Department of Higher Education - West Bengal

40754348 bids are invited for acid digestion fume hood cum clean bench , type e long cell 12mm, quartz , ro cartridge and housing assembly for deionized water unit , e beam evaporation system , rectangular heating mantle , customized sensing setup , ppl lined hydrothermal autoclave reactor total quantity : 8...

Department of Higher Education - West Bengal

40706684 bids are invited for laboratory furniture fume hood with blower , modular laboratory furniture , chemical storage cabinet , emergency eyewash and safety shower station , pp sinks total quantity : 9...

Department of Higher Education - West Bengal

40632289 bids are invited for integrated gas line workbench for laboratory island laboratory workbench , wall laboratory workstation wet lab , island laboratory workstation instrument lab , wall laboratory workstation instrument lab , glass shutter over head cabinet , anti vibration workbench , open rack lab counter , chemical cabinet in gi construction , fume hood dimension , blower , pp frp ducting , glass shutter full height cabinet , slotted angle rack , demonstration table , revolving executive chair , internal electrical connection , internal water pipeline connection , fabrication of aluminum partition , gas lining and flow controller for bet instrument. , gas lining and flow controller for chemisorption instrument. , gas lining and flow controller for tga ms instrument. , gas lining and flow controller for gas chromatography mass spectrometry instrument. , gas lining and accessories for fume hood and gas lining , gas lining and fume hood dismantling, repair and reinstallation total quantity : 1690...

Department Of Health And Family Welfare - West Bengal

40553834 bids are invited for hot lab items for high dose iodine therapy dose calibrator with shielding rings with 45mm pb , 7mm lead lined foot operated dustbin , 6cm thick lead bricks set including corners , l bench shield for iodine therapy with 10mm pb shielding with lead glass window , decontamination kit pb shielding 6mm , shielded syringe carrier for iodine pb shielding 6mm all around, 12mm on the 2 lateral edges , long tools capper, decapper, forceps and grip tongs , long tongs , long forcep , syringe shield perpex and lead , survey meter suitable for iodine tbm ic , personal dosemeter , lead apron , lead goggles , lead vial shield for dose dispensing with 12mm shielding , lead lined foot operated waste bin iodine pb shielding 6mm , lead lined fume hood iodine with amca certified and ce marked fans , bedside mobile barrier iodine therapy , area gamma monitor , lead lined storage cabinet iodine , an ionization chamber based survey meter , well counter for sewage analysis and discharge , test tubes pipettes and tips , shielded infusion pump , lead lined decay drum for iodine large size for putting urine bag pb shielding 6mm , tungsten syringe shield with lead glass window with 9mm shielding and turn lock total quantity : 132...

Department of Higher Education - West Bengal

40343035 bids are invited for fume hood and lab furniture laboratory fumehood with blower and all required accessories , computer table , instrument bench wall bench , centre working bench island bench , wall mounted storage cabinet , small revolving chairs for bench work , office chairs for students sitting total quantity : 17...

Balmer Lawrie And Co Limited - West Bengal

39117298 tender for annual maintenance contract of laboratory instruments at arl kolkata grease penetrometer (with timer & cone) [astm d 217] heating mantle (1 lit) [1 hole] hot air oven fume hood/acid fume chamber hot plate dropping point apparatus [astm d 2265] with heater dropping point apparatus [astm d 566] with heater wheel bearing leakage tester [astm d 1263] oxidation stability test apparatus [astm d 942] oxidation bomb magnetic stirrer water bath roll stability [astm d 1831] water washout tester [astm d 1264] water spray off tester [astm d 4049] heating mantle series (6 columns) emcor rust tester [ip220/astm d 6138] low temperature torque tester [astm d 1478] etc.,...

Department of Higher Education - West Bengal

38719967 supply of instruments at p. r. thakur govt. college () supply of laboratory instruments for different departments of p.r. thakur govt. college, thakurnagar, gaighata, north 24 parganas, pin 743287 , department of chemistry laboratory instruments , dsd (double stage demineraliser) for distilled water with iron guard specification: 1. two cation exchanger resins and two anion exchanger resins 2. output 200 ltr./hour 3. conducting < 1microsiemens/cm,4. ph= 7.05. with iron guard make: zeolite , oil free vacuum pump with filtration assembly specification: 1. power (v/ hz):220 / 50 2. maxpowe (w):80 3. max vacuum (mm/hg): 670 4. max flow rate (i/min): 34 5. motor rotation (rpm): 1450 6. horse power hp: 1/6 7. net wt. kg:5.2 8. port thread:5 /16 9. noise level db:5210. filtration assembly make: tarson/remi/borosil , digital fume hood specification: outer body made with mild steel powder coating to avoid dust & rust. inner chamber made with polypropylene sheet as it is acid resistant model. inner work chamber with black granite top to avoid spillage & corrosion. internal fluoresce light for clear view of the inner work table. front door up – down with counter balanced weight & toughened glass to avoid acid fumes. size: inner chamber (work table) : 2x2x2ftdigital model. microprocessor based pid controller to digitally control the motor blower speed & fluoresce light on –off for longevity of your valuable product. 1140 rpm ge model with anti corrosion coating. front door moves vertically up down with concealed counter balanced weights. product ce certified, iso 9001:2015, gmp, msmemart standard model. lower base cabinet is mainly used for to store the chemicals, acids, essential documents & other job related items. top or sade is exhaust hood with pvc pipe. power : 220 – 230v, 50 – 60 hz standard parts – 1. motor blower 2. illumination, 3. gas inlet nozzle 4. water basin & water tap 5. power socket, ducting. make: ur biocoction , visible spectrophotometer specification: 1. wavelength range: 340 960 nm 2. wavelength accuracy: ±5nm 3. wavelength readout: 5nm 4. wavelength display: dial 5.spectral bandwidth: 10nm 6. photometric accuracy: ±0.005abs at 1.000 abs 7. photometric resolution: 0.1%t, 0.001 abs 8. photometric readout: 4 digit seven segment led 9. grating: 600 lines/mm 10. source: tungsten halogen lamp 11. detector: wide range silicon photodiode 12. sample holder: single position 10 mm cuvette holder’ 13. min. sample volume: 1ml in 4 ml cuvette 14. measuring mode: manual (a) % transmittance (b) absorbance (c) concentration 15. power: 230 v± 10%, 50 hz 16. dimension : 420mm (w) x 310 mm (d) x 125 mm (h) 17. weight: 6.5 kgwith cuvette (pair) make: systronics, ei , colourimeter specification: 1. wavelength range: 400 700nm with 8 optical filters 2. filter’s peak wavelength: 420, 440, 490, 520, 540, 570, 600, 700 nm 3. measuring modes: %t, abs, conc & k factor and continuous wavelength measurement 4. photometric resolution: 0.1% t, 0.001 abs upto 1.999 abs(o.d.) 5. display: 2 line 16 charcter led 6. k factor range: 0 1999 7. concentration: 102 times the absorbance 8. memory: data can be stored in memory 9. sample volume: 1 ml in 4 ml test tube/ cuvette 10. source: white led 11. detector: hermetically sealed photodiode 12. printer port: epson compatible 80 coloumn d.m. printer 13. power: 230 v± 10% 50 hz 14. dimension: 160mm (w) x 200 mm (d) x 100 mm (h) 15. weight: 1.5 kg (approx.) 16. accessories: (a) four test tubes (b) two glass cuvettes like etc. make: systronics, ei , digital ph meter specification: 1. ph range: 0 14 ph 2. millivolt range: 0 to ±1999mv 3.slope correction: 85% to 115% 4. resolution: 0.01ph, 1mv in mv mode 5. repeatability: ±0.01ph±1 digit for ph; ±1mv ±1 digit for mv 6. standardization range: ±1ph 7. temperature compensation: 0 1000c dig. display (manual) 8. display: 31/2 digit red led seven segment with automatic polarity and decimal point 9. power: 230 v± 10% 50 hz 10. dimensions: 235(w) x 185(d) x 85 (h) mm 11. weight: 1.25 kg (approx.) 12. accessories: combined electrode, stand & clamp make: systronics, ei , vacuum desiccator specification: 1. type: desiccator; sub type: vacuum 2. material: premium plastic/ polycarbonate 3. dia: 200 mm make: polylab, tarson , magnetic stirrer with hot plate specification: 1. max speed: 1200 rpm 2. display: digital 3. stirring capacity: 2l 4. heating capacity: 300 watt 5. external dimensions: 200 x 225 x 185 mm 6. paddle dimension: 9 x 35 mm like etc. make:remi, tarson , magnetic stirrer with hot plate specification: 1. max speed: 1200 rpm2. max. stirring quantity (water)(liters) : 5 ltr 2. stirring paddle (ptfe coated) :length: 13 x 50 mm 3. dimensions (w x h x d) (mm) : 200 x 225 x 185 mm 4. power : 500 watts make:remi, tarson , magnet bar of different sizes specification: 1. length: 8x14 mm, 8x30 mm and 8x50 mm2. teflon coating make: tarson/ remi , calorimeter specification: 1. teak wood body inside woolen faltto procted heat of coper waterpot. 2. one electric conection for heating of water inside the pot fixed with stylus. 3.one bakelite cover is on top of the pot . 4.one thermometer allowed to measure the temperature inside the water and onethermometer holder is on the top of the wooden cabinet5. compatible adapter for the calorimeter make: sensia , refrigerator specification: 1. double door, 240 lt. 2. frost free3. make: like samsung, whirlpool, lg make:samsung/whirlpool/lg , refrigerator stand specification: iron stand with wheel for 240 lt capacity refrigerator make: reputed brand , compatible adapter for the calorimeter make: reputed brand , calibrated weighing box specification: 1. package type: wooden box2. weight range: 10 mg to 50 gm3. stainless steel made weight make: k roy , distill water storage tank specification: 1. pvc made2. 50 lit capacity 3. with tap make: tarson/ polylab , distill water storage tank specification: 1. pvc made2. 50 lit capacity 3. without tap make: tarson/ polylab , department of geography laboratory instruments , prismatic compass 5 dia brass body with folding tripod metalic standpremium quality make: micro teknik/otto international/royal scientific works , dumpy level 12 with mixed metalic body packed in fibre box with carring belt and folding tripod metalic stand premium quality make: globetrek engineering corporation/porr & sons (p) ltd./subitek , levelling staff 4 meter long , 4 fold, alluminium, both side scaling in a ptfe basedcarrying case or nylon packing make:globetrek engineering corporation/porr & sons (p) ltd./subitek , measuring tape 30 meter in round fibre glass case make: freeman , ranging rod 1 metre long 2 pcs in a set , bicolour painting red and white , made of metalic pipe one side conical make:globetrek engineering corporation/porr & sons (p) ltd./subitek , full brass plumb bob in 350 gram with good brass polished color : golden size 3 inches long, premium quality make:globetrek engineering corporation/porr & sons (p) ltd./subitek , wooden tracing table glass cover with electric point make: reputed brand , hand held gps : dimension 1.2×2×4.4inches(3×5.1×11.2c.m) item weight : 155.93grams, screen size : 2.14inhes(5.4c.m)waas enabled gps receiver, features : a 1.7 inchh × 1.3 inchw screen with 256 level color tft, battery life : 14hours, batteries : 2 aa special feature : rugged case connectivity technology : usb,memory storage : 24mb of internal memory allows to load waypoints & routes from the included mapsource trip & waypoint manager software make: garmin/lowrance/ flir/furuno/raymarine , wet and dry bulb hygrometer :mason type wet and dry hygrometer used to compute relative humidity, divisions & figures printed on aluminum scale mounted inside plastic casing with water bottle & wick make: maxon engineers/samruddhi industries/care process instruments , department of microbiology laboratory instruments , electrophoresis horizontal mini apparatus specification: gel run0610 7 x8 cm gel, rapid cast gel tray with two combs slots , include two combs, 6 & 10 teeth, width 1.5 mm, red electrode with platinum wire, black electrode with platinum wire , electrophoresis power supply ( 2 terminal output) 50v & 100v with dc output) make: tarson/biotech , uv transilluminator with filter specification: filter: uv block quartz,source wave length: 312nm fixed/ dual intensity, detection limit : 0.1 ngm. of stained dna, filter area : 20×20 cms, intensity control, cooling fan, safety switch, uv protection shield make: biotech , refrigerated centrifuge with voltage stabilizer and other accessories (angle head) specification: max. speed range: 16000 rpm, max. rcf 16600 g, max. tube size 5 ml, min. temperature 8 deg c, precise temperature control up to – 8°c, supply 220 240 volts 50 hz single phase, stable speed output, pre cooling feature, fast spin feature, calibration window on lid for speed (rpm), brushless induction motor with variable frequency drive ensures gentle start, microprocessor based unit with alpha numeric lcd display, self diagnosis of errors, parameters setting through easy to use bi directional encoder, inverter fault detection with auto shutdown, cfc free refrigeration system, 24 programme memory, 3 accelerations, 4 deceleration profiles, choice of rpm / rcf setting & display, operating panel with feather touch keys, digital countdown timer 0 99 minutes & continuous run, last set parameters recall (useful for repetitive analysis), automatic rotor identification, safety lid interlock to prevent lid opening during centrifugation, imbalance detection & centrifugation stop with display of error, motor overload protection, gas hinge to prevent falling of door, emergency lid lock release, 10 x 2ml angle head with glasstubes, 24 x 1.5ml angle head with microtubes, 8 x 5 ml angle head withpolycarbonatetubes make: remi , centrifuge mini specification: 6 places rotor for 1.5 ml tube, min speed 500,max. speed: 14000rpm make: tarson/himedia/remi/sigma aldrich , digital balance specification: capacity: 320g (max.), 1mg (min.). readability: 0.0001g. repeatablity:± 0.0001g. linearity:± 0.0003g. motorized internal callibration. led display. response time: 4 6sec. tare range: full. data output mode selection: command & continuas output. key sound. ineterface: rs232c. verification scale intervals: 1mg. power supply: ac 220v/ 50 60 hz. unit: g, oz,ct, lb,ozt. make: wensar , department of physiology laboratory instruments , student compound microscope with 10x, 40x, 100x and oil immersion objective lens specification: body monocular die cast body, inclinable upto a horizontal position (90°); focussing by coarse & fine focusing knobs; eyepieces huygenian 10x and 15x; objectives hard anti reflection coated, colour coded parfocal achromatic 10x, 40x, 100x, oil immersion; condensor built in substage condenser with iris diaphragm. make: reputed brand , kymograph full set up for nerve muscle experiment specification: sherrington starling kymograph e 8 myograph stand inductorium simple key short circuiting key pohls commutator vibrating interrupter muscle trough muscle lever muscle grip of femur clamp hook and weight set heart lever (simple &starling) frog board for dissection enamel tray frog board cork lined with boss head low voltage unit for tapping 2 and 4 volts for stimulation electromagnetic time marker tuning fork time marker 100/sec electrodes x blocks make: inco , kymograph full set up for perfusion specification: electrical e 8 sherrington kymograph student electronic stimulator drum paper clip, die pressed; spring action| nerve muscle chamber with cork base. starling heart lever adjustable stand. standard x block open sided x block n 100 tuning fork. simple contact key with silver contacts simple electrode muscle grip. frog heart clips. 20 cm. capillary lever arm with writing point. two unit thermostatic organ bath 3 1 19500.00 crank myograph with lever attachment. dubois reymond induction coil stainless steel with power supply. hook & wt. set 110 gms. hook & wt. set 11 gms. kymograph paper roll, one side coated 40 meters x 15 cm. wide make: inco , pneumograph complete set up specification: stethograph. length 25cm. mareys tambour : stainless steel capillary lever, 22 mm. dia. adjustable stand. standard x block, machined from solid brass perspex ink pen, will fit any lever & convert it to ink writing lever. ink ½ ml. e 8 student kymograph (digital) and rubber tube 2 mtr. make: inco , dales apparatus full set up specification: two unit thermostatic organ bath. lbh 11.5” x 9” x 8” organ tube for two unit bath with side tube aeration tube / oxygen tube without platinum tip spiral tube for organ bath / warming coil. horizontal miniature aerator heating unit (element) for two unit thermostatic bath.250 watt thermometer.0 100*c make: inco , body composition analyser make: reputed brand , permanent stained sections of different mammalian tissues– bone, cartilage, trachea, lungs, spleen, lymph gland, esophagus, stomach, duodenum, ileum, jejunum, large intestine, liver, kidney, ureter, salivary glands – parotid, sublingual & submaxillary, pancreas, adrenal gland, thyroid gland, testes, ovary, spinal cord, cerebral cortex, cerebellum, skin, cardiac muscle, skeletal muscle, smooth muscle, artery, vein, tongue, uterus make: biocraft , department of zoology laboratory instruments , all quartz double distillation unit with distillation apparatus power supply (daps): specification: 1. the unit should consist of primary boiler with built in heater.the primary boiler should have a ‘o’ ring groove at the top on which a silicone ‘o’ ring sits. 2. the secondary boiler with condenser is to be mounted on the primary boiler. a double wall condenser ensures separate condensation of vapor coming from the two boilers using a single cooling circuit. 3. the whole unit should be mounted on powder coated stand with electrical terminals for easy connection either to the mains or daps (distillation apparatus power supply). 4. the bottom outlet should be connected to a ‘t’ joint of which limb is connected by a rubber tubing & pinch cock for cleaning sediments in primary boiler by acid wash and other limb to the water leveller of ‘daps’. 5. dist. water output cap approx) (ltr/hr): 1.5 6. minimum cooling water requirement (ltr/ min): 1 7. total power consumed (kw): 3 8. conductivity (s/ cm): <1 x 10 6 9. voltage (v): 230 250 v 10. biological activity: pyrogen free 11. boiler: quartz 12. condenser: quartz 13. distillation apparatus power supply (daps) suitable for 1.5 lt/hr ddu make: borosil , water softner for boiler feed of double distillation unit: specification: 1. the softner should contains imported, specially made resin, which prevents accumulation of calcium and magnesium salts. 2. the raw water/bore well water is passed through the inlet of the softner and the treated water comes through the outlet. then the same can be fed into the distiller for better results of the distillation. 3. the softner has to be recharged when the resin exhausts by means of using sodium chloride solution. 4. softener tank:type vertical 5. material: resin make: riviera , magnetic hot plate stirrer: specification: 1. stirring position: one 2. max capacity: 2 l 3. temperature range ambient +5°c to 300°c 4. temperature accuracy ±1°c 5. temperature control pid and digital energy regulator mode 6. supplied with external & internal probe pt 100 7. heater capacity 300 wattage 8. speed range 200 to 1500 rpm 9. set up plate diameter 150 x 150 mm 10. set up plate ss top plate 11. dimensions (l x w x h) (260 x 190 x 155) mm 12. protection class ip21 make: riviera , manual sphignomanometer with stethoscope: specification: 1. it should consists of the aneroid gauge and an inflatable cuff to apply a mechanism for inflation through manually operated bulb and valve to measure systolic and diastolic bp. 2. large dial with air release valve: its large dial allows quick and easy readings even in dim light conditions. the device should has a single tube pvc bladder for an efficient air release. 3. the device should attains clinical accuracy of +_ 3mmhg with a certified 300 mmhg no pin stop manometer. 4. the manometer also should have a clip so that it can be attached to the cuff to prevent hassle. on the other hand, chrome plated brass screw type valve ensures precise deflation control rate without calibration errors. 5. the set should contain a premium quality single head stethoscope and a carry pouch are included within the kit. make:, dr. morphen , vortex mixer with round disc and micro centrifuge tube adaptor: specification: max rpm: 2800 orbital diameter mm: 4.0 motor type:ac synchronous digital display: no max load capacity gm: 500 press activation: 3 way switch speed setting: yes time setting:no dimensions (w x d x h) in mm: 205 x 136 x 138.5 power supply: 220 vac power consumption: 20 w weight: 3 kg adapter: round disc adapter & micro centrifuge tube adapter make: riviera , global positioning system machine: specifications: 1. physical dimensions: 2.5 x 6.4 x 1.4 (6.2 x 16.3 x 3.5 cm) 2. display size: 1.5w x 2.5h (3.8 x 6.3 cm); 3 diag (7.6 cm) 3. display resolution: 240 x 400 pixels 4. display type: transflective color tft 5. weight: 8.1 oz (230 g) with batteries 6. battery type: rechargeable, internal lithium ion 7. battery life: up to 36 hours; up to 450 hours in expedition mode 8. water rating: ipx7 9. mil std 810: (thermal, shock, water) 10. interface: high speed micro usb and nmea 0183 compatible 11. memory/history: 16 gb make: garmin , digital compact camera: specifications: type: compact digital camera image sensor: cmos effective pixels (megapixels): 16.0 million sensor size: 1/2.3 in. total pixels: 16.79 million lens: 125x optical zoom nikkor ed glass lens lens focal length: 4.3 539mm (angle of view equivalent to that of 24 3,000mm lens in 35mm [135] format) lens f/ number: f/2.8 8 focus range [w]: approx. 30 cm (1 ft.) to infinity [t]: approx. 7.0 m (23 ft.) to infinity macro close up mode: approx. 1 cm (0.4 in.) (wide angle position), approx. 7.0 m (23 ft.) (telephoto position) (all distances measured from center of front surface of lens) vr (vibration reduction) image stabilization: lens shift vr (still pictures) lens shift and electronic vr (movies) storage media: sd/sdhc/sdxc memory card highest iso sensitivity: 6400 lowest iso sensitivity: 100 iso sensitivity iso: 100 1600 iso 3200, 6400 image size (pixels) 4608 x 3456 storage file formats: still pictures: jpeg, raw (nrw) (nikon’s own format) movies: mp4 (video: h.264/mpeg 4 avc, audio: aac stereo) movie 4k uhd 3,840x2,160/ 30p 4k uhd 3,840x2,160/ 25p full hd: 1920x1080/ 60p full hd: 1920x1080/ 50p full hd: 1920x1080/ 30p full hd: 1920x1080/ 25p hd: 1280x720/ 60p hd: 1280x720/ 50p hd: 1280x720/ 30p hd: 1280x720/ 25p hs 640x480/ 4x hs 1920x1080/ 0.5x hs 1280x720/ 2x shutter speed: 1/4000 1 sec. 1/4000 30 sec. (when iso sensitivity is 100 in m mode) at wide angle position, with largest f number setting (smallest aperture) bulb and time setting (can be set when iso sensitivity is 100 in m mode): up to 60 seconds 1/8000 1/30 sec. (when recording movies) shutter: mechanical and cmos electronic shutter make: nikon , metal waterproof military compass for directions : specifications: weight: ?200 grams material type: ?metal size: ?8 x 6.5 x 3 cm features: ?high strength engineering metal body, rugged and capable of working under extreme weather condition. make: any reputed brand , field binocular: specifications: binocular type: porro prism type magnification: 10x effective diameter of objective lens: 50mm diameter of exit pupil: 5.0 mm actual field of view: 6.5 degree apparent field of view: 65.0 degree field of view: at 1000 m 114 m relative brightness: 25 eye relief: 12 mm diopter adjustment range: over ± 2 m 1 eye interval adjustment range: 60 70mm closest focusing distance: 6 m weight: 855 g dimensions: 191 mm (w) x 178 mm (h) x 63 mm (d) lens composition: 5 elements in 3 groups coating: monolayer coating make:olympus , field binocular: specifications: binocular type: porro prism type magnification: 8x effective diameter of objective lens: 21mm diameter of exit pupil: 2.6mm actual field of view: 6.4 degree apparent field of view: 51.2 degree field of view: at 1000m 112m relative brightness: 6.9 eye relief: 11.0mm diopter adjustment range over: ±2m 1 eye interval adjustment range: 60 to 70mm closest focusing distance: 2.2m weight: 170g width (at maximum eye interval:) 107mm length: 82mm thickness (at maximum eye interval): 41mm lens composition: 4 groups, 6 elements coating single layer coating make :olympus , microplate reader: specifications: • accommodates different microplate geometries • plate shaking facility with variable speed and duration • ability to read plate within seconds • digital light control with unique circuit for long lamp life • matrix mode for result printing • multiple blank setting in cut off mode • storage of calibration curves • storage of plate results • bichromatic readings • various curve fit mode like: linear, p0int to point with scales such as log abs/ conc, logit abs/ log conc, abs/ conc, log abs/ log conc etc. optical system: linear measurement range : 0.000 to 3.500 absorbance units(a) photometric accuracy: + 2% or 0.007 whichever is higher, from 0 to 1.5 a, + 3% from 1.5 a to 3.5 a optical measurement: 8 channel; drift: <0.005 a/hr filters: type ol filter : high quality narrow band interference wave length : 405, 450, 492, 630 nm & four optional half bandwidth : 10 nm + 2 nm selection : automatic by stepper motor display: human machine interface : touch panel/ keypad, 6” graphics lcd memory: battery back up : 250 tests results : 2500 patient results; printer : 0n board thermal 52 columns, maintenance free power: wattage : 100 va; voltage : 115 —230 volts + 10%, 50 — 60 hz computer interface rs232 serial port : 9600 baud, 8 data, 1 stop, no parity bits usb curve plotting : graphical representation on printer plate carrier movement : precisely through the stopper motor dimensions in mm (lxbxh): 405 x 380 x 280 (approx) weight : 10 kgs. (approx) analysis modes : absorbance (normal & differential), cut off, multi standard, % absorbance, single standard, uptake, kinetic make: robonik , bench top ph meter: specifications: 1. dual display standard bench ph range: 0.002 14.00 ph resolution: 0.01ph ph accuracy: + 0.01ph ph calibration points: upto 3 temp range: 0 100 degree c temp resolution: 0.1 degree c temp accuracy + 0.3degree c temp compensation atc/mtc (0 100 degree c power requirement: 9vdc adapter, 500ma (220vac) dimention: 23x18x6 cm weight: 570g make: eutech , department of physics laboratory instruments , to investigate the motion of coupled oscillators to investigate the motion of coupled oscillators (stand type) complete set any iso certified reputed brand , to determine the wavelength of sodium source using michelson’s interferometer. specification: must be consists of beam splitter and compensator plates mounted in an aluminum housing. least count 0.01mm. must be consist of reading telescope of magnification 3x, fitted with ramsdens eyepiece & cross line graticule. 20 x objectives with work with he ne laser or diode laser. •sodium lamp house with power supply •power supply unit •diode laser holding stand (on retort stand base metal) diode laser 5mw •power supply unit • diode laser holding stand (on retort stand base metal) any iso certified reputed brand , measuring unknown temperature using a diode sensor. specification: the single board trainer helps to study temperature sensor using diode. the setup consists of i) a constant current source. ii) digital temperature indicator with sensor. iii) small heating arrangement. iv) op.amp. based signal processor / amplifier. v) digital voltmeter . vi) sensor : pn junction diode any iso certified reputed brand , to show the tunneling effect in tunnel diode using i v characteristics specification: d c power supply:0 12v/500ma. variable d c power supply with short circuit protection. digital meters:digital voltmeter 2v/20v digital ammeter 0 200 ma. all digital meter accuracy =1%, dual range, 3½ digit 7 segment (green display) load resistance:variable load resistance. diode: tunnel diode. set of patch chords & manual any iso certified reputed brand , to study time division multiplexing (tdm) 1. power supply requirement: 230v ac, 50 hz. 2. built in ic based power supply +5v, 5v dc. 3. size (hxwxd) 4x12x8 inch’’ weight 2kg (approx). 4. 2mm socket are provide on the surface of acrylic sheet to measure voltage & waveform. 5.must provide enough safety precautions from electrical shocks. 6. complete assembly/pcb covered in wooden box. 7. on board sine wave generator 4 i)250hz ii)500hz iii) 1khz iv) 2khz 8. on board clock generator 1 i)150khz 9. on board, multiplexer. 10. on board demultiplexer 11.on board low pass filter, 12. all parts are soldered on single pcb with complete block diagram screen printed. standard accessories: a training manual. connecting patch cords. list of experiments 1. to study of tdm modulation. 2. to calculate tdm for varies amplitude. 3. to detect tdm modulation. any iso certified reputed brand , 6 to study ask, psk and fsk modulators ask modulation & demodulation trainer the single board trainer helps to studies ask modulation & demodulation technique. the trainer consists of i) square wave signal source: variable frequency [ 100 hz – 700 hz ] ii) sine wave carrier generator: variable frequency [ 10 khz – 100 khz ] iii) modulator using transistor iv) demodulator additional accessory required: # dual trace oscilloscope microtech industries , inco, pisco,osaw 1. fsk modulation and demodulation trainer the single board helps to studies fsk modulation & demodulation. the trainer consists of i) signal source: variable frequency [ 20 hz – 1khz ] and amplitude [ 10v max ] ii) modulator section with carrier frequency generator using xr2206 iii) demodulator section using i.c 565. additional accessory required: # dual trace oscilloscope 2. psk modulator & demodulator trainer the single board trainer helps to studies phase shift keying modulation & demodulation. the trainer consists of i) sine wave carrier generator: frequency 33 khz ii) data generator iii) psk modulator iv) psk demodulator additional accessory required: # dual trace oscilloscope any iso certified reputed brand , to study am transmitter and receiver a. m.modulation & demodulation trainer[ i.c based] the single board trainer with in built i.c. regulated dual channel power supply helps to construct modulator using operational transconductance amplifier & to demonstrate how signal can be added to a carrier & observe the amplitude modulated waveforms & check the percentage of modulation. in the same trainer it also demonstrates how signal can be recovered from an amplitude modulated carrier by demodulator. the trainer consists of i) carrier frequency generator : variable frequency [ 9khz – 80 khz ] & amplitude [ 4v max ] ii) signal frequency generator : variable frequency [ 100 hz – 1 khz ]& amplitude [ 10 v max ] iii) modulator using operational transconductanceamplifier iv) demodulator using diode detector. any iso certified reputed brand , to design an amplitude modulator using transistor a. m.modulation&demodulationtrainer [ transistor based] the single board trainer with in built i.c. regulated dual channel power supply helps to construct modulator using transistor amplifier & to demonstrate how signal can be added to a carrier & observe the amplitude modulated waveforms & check the percentage of modulation. in the same trainer it also demonstrates how signal can be recovered from an amplitude modulated carrier by demodulator. the trainer consists of i) fixed carrier frequency : 83 khz , 2 v pp. ii) high frequency transistor bf494b 2 nos. iii) air core outputtransformer iv) set of resistance v) set of capacitor additional accessories required: # dual trace oscilloscope # signal generator any iso certified reputed brand , to study fm transmitter and receiver frequency modulation & demodulation trainer the single board trainer with inbuilt i.c regulated power supply helps to construct modulator & to demonstrate how signal can be added to a carrier & observe the frequency modulated waveform & measure the frequency deviation. the demodulation part helps to demonstrate how signal can be recovered from a frequency modulated carrier by using pll demodulator. the trainer consists of (a) modulator using xr2206 with carrier wave generator [ 45 khz] (b) demodulator using i.c 565 (c) signal frequency generator : variable frequency [ 100 hz – 1 khz ]& amplitude [ 4.6 v max additional accessory required: # dual trace oscilloscope any iso certified reputed brand , to study the characteristics of a ferroelectric crystal oven with digit temp controller and temperature meter digit volt meter ac power supply: ht power supply (5000volt) built in the app. facility to connect cro provided on the front of the panel. arrangement of sample holder with temperature facility given on the top of the panel. 5 nos. of capacitor to control the pe hysteresis curve, which are internally connected and controlled by the selector switch as given on the top of the panel. test sample pzt/tgs also provided with the apps. control circuit also engraved on lower top panel of the unit. sample type: 1.pzt 2.tgs instruction manual. connections are brought out through 4mm bt15 terminals. any iso certified reputed brand , to draw the bh curve of fe using solenoid & determine energy loss from hysteresis. hysterisis loop tracer complete with scope of learning: coercivity and retentivity and saturation magnetization, various magnetic phase identification, hysteresisloss •technical specifications: 3.5 digit digital gauss meter ac power supply: a step down transformer on board. one solenoid coil one search coil. output brought out through bnc connectors. type different types of controls through 10 turn potentiometer length of sample 39mm, diameter of sample 1mm (approx) sample type: soft iron nickle hard steel salient features: front panel built with high class insulated printed circuit board sheet with well printed circuits andsymbols. instruction manual. connections are brought out through 4mm bt15 terminals. optional accessories: cro any iso certified reputed brand , : to measure the resistivity of a semiconductor (ge) with temperature by reverse bias characteristics of ge diode (room temperature to 80 degrees centigrade) and to determine its band gapto measure the resistivity of a semiconductor (ge) with temperature by reverse bias characteristics of ge diode (room temperature to 200°c) and to determine its band gap. complete with scope of learning: band gap of semiconductor •technical specifications: • digital milli voltmeter 2v/20v • digital milli ammeter 20?a. all digital meter accuracy =1%, dual range, 3½ digit 7 segment (green display) • power supply: • constant current power supply 20ma • the experiment consists of the following: • oven with oven controller oven (up to 200ºc) • sample: ge diode mounted • output brought out through 4mm banana plugs. • front panel built with high class insulated printed circuit board sheet with well printed circuits and symbols. • instruction manual. • connections are brought out through 4mm bt15 terminals. • metal cabinet. any iso certified reputed brand , to study temperature coefficient of a semiconductor (ntc thermistor) specification:to determine the temperature coefficient of a semiconductor (ntc thermistor) thermistortrainer: the single board trainer with steel case and integral power supply helps to study the characteristics of the thermstor and calculate temperature coefficient of a semiconductor (ntc thermistor)..the trainer consists of the following specifications: 1. transducer :thermstor( ntc type ) 2. temperature bath :temperature control bath. 3.temperature range :ambient temperature to 100degree centigrade. 4. output :measured by digital meter 5. temperature indicator:digital 3 ½ digit any iso certified reputed brand , to verify the law of malus for plane polarized light. to verify law of malus for plane polarized light malus law verification in this experiment, malus law of polarization is verified by showing that the intensity of light passed through two polarizers depend on the square of cosine value of the angle between the two polarizer axis. ... the transmitted light is measured by a photo detector and the malus law can be verified. any iso certified reputed brand , to verify the stefan`s law of radiation and to determine stefan’s constant determination of stefan constant & verification of stefan boltzmann law (4th power law) 1.copper black body radiator 2.digital temperature indicator 3.dc regulated power supply 0 10v/3a. 4, digital voltmeter 0 20v 5.digital current meter 0 20a. any iso certified reputed brand , to study the polarization of light by reflection and determine the polarizing angle for air glass interface. to study the polarization of light by reflection and determine the polarizing angle for air glass interface. complete with scope of learning: polarization of light using half wave plate experiment optical bench rail type 1mtr. length diode laser with power supply analyzer polarizer photo detector glass & acrylic plate with holder. air glass mounted on hurtle disc instruction manual. patch cords 4mm. light source to be suuplied: diode laser 5mw any iso certified reputed brand , to determine the refractive index of (1) glass and (2) a liquid by total internal reflection using a gaussian eyepiece to determine the refractive index of (1) glass and (2) a liquid by total internal reflection using a gaussian eyepiece complete with spectrometer with standard spectrometer source of light sodium vapor lamp with transformer gaussian eyepiece any iso certified reputed brand , to determine the refractive index of liquid by total internal reflection using wollaston’s air film. to determine the refractive index of liquid by total internal reflection using wollaston’s airfilm. spectrometer with extended colimeter (devco), source of light sodium vapour lamp with transformer air film glass container for the experimental liquid. all setup for setting air film & liquid glass container any iso certified reputed brand , to study the reflection, refraction of microwaves complete set. any iso certified reputed brand , trainer kit logic switch: specification:8 nos. logic input, 8 nos. logic output with led indicator. dc supply:5v/1a volt(fixed), ± 12v/1a volt(fixed) . clock pulse generator: 1hz, 10hz, 100hz, 1khz, 10khz, with ttl & triggering single pulse output. in built digital meters: digital voltmeter (dual range 20v) 1nos bread board:1nos bread any iso certified reputed brand , to design a switch (not gate) using transistor logic trainer [ discrete components]: the single board trainer helps to studies and, or, notgates using discrete components. also study the transistor act as switch. the setup consists of i) built ini.c. regulated power supply + 5 v @ 250 ma power supply, ii) logic inputs: 2 nos. iii) logic output indicators : 1 no. iv) oroperation usingdiodes and resistance. v) and operation using diodes and resistance. vi) not operation using transistor and resistances. any iso certified reputed brand make , multivibrators trainer using 555 multivibrator ( i .c 555) trainer the single board trainer helps to study the monostable, astable & bistable multivibrator using 555 timer ic. the set up consists of i) i.c regulated power supply +12 v@250 ma ii) set of resistance iii) set of capacitor iv) variable resistance v) set switch vi) reset switch vii) timer i.c. lm 555 i) output led indicator. ii) connecting wire additional accessory required: # oscilloscope any iso certified reputed brand , op amp characteristics trainer kit op. amp. characteristics trainer the single board trainer helps to study the following experiments: (a) determination of input offset voltage, (b) determination of input offset current (c) determination ofinput bias current. (d) cmrr (e) slew rate the set up consists of i) i.c. regulated power supply +12 v & 12 v@250 ma ii) set of resistance iii) op. amp. lm741 iv) digital voltmeter 0 – 20v v) set of connecting jack any iso certified reputed brand make , zero crossing detector and comparator trainer zero crossing detector & comparator trainer the single board trainer helps to studies i)to design and setup a zero crossing detector circuit with op amp 741c and plot the waveforms. ii)to design and setup a comparatorcircuit with op amp 741c and plot the waveforms the trainer kit contains i) i.c regulated power supply +12 v & 12v @250 ma ii) set of resistance iii) op. amp. i.c lm741 iv) variable sine wave generator. v)connecting jack additional accessory required : dual channel oscilloscope. any iso certified reputed brand make , schmitt trigger amplifier using op amp trainer schmitt trigger trainer the single board trainer helps to study schmitt trigger action of an op.amp. and measurement of upper tripp point and lower tripp point. the trainer kit contains i) i.c regulatedpower supply : + / 12 v @250 ma ii) set of resistance iii) 2 nos. diode 1n 4148 iv) op. amp. lm 741 v) connecting wire additional accessories required: # sine wave generator # oscilloscope any iso certified reputed brand make , p n/zener /led diode characteristics trainer kit 1. semiconductordiode ( characteristics )trainer the single board trainer helps to study the v – i characteristics of forward bias , reverse bias and calculation of impedance. the trainer consists of i) built ini.c. regulated variable power supply : 0 – 30 v @250 ma ii) one digital voltmeter [ dual range] 0 – 2v and 0 200 v iii) one digital milli ammeter [ dual range]0 – 20 ma and 2000 ua iii) germanium diode : oa79 / in34 iv) silicon diode 1n4007 v) zener diode 5.1 v , 1 w vi) led vii) adequate no. of jack. any iso certified reputed brand , photovoltaic solar cell characteristic experiment set solar cell trainer: the single board trainer helps to studies (1) illumination characteristics , (2) current voltage characteristics , (3) power load characteristics , (4) areal characteristics , (5) spectral characteristics , (6) distance vs . open circuit voltage , (7) distance vs. short circuit current . the trainer containsin built i.c. regulated variable power supply , digital voltmeter , digital milliammeter,resistance bank , solar cell , small optical bench with riders ,set of filters , set of light chopper , lamp, variable power supply for light intensity controlle any iso certified reputed brand , transistor characteristics trainer 2. 2. transistor [ce & cb] trainer the single board trainer helps to study input & output characteristics of transistor in ce & cb modes and determination of hybrid parameters. the trainer consists of i) dual channel i.c. regulated variable power supply 0 – 5v@100 ma and 0 – 12 v @250ma with coarse and fine voltage control faculties. ii) digital milliammeter 0 – 20 ma iii) digital microammeter 0 – 2000 ua iv) two voltmeters 0 – 20 v v) transistor cl 100 vi) connecting wire any iso certified reputed brand make , rc couple amplifier trainer rc coupled amplifier trainer the single board trainer helps to studies (a) a two stage r – c coupled amplifier. (b) the frequency response of the amplifier. (c) the effect of negative feedback on the performance of the amplifier. (d) bandwidth measurement with inbuilt i.c. regulated power supply. the trainer consists of: i) ic regulated power supply +12v@250 ma ii) set of resistance iii) set of capacitors iv) 2 nos. transistor : cl 100 or equivalent v) connecting wire additional accessories required: # sine wave generator (3 mhz) # oscilloscope any iso certified reputed brand , wein bridge oscillator wien bridge oscillator ( op. amp )trainer kit the single board trainer helps to construct & study the lead – lag network and wienbridge oscillator using op. amp. study the waveform of the oscillator and calibrating it using c.r.o. the trainer contains (i) i.c regulated power supply +12 v & 12 v @250 ma (ii) set of resistances, (iii) set of capacitor (iv) 2 nos. variable resistance (v) op.amp lm741 (vi)connecting wire additional accessories required: # dual trace oscilloscope # sine wave generator any iso certified reputed brand , adc and dac trainer kit digital to analog converter (dac) trainer the single board trainer helps to study the operation of digital to analog converter using dac 0808. the trainer contains i) ic regulated power supply +12v & 12v @250 ma ii)logic inputs : 8 nos. iii) digital voltmeter : 0 – 20 v , 3 ½ digit display. iv) dac 0808 i.c. v) lm 741 i.c. microtech industries , inco, pisco analog to digital converter (adc) trainer the single board trainer helps to study the operation of analog to digital converter using successive approximation type adc 0804. the trainer contains i) ic regulated power supply +5v @250 ma ii)i.c regulated variable power supply 0 – 5 v with fine control . iii) digital voltmeter : 0 – 20 v , 3 ½ digit display. iv) successive approximation type adc 0804. any iso certified reputed brand , phase shift oscillator using bjt rc phase shift oscillator trainer specification: the single board trainer helps to construct & measure the waveform and frequency of rc phase shift oscillator. the trainer contains (a) i.c regulated power supply +12v & 12v@250 ma (b) set of resistances, (c) set of capacitors (d) op.amp.741 (e) gain adjustment pot (f) connecting wire additional accessory required: # dual trace oscilloscope any iso certified reputed brand , collpitts oscillator using bjt specification: colpitt oscillator trainer the single board trainer helps to construct & measure the waveform and frequency of colpitt oscillator. the trainer contains (a) i.c regulated power supply + 12 v @250 ma (b) 2 nos. inductors (c)2 set variable capacitor for different oscillator frequency. (d) variable resistance (e) transistor bf494b (f) connecting wire additional accessory required: # dual trace oscilloscope any iso certified reputed brand , to study the various biasing configurations of bjt for normal class a operation specification: class a power amplifier trainer a single board trainer helps to study & determination of output power, frequencyresponse and efficiency of a class a power amplifier. the trainer contains : 1. i.c regulated power supply. 2. set of resistances, capacitors etc. 3. transistors. 4. output transformer. additional accessories required : • sine wave generator • dual trace oscilloscope any iso certified reputed brand...

Indian Association For Cultivation Of Science - West Bengal

38350543 tender for supplying, fitting and fixing of a steel laboratory granite top table (lab. no. m 153), replacing by new steel drawers of existing working bench (lab no. m 057, m 051, m 050), supplying, fitting and fixing of new steel shelf of existing working bench, changing the lower part of the existing fume hood (lab no. m 051), repair and repainting of shutter of existing working bench (lab. no. m 050) of main building, iacs...

Home And Hill Affairs Department - West Bengal

36238907 bids are invited for mini pathological laboratory equipment balance , uv vis spectrophotometer , vortex mixter , water bath , hot air oven , hot plate , fume hood , quartz cuvette , magnetic stirrer , bunsen burner , micro pipette , pipette tips , freezer , automated tissue processor , slide cabinet , binocular microscope , tissue floatation bath , tissue embedding processing cassette , container beaker , glass dropper , glass slides , cover slip glass , droppers plastic , container screw cap capsule bottle , borosilicate measuring cylinder , ph meter , centrifuge , l block total quantity : 14807...

Bankura University - West Bengal

34775655 procurement of equipments for the wbdstbt project titled “synthesis, characterization and biological studies of benzosultam / benzo d sulton tethered polycyclic heterocycles using pyrazole / pyrone / quinolone and indane 1, 3 dione scaffolds”. ( memo no: 1367 ( sanc. ) / stbt 11012 ( 25 ) / 45 / 2021 st sec ) . fume hood , oil free vacuum pump...

Council Of Scientific And Industrial Research - West Bengal

34589750 bids are invited for fume hood boq 5 feet standard floor standing model fume hood customized , solvent storage cabinets for 5 ft fume hood lower portion with customisation , acid storage cabinets for 5 ft fume hood lower portion with customisation , dedicated blower of suitable capacity , flexible arm spot extractor , ducting to the fume hood blower , wet scrubber , installation and integration total quantity : 9...

West Bengal Small Industries Development Corporation Limited - West Bengal

34149431 supply procurement of machineries, tools, equipments, furniture for the footwear and leather testing laboratory to be set up in tanning, training and service centre ( ttsc ) in calcutta leather complex. ( as per annexure a ) 1.01 analytical balance ( ref : annexure 1 ) 2 ph meter ( ref : annexure 2 ) 3 kjeldhal nitrogen estimation apparatus ( standard model ) 4 oven ( ref : annexure 3 ) 5 water bath ( ref : annexure 4 ) 6 soxhlet extractor ( ref : annexure 5 ) 7 muffle furnace ( ref : annexure 6 ) 8 gas chromatography with mass spectrometry detector ( gc ms ) ( ref : annexure 7 ) 9 uv visible spectrophotometer ( ref : annexure 8 ) 10 fourier transformation infrared spectrometer with attenuated total reflector ( ftir atr ) ( ref : annexure 9 ) 11 gas chromatography with electron capture detector ( gc ecd ) ( ref : annexure 10 ) 12 inductively coupled plasma mass spectrometry ( icp ms ) ( ref : annexure 11 ) 13 triple quadrupole liquid chromatography mass spectrometer ( lc msms ) ( ref : annexure 12 ) 14 high performance liquid chromatography with photodiode array detector ( hplc pda ) ( ref : annexure 13 ) 15 leather shrinkage tester ( ref : annexure 34, a ) 16 flexometer ( ref : annexure 34, b ) 17 penetrometer ( ref : annexure 34, c ) 18 water absorption tester ( ref : annexure 34, d ) 19 cutting machine ( ref : annexure 34, e ) 20 buffing machine ( ref : annexure 34, f ) 21 drilling press machine ( ref : annexure 34, g ) 22 heat activator ( ref : annexure 34, h ) 23 universal testing machine ( ref : annexure 34, i ) 24 moisture balance ( ref : annexure 44, j ) 25 shaking water bath ( ref : annexure 15, k ) 26 steam distillation ( ref : annexure 16 ) 27 hot plates ( ref : annexure 17 ) 28 rota vapour ( ref : annexure 18 ) 29 water circulator chiller ( ref : annexure 19 ) 30 ultrasonicator ( ref : annexure 20 ) 31 hot plate with stirrer ( ref : annexure 21 ) 32 fume hood ( ref : annexure 22 ) 33 horizontal shaker ( ref : annexure 23 ) 34 orbital shaker ( ref : annexure 24 ) 35 centrifuge ( ref : annexure 25 ) 36 humidity chamber ( ref : annexure 26 ) 37 offline spe chamber ( ref : annexure 27 ) 38 laboratory type i water purifier ( ref : annexure 28 ) 39 laboratory type ii water purifier ( ref : annexure 29 ) 40 ion chromatography ( ic ) ( ref : annexure 30 ) 41 leather grinding mill ( standard ) 42 standard flask 10 ml 43 standard flask 25 ml 44 standard flask 50 ml 45 standard flask 100 ml 46 standard flask 250 ml 47 standard flask 500 ml 48 standard flask 1000 ml 49 air compressor , ( ref :annexure 31 ) 50 nitrogen generator, ( ref :annexure 33 ) 51 helium cylinder with regulators, ( ultra purity of 99.999% ) 52 argon cylinder with regulators, ( ultra purity of 99.999% ) 53 zero air cylinder with regulators, ( ultra purity of 99.999% ) 54 nitrogen cylinder with regulators, ( ultra purity of 99.999% ) 55 table for equipment and wet work ( ref: annexure 33, laboratory equipment table specification ) 56 split ac 2.0 ton capacity, ( split ac, 2.0 ton ) 57 precision air condition, ( ref : annexure iii ) 58 80kva ups for back up for an hour 59 40kva ups for back up for an hour 65 paper shredder 71 remnant sample storage room 78 eye wash 79 safety shower 80 first aid box 81 spill kit 82 gloves heat resistant / acid resistant / electrical resistant 83 face shield, 84 yellow bin, ( filter paper, tissues, spent, silica, sample vials ) 85 white canister 5 litre, ( halogenated solvent waste ) 86 white canister 5 litre, ( non halogenated solvent waste ) 87 blue bin, ( broken glass ) 88 white round container, 5 nos ( sharp object ) 89 yellow bin with biohazard symbol, ( bio hazard waste ) 90 cyan bin, ( e waste ) 91 gunny bag, ( paper recycle ) ...

Bidhan Chandra Krishi Viswavidyalaya - West Bengal

33676305 purchase , particulars , atomic absorption spectrophotometer ( aas ) : atomicabsorptionspectrophotometerwithgraphitetubeautomizer ( gta ) , flameautomizer ( fa ) andvapourgenerationassembly ( vga ) , unitforflame ( airacetyleneandnitrousoxide acetylene ) , chiller, autosamplersforgtaandflame.: technical specification: atomic absorption spectrophotometer: computer controlled with built inflame emission mode, wave length range: 180 – 910nmwave length, sensitivity: sensitivityatleast0.35absfor5µg / mlaqueouscopperstandardsolutionwithair – acetylene flame., optics: double beamholographic monochromator, czerny turner , focallength: atleast250mmfocallength, resolution: 1800lines / mm, slit width: 0.1nm, 0.2nm, 0.4nm, 1nm, 2nm & 5.0nm ( six step auto changer ) , flame atomizer: alltitaniumor equivalentburnerwithimpactbead / flowspoiler, premixdesign, movement: automatic movementintothe sample compartment, affect from acids, organic solvent: unaffected from attacks by acid solution or organic solvents ( e.g. methylisobutylketone i.e. mibk, flame alignment in liquid beam:fullyautomatic, optimizedwithmotorizedburnermountforverticalandhorizontalburneradjustment, nebulizer:highprecisionabletoprovidemanuallyadjustableuptakeratesmaterialofthenebulizerandrelatedventurishouldbeinerttoacidsolutionsandorganic solventssuchasmibk, flame control: computercontrolledignition, gas control: computercontrolledwithoxidantandfuelgasesmonitoringtomonitorconstantfuel / oxidantrationignition., safety function: interlockingsystem to preventignition, essential interlock monitor: burnertypeaswellasitspresenceinposition, airselector, flamesensor, liquidtraplevel, gassupplypressureandairsupplyanywhere inthe networkofgastubings inthe system, automatic lamp selection function: computer controlled hollow cathode lamp selection and alignment, lamp holder: atleast8lampholderwithbuiltinpowersuppliesforhollowcathodelampsandelectrode–lessdischargelampsorequivalent, operating parameter setting: automatic setting, read out / display: displayfacilityforabsorbanceaswellasconcentration, displayoferrorsorerrorcodes, absorbancerangeat least upto 2.0 abs., scale expansion: scale expansionatleastupto 100x, integration time: integrationtime shouldcoveratleast0.1to 60 secondsrange, measurement: measurementsofmean, rsdandcv, backgroundonlymode, integration ofpeakheightandpeakareas.accessories / spares with flame aasystem, vapor generation assembly: shouldbecontinuousflowbasedhydride / mercuryvaporgeneratorwithoptionofusingwithorwithoutaprogra, mmable auto sampler highly automatic: after pressing the start key, the whole, process ( sampling, reacting, calibrating and cleaning ) will be, finished automatically.high sensitivity: the sensitivity of most elements is better than 1ng / ml / 1%a. sensitivity of arsenic is better than 0.15ng / ml / 1%a.rsd: less than 3% measurement time: the single measurement will take 25 to 35 sec, less solution: sample 2 2.5ml ( including clean ) , potassium, borohydride 1 1.5ml, carrier liquid 5 6ml.atomizer: heated absorption cell ( heated by air c2h2 flame in standard carrier gas: ar pressure: 0.32 mpa, consumption:70 ml / min, power requirements: 240 vac, 50 / 60 hz, precision: precisionofbetterthan oratleast1%atppblevelsofmercury, arsenic etc. absorption cell: theabsorptioncell’smaterialshouldhavenoeffectofthehighheatof the flame andthe cellforthe analysis ofmercuryshouldbeofa closedabsorptiondesign flame arrester: flamearrestershouldbeprovidedinthetubewhichconnectsthe assemblyto the absorptioncell, cell design holder: thedesignofthecellholdershouldgiveafirmandeasilyadjustable ( foralignment ) mountingonthe burnerhead. system accessories: complete withnecessary reagentbottles, connectorsetc.hollow cathode lamps: arsenic, antimony, calcium, chromium, cobalt, copper, iron, nickel, lead, manganese, mercury, tin, zinc, molybdenum. air compressor with air filter or equivalent air service unit:completewithpressureregulatorquiteinoperation, necessarytubingandconnectorsandshouldmeettheairsupplyrequirements of aasoperation.oil free pump: oil free pumpandmoisture trap, corrosion resistant: resistanttoacidic vapourandthedrainvalve ( if any ) shouldbemade of stainlesssteelof equivalentcorrosionresistantmaterial nitrous – oxide gas regulator: nitrousoxidegasregulator ( twostage ) withheater, withnecessarytubing’sandconnectors.necessarytransformershouldbeprovidedto transformthissupplyto therequirementsoftheheater.theheatershouldworkon230±10volts50hzacpowersupply.acetylene gas regulator: acetylene gasregulator ( twostage ) withnecessarytubingandconnectors.nitrogen gas regulator: nitrogenregulator ( twostage ) withnecessarytuningsandconnectors.graphite furnace system, graphite tubeatomizer: should becomputercontrolledfullyenclosedgraphitetubesystemconsistingofstabilizedtemperature / totalpyrolyticgraphite plateform.gassupplies: provisionoftwogassupplies ( programmeselectable ) withindependentcontroloverthe gassupplythroughthe furnace.heatingrate: heatingrate ofatleast2500°cpersecond coolingtime: coolingtime20seconds temperature range: temperaturerangeambientto 3800°cor morein 1°cincrementsfeedbacksystem: feedbacksystemforfurnacetemperaturecontrol, interlocksforwater, gas, temperature, furnacedoor, graphitetubedamage andmainspower.temp.programming upto 20 rdertemperatureprogrammingfacilitywithflexibilityofprogramselection, ramptime, gases, gasflowandreadtriggerforeachtemperature step.control computercontrolledwithappropriateprovisionforprintoutofthe furnace andsample parameters display calibrationdata / graphs, temperatureprofiles, signalgraphicsandthe instrumentstatus. memory memoryshouldbe ableto storeatleasttwenty fivenonvolatileprogrammes chiller cooling mode: compressor cooling, temperature controller: pid controller, temperature range: 5°c – 35°c, accuracy: ±1°c, cooling capacity: 1300w @25°c, pump pressure: =1.3bar, pump flow: =15litre / min, tank volume: 8 litre, tank material: stainless steel ss304, refrigerant: r134a size ( w*d*h ) : 360*450*653mm, power supply: ac220v, 50 / 60hz dataworkstation application softwareprogram facility with multitasking software shouldprovidecompletecontrolofinstrumentwithinstrumentstatusdisplayanditsvariousaccessories. provide accurate and reproducible time averaged, integration, non – averaged integration, multi level calibration. softwareshouldhandleinstrumentlinearabsorbancereading, concentration, oremissionintensity, integrationtime, built instatistics, calibrationequationcontrol, slopeofanalyticalcurveusingoperatorselectivecalibrationstandard built ininterfaceforcomputerconnectionanduseofoptionalaccessories. comprehensivequalitycontrolprotocolsfacilityincludingblank, multiplequalitycontrolstandards, qa / qcaudittrailandcalibrationfailure. computer system, make reputed brand, processor i5 10th gen, ram 8gb or advance.ssd 512, monitor 19”led, operation software: preloaded windows xp professional operating system with licensed cd or better msoffice2000standardwithmedia, manualandlicensedcdor better, preloaded antivirus with latest version along with licensed cd or better fume hoodexhaust fume hood made in stainless steel chimney with std 20ft ss304 powder coated exhaust pipe with inert centrifugal blower 1400rpm, ac 230v, with standard fitting installation hardware for installation. operation kit standardoperationkitincludingallrequireditems, tubings, fittingsforstartup / regularoperationofinstrumentsuchasgaspurificationsystem to be supplied with the system. operation / maintenance manual operation / maintenance manualforeachunit analytical manual analyticalmanualincludingapplicationsforflame, vgaandgraphite system operation and maintenance training one weektrainingto beprovidedtotwo scientiston softwaretraining, operation, maintenance andtrouble shootingaspectsof instrumentatthe timeof installation. , air conditioner : split ac with inverter swing compressor: streamer discharge & dew clean technology for healthy air capacity 1.5 ton: suitable for medium sized rooms ( 111 to 150 sq.ft ) 5 star: best in class efficiency copper condenser coil: better cooling and requires low maintenance key features cooling capacity @ 43°c: 100%; noise level: 38 db ( a ) ; ambient operation: 54°c special features: 15% higher iseer compared to base iseer ( 4.5 ) of 5 star ac; patented streamer discharge for healthy air; intelligent eye to adjust cooling according to human presence; triple display ( power consumption %age, set / room temperature & auto error code ) ; dew clean technology that cleans indoor unit coil with a press of button refrigerant gas: r32 environmental friendly no ozone depletion potential indoor unit, outdoor unit, remote control, user manual, warranty card & standard installation kit , bod incubator: floor standing, double doors .temperature range 5°c to 80°c with uniformity of ±0.2°c @ 10°c. microprocessor pid controller delivers superior temperature control accuracy, required for precise results. features and advantages include illumination lamp, caster wheels for easy mobility, digital timer . 175litres / 6.1cft, external chamber ms, internal chamber ss304, solid insulated door ( with glass & without glass ) w / lock door, stainless steel 5 shelves removable, caster wheels, humidity system, light system by interior illumination w / 3 fluorescent tubes, timer 0 99 hours for regulating cycles illumination condition, rfid enabled door locking system. brand name and model name must come in the display. , centrifuge: max speed: 15000 rpm speed accuracy : ±1rpm or ±1 x g temperature: 10°c to +40°c. possibility of precooling during standstill rotor type: angle rotor for conical centrifuge tubes. all rotors with lid and anti corrosion coating rotor capacity: 8 x 50 ml with max. rpm:~14000 rpm 8 x 15ml with max. rpm:~ 14, 000 pre selection of run parameters in terms of rpm timer range: pre selection of time from 30sec. to 10 hr. or continuous set time in hrs:min, min:sec, or continuous mode automatic rotor identification & imbalance sensor low vibration during the operation. extremely low noise during operation ( <66 db ) . with microcontroller for speed, time and temperature motorized lid lock and inter lock keys for start, stop and lid open power supply: 230 v / 50 60 hz , chns analyser : fully automated pc controlled elemental analyser for solid and liquid samples.the analyzer must be able to simultaneously determine the elements in the following combinations: chns, or chn, or cns, or cn, or nwithout a need to change column helium as carrier gas and option for argon as carrier gas in chns mode.sample weight range: 0.2 mg of organic compound to 800 mg or more inhomogeneous soildetection range: 0 to 100% for all elements ( c, h, n, s ) with the capability of measuringat least 10 mg absolute carbon in chns mode and more than 50 mg in cn mode standard deviation: ?0.1% of absolute. lower detection limit of < 50 ppm for n , c and s with thermal conductivity detector ( tcd ) dependingon sample weight. the instrument must fulfil the international and national safety standards. for safety reasons, theentire instrument including furnaces must internally operate on low voltage ( < 50 v ) . large dynamic measurement, range from 0.1 milligram, chemical substance to1 gram inhomogeneous soil, best analysis results for any sample matrix, wide variety of optional configurations, individually extendible, low and tool free maintenance, low noise level, low total cost of ownership, integrated 120 position auto sampler as standard, patented ball valve forblank free sample transfer. furnace system • should have two zone furnace system, separate for combustion and reduction with independent temperature control for each furnace in chns mode. easy slide out mechanism of furnace for routine maintenance work. it should be possible to set difference temperature for combustion and reduction. • controlled furnace temperature should be 1200 deg c or more. • easy ash removal without change of combustion tube by means of an exchangeable ash crucible. separation system • combustion gases in the form co2, h2o, n2 and so2 are separated by means of single temperature programmed desorption ( tpd ) column. detector system • oxygen intrusion free thermistor technology based temperature stabilized tcd detector for measurement of c h n s o auto sampler system • integrated 50 or more position automatic sampler having capacity to handle upto 1000 mg sample in each sampler holder position of carousel software • should be windows based and should have operating software with automatic calculation and statistical evaluation of sample results, automatic leak check, sleep / wakeup function, gas stop, service and maintenance support and weight transfer from external balance. • all instrument functions incl. gas flow and pressures must be digitally controlled for diagnosis and trouble shooting via the internet. consumables: to be supplied with consumables enough for 1, 000 sample analysis in chns / cns mode. necessary documents: • catalogue in original. • all technical specifications should be printed on the manufacturers catalogue / data sheet. , compound microscope : compound microscope ( 10x eye piece, objective with magnifying powers 10x, 40x and 100x oil immersion objective lens ( body monocular die cast body, inclinable upto a horizontal position ( 90° ) ; focussing by coarse & fine focusing knobs; eyepieces huygenian 10x and 15x; objectives hard anti reflection coated, colour coded par focal achromatic 10x, 40x, 100x, oil immersion; condenser built in sub stage condenser with iris diaphragm. branded, best quality ) , compoundtrinocular microscope with camera: trinocular head, eyepiece: swf 10x, u plan objectives of 4x, 10x, 40x and 100x, abbe 1.25 n. a. condenser with iris diaphragm, ceramic coated flat top stage, co axial coarse and fine focusing, led or halogen illumination with automatic voltage sending power supply, digital camera ( 5 mega pixels ) , fire wire cable, c mount adapter 0.7x and image analysis software with 4d experiment ability. , conductivity bridge : advanced microprocessor based design. brand name and model name must come in the display. conductivity and tds modes. automatic and manual temperature compensation auto ranging. 0 20?s / cm, 20 200?s / cm, 200 2000?s / cm, 2 – 20 ms / cm, 20 200 ms / cm, 200ms / cm 2000. multi point calibration. tds conversion factor from 0.40 to 1.00 cell constant adjustable from 0.1 to 10.0 temperature coefficient adjustable from 0 to 10% / °c normalisation temperature adjustable from 15 to 30 °c. bi directional rs232 interface. baud rate selectable from 1200, 2400, 4800 and9600. single and continuous print out of conductivity. multiple printout types. combinations selectable from sr. no., cond / tds, date, time and temperature. real time clock. temperature setting ( manual temperature compensation ) . calibration report as per glp requirements lcd touch screen display with backlight. memory storage of 100 measurements. data logging facility up to 500 results. data logging interval selectable from 5s, 10s, 20s, 30s, 1m, 2m and 5m. temperature calibration. , compound phase contrast binocular microscope : body: binocular, sturdy, stable base body with focus adjustment controls. eye piece: paired, high quality, achromatic, wide field, system complete with illumination system is required. objective: three objectives 10x, 40x, 100x. 10x and 40x objectives should have numerical apertures of 0.25 and 0.65 respectively.100x should have numerical aperture of 1.65. nose piece: revolving nose piece to accommodate a minimum of three objectives with click stops. it should be provided with ribbed grip for easy rotation mounted on a precision ball bearing mechanism for smooth and accurate alignment. stage uniformly horizontal, mechanical stage having dimensions of length 140 mm ( + / 20mm ) . the stage should be provided with spring loaded slide holder for exact positioning of specimen / slide. the stage should have ball bearing arrangement to allow smooth travel in transverse directions i.e. 80 mm ( + / 10mm ) and front to back direction, 50mm ( + / 10mm ) . the system should have a build in variable light source ( illuminator ) . this light sourceshould have a 50 w, 12 v halogen lamp. all consumables required for installation and standardization of system and microscopecover to be given free of cost. , desktop computer with accessories : corei5 11400 motherboard gigabyte h510mh , 16 gb ddr4 ram, 512 ssd, key board, mouse, 19”led colour monitor, bluetooth, cabinet, branded laser printer. , digestion hood for the laboratory : internal lining: suitable material for hf resistancelike upvc or pp internal size ( 1600x675x1250 mm : wxdxh ) ± 10%should supply with digital face velocity meter withalarm / low exhaust indicatorcold water service fixture ( inlet and outlet, pre plumbed ) for using distillationunit inside. tri wall construction for maximum robustness. u pvc / pp internal chamber. chain and sprocket sash support system. hood lighting is pre wired. lighting is electronically ballasted, energy efficient, instant start. typical light intensity on work surface is >1076 lux in zero ambient conditions. u pvc exhaust collar ensures superior chemical resistance. one gas service fixture pre plumbed internal electrical connection: two number ( 5 / 15 amp ) socket internal light fitting for proper illumination with external switches vertical sash: polycarbonate / toughened float glass ( acidresistant ) removable baffle / suitable mechanism for easycleaning, blower and duct: pp+frp – 250 mm diameter duct 20 feet in length 1 hp motor and reputed and standard company ( brand must be mentioned ) , 600 cfm minimum volume weather proof pp / motor housing. exhaust: pp+frp exhaust fan with chemical resistantimpeller system will be installed in first floor of laboratory block. stack height should beat least three meters above top roof ( two storey building ) shaping vanes increase airflow “sweep” at the critical area atthe sidewall to improve containment, especially when laboratorypersonnel walk fast in front of the hood. , electronic precession balance : maximum capacity [ max ] 200 / 2000 g minimum load 20 mg, readability [ d ] , 0.001 / 0.01 g tare range 2000 g, repeatability ( max ) 0.001 / 0.01 g repeatability ( 5% max ) 0.0005 / 0.005 g, linearity±0.002 / 0.02 g stabilization time2 / 1.5 s adjustment external physical parameters levelling system manual display lcd ( backlit ) delivery components balance, weighing pan, weighing pan shield, grounding foot ×1, foot ×3, power supply. weighing pan dimensions 128×128 mm packaging dimensions 470×380×336 mm net weight 3.2 kg gross weight 4.8 kg, protection class ip 43 , communication interface communication interface, 2×rs232¹, usb a, usb b, wi fi® ( option ) electrical parameters, power supply , adapter: 100 240v ac 50 / 60hz 0.6a; 12v dc 1.2a balance: 12 – 15v dc 0.4a max , environmental conditions operating temperature +10 — +40 °c. , environmental shaker :environment shaking incubator : salient features , programmable logic controller ( plc ) , 4.3 hmi with colour display and touch screen, password protected operation. , universal platform to accommodate vanous type of flask and test tube rack max ( 8x250ml ) .electronic capacitance type humidity sensor , direct display of temperature and humidity, display of set value and process value, unique air flow system ensures even distribution of temperature and humidity, precise control of temperature and humidity by using built in pid controller ( auto tuning type ) , forward and backward rotation programs and rpm 30 350, maintenance free brushless induction motor, variable frequency drive ( vfd ) permanently lubricated bearing for noise less operation, triple eccentric counter balanced drive mechanism for uniform agitation, castor wheel for ease of mobility adjustable levelling jack. , horizontal autoclave : 1.fully automatic micro processor based high pressure, high vacuum autoclave for sterilizing material including agars, sterilization of solution in open & closed bottles, disinfection of materials and waste decontamination. 2. should be front loading, have rectangular, horizontal chamber with well insulated jacket, chamber volume minimum 165 lit. 3. should have single vertical sliding door to have a pass through system. door should be electrically controlled having fully automatic function with multiple safety arrangements. sealing system should be based on silicone seal.4. should have at least 50mm thick insulation materials on jacket and in doors to ensure low thermal losses. working temp. of the door should be less than 45deg. c. 5. should be high grade stainless steel.6. should have a built in colousr touch screen.7. should have audio visual alarms in case of undesired situations. 8. should have programmable operators access level. 9. should have at least 10 pre programmed standard cycles plus 5 or more user programmable cycles and provision of chip card port for loading of new programs through chip cards.10. should have temperature adjustable from 25deg. to 135 deg. c. 11. safe working pressure range should be adjustable 12. should have complete monitoring of cycle operation and provided with at least two pressuresensors and two temp. sensors ( pt 100 ) in addition to analog for chamber pressure, jacket pressure and steam generator pressure indication.13. the unit should be equipped with multiple safety mechanisms for emergency stop over pressure safety valves for chamber and jacket, over temp safety, steam traps and electrical safety.14. the unit should include non fade built in thermo recorder for step progress values during the cycle with time and date and alarm condition if any.15. should have built in feature of water saving system for water conservation.16. should be supplied complete with high quality stainless steel trolleys and sterilization baskets: a. external trolley = 01 nos.b. internal trolley with steel roller c. shelves = 01 nos. and d. 2 sets of sterilization baskets. 17. all accessories & electric fitting to be included 18. three compulsory visits for calibration and check up irrespective of complaints in year.19. the steam generator should be also be made of aisi 316 ti steel & the steam generator should be equipped with automatic cleaning facility. 20. integrated waste water cooling, integrated water saving device. touch screen display, chip card reader and rs 232 interface. , hot air oven : capacity 250 litre, temp range: +5ºc to 250ºc. control accuracy: ±0.2ºc, uniformity: ± 2.0 at 100.0ºc minimum 3 no. of shelves with height adjustable in 25mm steps, glass window in built into the door for easy viewing of samples, automatic cut off of heater & blower when door opened, digital pid temperature controller with timer, alarms and auto tuning, aero dynamic internal design for achieving horizontal air circulation, solid and plain bottom without electrical, outer body made of g.i epoxy coated inner body made of stainless steel with clear bottom ce certified. brand name and model name must come in the display. , hot plate : size 420 x 320 x 130 mm ht. ( total height with feet ) weight 9 kg, voltage 230v ( 50hz ) , temperature 250°c maximum uniformity + / 2°c.temperature rise 6°c per minute temperature drop 1°c per minute, the hot plate should be able to control the temperature within + / 2°c, temperature should be uniform throughout the hot plate surface. 6. there should be rims around the edges of the hot plate for safety, power 2200 w, approx. 9.6 amp in 230v, material pfa coated graphite. , laminar air flow chamber : microprocessor controlled system with motorised door. type of airflow: horizontal full password protected operation. 70% of air should be recirculated to the cabinet work area through hepa filter and the 30% balance should be exhausted through hepa. the balance should be dynamic to ensure the 70 / 30 recirculation / exhaust air the instrument must have hepa filters on down flow as well as exhaust with an efficacy of 99.99% for particles sized of calibration certificates along with dop test report shall have to be submitted at the time of supply of instrument ) the dimensions of the working chamber should be in the following range: length: 90 120 cm , width: 40 60 cm , height: 50 80 cm . the main body and working chamber of the cabinet should be made of stainless steel, rigid and rustproof with removable trays the cabinet should have an electrically operated sliding front sash made of safety ( uv ) glass with a provision for manual operation of the sliding front window. also, the sliding front sash should have true air and aerosol tight electrical shahs. front door: clear transparent sturdy material work chamber should be fitted with a fluorescent lamp for illumination and should have programmable uv light cycle. the unit should have microprocessor control keys with large icons and a large graphical display with provision for the permanent display of the following key cabinet conditions. i. inflow and down flow air velocity ii. exhaust and recirculated airflow volumes iii. time and date iv. residual lifetime of filters & total time of cabinet operation ( optional ) alarm notification in the following situations: i. low inflow velocity ii. low down flow air velocity iii. hepa filter life iv. alarms for clogged filters v. other malfunction compatible at a power supply of 220 v, 50hz noise level: < 65 db basic cabinet should be termite and insect resistant and washable accessories: manometer, gas inlet, castors the cabinet should be with a stand with lockable castors brand name and model name must come in the display. , multimeter with ion selective electrodes for water quality testing : colour capacitive touch screen with software control facility. can store 2000 sets of test data, which can be saved and transferred to usb memory stick and opened with excel. power: universal ac adapter and with rechargeable lithium battery ( included ) . concentration range: ( 0~19990 ) , can switch 6 kind of concentration units: ug / l, mg / l, g / l, mol / l, mmol / l, ppm. concentration resolution: 4 significant digits ( expressed in scientific notation ) can be operated through 5 amp plug and battery. accuracy: ±0.1mv or 0.03% temp range: ( 0? to 100? ) accuracy: ±0.1? output through usb / bluetooth battery life 1000 hour. type: lithium battery. ise fluoride, chloride , bromide, ammonia, brand name and model name must come in the display. , mechanical shaker: compact bench top microcontroller based shaker with temperature control range from ambient +5°c to 60°c , ergonomicallydesignedwithminimalfootprint triple eccentriccounterbalanceddriveforuniformagitationwith 25mmshakingorbitmaintenance freepermanent ( self ) lubricatedshieldballbearingsfornoiselessoperationfrpexteriorwithanti vibrationmountforsmoothrunning preciseshaking speedcontrolwithgentlestart / stopcycle, preventingspillagepowerfulpermanentmagnetdcdrivewithdigitalleddisplayofspeed pulsewidthmodulation ( pwm ) basedspeedcontroloptionaltimerfunctionforspeed autore starttosetspeedafterpoweroutage universalplatformtoaccommodateerlenmeyer, roundbottom, volumetricflasks, testtube holdersµplateholders hasautorestartfunctionafterpowerinterruptionwithnonvolatilememory ( retainsetparametersafterpowerfailure ) orbital shaking with orbit diameter of 25 mm, speed 20 450 rpm with accuracy of ± 2 rpm, led display , universal platform and clamps to hold flaskscapacity 100ml 64nos or 1000ml. 16nos, tray dimension : 450 x 450 mm, noiseless operation, operational voltage 220 ± 20v, 50 hz, should meet ce standards , mechanical soil auger : soil auger sampler : made of iron : screw type, one meter long with handle :size : 2.5 cm. dia , microprocessor based flame photometer : alphanumeric graphics lcd ( 240x 128 dots ) brand name and model name must come in the display microcontroller based na, k, li, ca& ba auto ignition gas leak sensor auto gas cut off. pass word protection. separate logging for guest and administrator quadratic curve fitting rtc high quality compressor software na minimum concentration without dilution 2 ppm and 0 200 meq / l with 1:100 dilution ba can be measured upto 3000ppm without dilution in higher concentration mode and 500ppm at lower concentration mode. caupto 250 meq / l with 1;100 dilution bandwidth 10nm curve fitting accuracy ±2% f.s pc link software to send data to pc. gas cylinder and regulator must be supplied. product must be ce certified and company should bear iso certification. brand name and model name must come in the display. , microtomy : section thickness range: 0.25 60 ?m trimming thickness range: 5 500 ?m resolution: 0.25 for 0.25 1 ?m 0.5 for 1 5 ?m 1 for 5 20 ?m 2 for 20 30 ?m 5 for 30 60 ?m resolution: 5 for 5 10 ?m 10 for 10 100 ?m 20 for 100 200 ?m 50 for 200 500 ?m knife carrier retraction during return travel of the specimen: 60 ?m horizontal feed range of the knife carrier: max. 28mm vertical specimen stoke: max. 64mm specimen size: 55 x 50 mm specimen orientation: x and y axes: universal 8º z axis: up to 360º , microwave digestion system : large furnace cavity design with completely independent intellectualproperty rights, 1~6 100ml ultra high pressure digestion tanks can be placed at the same time; industrial grade 1000w magnetron. temperature and pressure dual measurement and control, precise control, active prevention of over temperature and over pressure, maximum working pressure: 6mpa, maximum withstand temperature: 300°c, maximum working temperature: 250°c high precision anti interference pressure sensor adopts double explosion proof control mode to directly measure the actual reaction pressure in the digestion tank, the pressure measurement range is 0~10mpa, and the pressure measurement accuracy is 0.01mpa; insert high sensitivity platinum resistance temperature sensor, directlymeasure the actual reaction temperature in the digestion tank, the temperature range is 0~300°c, and the temperature measurement accuracy is ±0.1°c; it can measure and control the pressure and temperature in any reactiontank, and the 7 inch high definition camera display accurately shows the chemical reaction process; equipped with perfluorination digestion tank or ft double layer digestion tank: ptfe digestion tank is made of ptfe ( polytetrafluoroethylene ) , and the sheath is made of high strength explosion proof aerospace composite. the fiber material is made by one time die casting, high temperature resistance, high pressure and strong acid corrosion resistance; easy disassembly and assembly, fast cooling; double venting protection and digestion tank for venting holes and sealed bowls; up to 6 ultra high pressure digestion tanks can be placed at the same time; the furnace cavity is ventilated with acid resistance, large air volume centrifugal fan, and the exhaust air volume is 5m3 / min; specially designed self locking ground moving safety door to resist accidental explosion and microwave leakage. tank technical parameters: the pressure resistant jacket material is a hydrophobic high strength pressure resistant composite fiber material, which is explosion proof and supports washing and easy to clean. the inner tank adopts imported modified polytetrafluoroethylene ( tfm ) , high strength frame type closed ultra high pressure reaction tank: the highest withstand temperature =300 °c. explosion proof membrane automatic pressure relief and peek compressionmodule pressure relief safety design to ensure the safe operation of the instrument. the whole tank pressure monitoring system, the threshold value can beadjusted. using high strength engineering plastics for one injection molding, independent ultra high pressure digestion tank holder. tank 6pcs, power ac220v / 50hz / 10a, microwave frequency 2450 ( mhz ) , microwave output power 1000 ( w ) , microwave cavity 45 ( l ) , protective spraying pfa, control heating method pid, temperature ramp 1~50? / min, cooling time =25min, microwave leakage =0.3mw / cm2, temperature control range 0~300?, temperature control accuracy 0.1?, pressure control range 0~10mpa, pressure accuracy 0.01mpa, outer tank material peek, inner can material tfm1700, highest temperature resistance 300?, operating temperature 250?, highest pressure 15mpa , microwave oven : convection microwave oven with ceramic enamel cavity 21l ( 1. capacity: 0.7 cu.ft. / 21 ltr., 2. heat source: convection 3. power: power consumption ( microwave ) 4.1200w 5. power source: 230v / 50hz 6. output power ( max ) : 2350w 7. powerlevel:6 8. display type: led bar 9. control method: membrane 10. door opening type: handle 11. microwave distribution: turntable 12. cavity interior :ceramic enamel ) , millipore water purifier : parameter value or range pressure 2 – 6 bar flow rate > 10 l / min at 2 bar feed water type potable water temperature 5 – 35 °c conductivity 10 – 2000 ?s / cm at 25 °c ph 4 – 10 hardness ( as caco3 ) < 300 ppm silica concentration <30 ppm carbon dioxide concentration ( co2 ) < 30 ppm langelier saturation index ( lsi ) < 0.3 fouling index ( fi5 ) or silt density index ( sdi ) = 7 ( * ) total organic carbon ( toc ) < 1 ppm free chlorine < 1.5 ppm typical water quality measures with a well designed and maintained distribution loop of 20 meters: flow rate pressure 5 lpm / 1.32 gpm 2.2 bar / 32 psi 15 lpm / 3.96 gpm 1.9 bar / 28 psi20 lpm / 5.28 gpm 1.6 bar / 23 psi plumbing connections inlet ( feed water connection ) 3 / 4 bsp loop start / return 1 1 / 2 sanitary tc drains 3 / 8” lab water purification systems type 2 ( pure ) , muffle furnace : controller: should be microprocessor based & at least 8 segment programmable or equivalent controller with necessary safety features. programmable temperature ( pid controller ) controller with heating rate control from 10?c / min to 40?c / min. ( fast heating rate would be preferable ) , heating element :kanthal a1 and backed by high temperature ceramic insulation , safety: over temperature protection& over load protection ( safety controller ) should provided. door safety switch must be provided so that it disconnects power supply to heating element when door opens. should be equipped with digital over temperature protection circuit to fail safe in the event of a controller malfunction , critical electronics component and heating elements protected by a 35a circuit breaker., weight : less than 100 kg , two set of operation and maintenance manual should provided. , ph meter : supply of bench top, digital ph meter along with all its accessories and spares required brand name and model name must come in the display. to operate the instrument as per specification given below: the direct reading laboratory ph meter ( digital ) operable at 230v + / 10v a.c., 50 hz powersupply with necessary cable connections and other standard accessories required for smoothoperation. measuring range resolution accuracy ph range 0 to 14 ph ( min. ) 0.001 ph ± 0.002 ph mv 1000.0 1000.0 ( min. ) 0.1 ph ± 0.2, rel. mv 1000.0 1000.0 ( min. ) 0.1 ph ± 0.2 temperature mtc 10.0 100.0 °c ( min. ) 0.1 °c ± 0.1 °c, temperature atc 5.0 100.0 °c ( min. ) 0.1 °c ± 0.1 °c, temperature compensation : it should have both automatic and manual temperaturecompensation touch screen display , parameters likeph, temperature, mv, date & time etc. ingress protection level : it should be ip54 complied protection level.power requirements : it should be operable with 9 12v / 10w dc adapter. storage of instrument : it should be able to stored in temperature of 5 to 40 °c and relative humidity of 5 to 80% ( non condensing ) glp compliance : it should be glp complied .to improve the reproducibility, it should allow to choose from at least three endpoint criteriaaccording to our requirements.the electrode holder should move in a perfectly vertical way, making it easy to place the sensor in the perfect position i.e. vertically in the measurement beaker. it should be able to connect peripherals via usb and rs232, increasing its possibilitiessignificantly. export of measurement data and calibration data should be possible to usb stickto direct pc software whenever required by us. it should allow monitoring of limits of parameter ph by giving a warning message when the value falls below or exceeds the predefined limits. it should have facility not to delete of data and changing of settings in routine mode. hence it required to be pin protected for login, deletion of data, system settings etc. it should have choice of endpoint formats like automatic, manual and timed. it should have choice of ph decimal places like x.y, x.yy & x.yyy ( up to one, two andthree decimal places. ) it should have data storage up to 1000 measurements ( min. ) it should have ph sensor input through bnc connector with impedance of more than 3 x 1012o . it should have temperature sensor input. it should be able to show the quality of last calibration on its screen. , precision drier : capacity, material and construction: cap:3ltr / h evaporation rate. suitable for aqueous feed solution. laboratory scale model. external body –ss316. drying chamber and cyclone in full ss 316l construction. total construct size: 1200 x 1300 x 2000 mm ( ±10% dimesional tolerance ) , self supported on castor / wheels ( compressor size is extra ) . weight: max 130 kg ( ±20% ) ( compressor weight is extra ) chamber: chamber size: diameter 280 350mm, length 600 1000 mm, with conical bottom. feed pump: variable speed gearless peristaltic pump with dual teflon rollers and precise speed control. feed pump should be of repute make preferable watson marlow / miclin / flowtec or equivalent. silicon tube for feed. pump should be controlled through plc and manually as well. spray system and nozzle:moc for two fluid spray nozzle: 316l variable aperture nozzle of 0.7mm.other sizes such as 0.5 / 1.0 / 1.2 / 1.5 / 2.0 / 2.5 mm may be available. auto de blocking system for spray nozzle which will be fitted on nozzle controlled through a de blocker timer. an additional spray aperture for future use should be included. nozzle geometry and design must be submitted with a tender document. desired output particle size range 20 45 micron, compatible with ceramic slurry also. controller and display: plc based operating system with a multi touch colour, interface, 9” hmi with data logging, online trends, recipe functionand ability to store recipes and recall for ease of use. plc of repute make such as siemens, delta or equivalent etc. thesystem should have an audio visual alarm for a. inlet temperature, outlet temperature and atomization pressure. thesystem should have parameter control and safety interlock. inlet / input air temperature / / temperature range: ambient to minimum 260 degrees c, variable and selectable aspirator airflow:max. 150 cum 3 / hr with vfd for motor control of repute make such as delta, fuji or equivalent air heater:electrical heater with minimum 6.0kw capacity inlet filter:combination type ( pre + hepa ) for pre filtering environment air to keep most impurities and particles away from the spray drying process, outer filter assembly: mainly to protect aspirators from fine particles. it should include spun bound polyester cartridge with ptfe coating. efficiency 1micron down to 99.99%.compressor: oil free air compressor piston type with min. 20l air reservoir 1hp power supply: single phase, compatible with indian standard , quartzdouble distilled water plant: all quartz, material of distillation unit shall be made of high purity electronic grade transparent quartz only, heaters: demountable boiler panel with compact design of boilers & condensers easily mountable for cleaning and maintenance with spiral heaters, electrical requirement: 230 250 volts 10 / 50hz, single phase, dist. water output capacity ( ltr / hr ) : 2.5 ltrs / hr, total power consumed 4.4 kw, conductivity ( ?s / cm ) : <1*10 6, distillation units type vertical, biological activity pyrogen free, double stage glass ( quartz ) distillation units yes, double wall condenser quartz, cooling water consumption ( ltr / hr ) 2 ltrs / min, boiler quartz, demountable model and should be connected with rubber tumbling and pinch cock for cleaning sediments in primary boilers and must be ce / iso certified.primary boiler provided with o ring accessories distillation apparatus power supply ( daps ) : the unit provides for automatic working of distillation unit by switching off the heaters in case water level falls below the heating coil, there by safeguarding the heaters. the unit resumes distillation when water level is restored. the unit also comes with buzzer. apart from the above features, dual cut off: the dual , quartz single distilled water plant: all quartz, material of distillation unit shall be made of high purity electronic grade transparent quartz only, heaters: demountable boiler panel with compact design of boilers & condensers easily mountable for cleaning and maintenance with spiral heaters, electrical requirement: 230 250 volts 10 / 50hz, single phase, dist. water output capacity ( ltr / hr ) : 2.5 ltrs / hr, total power consumed 2.2 kw, conductivity ( ?s / cm ) : <1*10 6, distillation units type vertical, biological activity pyrogen free, single stage glass ( quartz ) distillation units yes, double wall condenser quartz, cooling water consumption ( ltr / hr ) 1 ltrs / min, boiler quartz, demountable model and should be connected with rubber tumbling and pinch cock for cleaning sediments in primary boilers and must be ce / iso certified. distillation apparatus power supply ( daps ) : the unit provides for automatic working of distillation unit by switching off the heaters in case water level falls below the heating coil, there by safeguarding the heaters. the unit resumes distillation when water level is restored. the unit also comes with buzzer. apart from the above features, dual cut off: the dual cut off switches off the heater even when there is no cooling water supply to the condenser. , refrigerator : frost free refrigerator : auto defrost function to prevent ice build up capacity 253 ltrs : suitable for small families and bachelors | freezer capacity: 69 ltrs fresh food capacity: 184 ltrs digital inverter compressor – enjoy greater energy efficiency, less noise and a long lasting performance. it automatically adjusts its speed in response to cooling demand shelf type: spill proof toughened glass shelves with easy slide special features: easy slide shelf, door alarm, inverter, temperature control, cool pack, stabilizer free operation ( 100 ~ 300 v ) key feature : all round cooling for even cooling corner to corner | power cool enjoy rapid cooling performance | moistfresh zone preserve the freshness and flavor of fruit and vegetables for longer | interior led light | moveable ice maker | tall bottle guards | recess door handle | fresh room | deodorizer | r600a refrigerant , refrigerator temperature control : the upright freezer type comes with an abs make interior. its outer body is a painted steel board, the door comes with a handle and a safety lock on it, there are casters provided for easy handing, its inner drawers are made of plastic control system : uses a microprocessor based temperature controller • the temperature control range is adjustable between 10°c to 20°c • it has a digital temperature display, equipped with audio such as: high or low temperature alarm, chamber volume 270ltr, chamber dimensions 800x500x500 outer dimension 1060x695x792 input voltage 230vac 50hz , semi automatic nitrogen protein analyzer : analyzer should be semiautomatic system consisting of a digestion unit, a scrubber unit, and a distillation unit. digestion unit: automated with integrated programmable control, should have electrically heated ( 230 ± 10 volts, 50 hz ac ) metal blocks. it should be capable of providing a temperature range from 100°c 440°c with ±10°c repeatability. should have inbuilt temperature controller with digital display and led display along with manual temperature adjustment. heating time setting with steps from 1 150 minutes should have the capacity to accommodate at least eight numbers of digestion tubes each of at least 250ml capacity , should have leak proof integrated condensers ( fumes carriers ) made up of glass, fixed on a movable panel along with adopter for outlet to the scrubber unit. proper digestion exhausts system. scrubber unit should be an oil free centrifugal suction type, with manual vacuum adjustment facility. corrosion and impact resistant provided with condensate and acid fumes collection vessels. should operate on 230 ± 10 volts, 50 hz, ac power supply. distillation unit fully programmable distillation unit including sample dilution, alkali and receiver addition, distillation and tube draining facility. validated procedure / certification for tkn distillation like aoac, epa, din, iso etc, should be made up of standard quality borosilicate glass. should possess a steam generator made up of borosilicate glass along with heater and have 3 step manual control facility i.e. standby, water inlet and distillation. should have inbuilt bellows pump for accurate reagent ( alkali / acid ) dispensing. should have ventilation valve. should have timer for 5 15 minutes with audio signal. steam inlet tube should be of ptfe. unit should have quick clamping device for digestion tube with adaptor. should operate on 230 ± 10 volts, 50 hz, ac power supply. complete unit shouldprovided with one set of digestion tubes along with the servicing, operating and maintenance manuals. can able to monitor and measurement of distillate temperature. self adjusting cooling water control facility safe feature for safe distillation. can be upgradeable whenever required accessories: 2 set of digestion tubes, digestion tube stand, spillage tray for the condensers, tube removing device , soxhlet’s apparatus : body constructed in ms epoxy coated finish , featuring use of mantle type heaters that comes with support of energy regulator, capability to handle 6 tests, can handle flasks of 250ml capacity, supplied withsupport of clamps as well as rubber tubing, works on electric supply of 220 / 230 volts, 50 / 60 hz ac, suitable to heat soxhlet flasks of 250ml , top loading balance: maximum capacity ( or ) range of the balance80 90 / 220 gm readability 0.01 mg ( 0.00001 gm ) / 0.1 mg ( 0.0001 gm ) tarring range 0 – 220 gm display backlit graphics display / lcd with touch screen operation. repeatability ( standard deviation ) 0.03 mg ( small range ) / 0.10 mg ( large range ) , linearity ±0.20 mg / ±0.10 mg, eccentric load 0.30 mg, calibration adjustment with internal weights, fully automatic calibration technology with temperature controlled, data memory function for keeping weighing data & calibration history data, 10 sensitivity drift ±2ppm / °c ( when automatic self calibration is not used ) stabilization ( typical and fast ) approx. 4.0 sec ( 0.1mg ) / 15 sec ( 0.01mg ) , size of weighing pan ~ 80 90 mm, shielding glass draft shield with flexible configuration protective cover for the terminal, replaceable feed through for weighing below the balance, power supply to be operable with 230 v ac, 50 hz power supply. accessories power supply cable with all accessories for operation, operating & service manual 2 sets ( of hard copies ) with calibration certificate of the balance. soft copy of instrument operating manual to be sent during the time of installation, interface standard bi directional rs 232 interface, dust cover one. , ups for the laboratory : 10kva 192v 8kw online ups , 16nos external battery module with iron rack, ups / automatic bypass facility, true double conversion online ups, microprocessor control for higher reliability. pure sine wave.input power factor correction. wide input voltage range ( 110 v – 300 v ) . generator compatible, selectable charging current allows flexibility to add any battery size, emergency power off , uv visible spectrophotometer : double beam ( 185 1100nm ) spectrophotometer with standalone colour lcd display with pc controlling software optical system: double beam, diffraction grating minimum 1800 lines / mm, scan speed :6000nm / min, 8 position sample holder, photometric details range must cover from 4 to + 4, bandwidth variable ( 0.2nm 6nm ) stray light < 0.05% t @ 220, 340 ( must cover less than 370nm ) , baseline flatness must cover + 0.006a, detector photodiode / single photodiodes / dual silicon photodiodes, power 240+ 10%, 50 60 hz, light source xenon flash lamp, wavelength details , accuracy must cover 1.0nm, measuring modes absorbance, transmittance ( % ) , concentration, operating modes: single wavelength, multiple wavelength, time scan, data presentation display analysis results and graphic data on screen, pc link software, port to data transfer, supplier should provide service for installation, demonstration, training for all operation procedure, temperature range operating conditions should cover +10 degree c to 40 degree, analytical quality assurance instrument should have internal quality assurance tools, certification must comply ce certificate. accessories: quartz cuvettes: 50mm length, 10mm, 20mm path length ( each 2 pairs ) , original catalogue to be enclosed. dedicated branded pc to be quoted with the system .should have manufacturer’s service centre in west bengal and details location to be mentioned in the quotation.. , vertical autoclave : quality systems for medical devices built: • floor standing vertical type top loading autoclave • outer dimensions: width 75 87 cm; height 90 110 cm; depth 65 80 cm software control:• fully microprocessor based proportional integral differential ( pid ) pressure control• controller and software should comply with international standards such as 21 cfr part 11 or any other equivalent.• should have facility to store identification codes and password codes for access level control• built –in memory to store number of cycles sensors:• should have in built platinum resistance temperature detector with a typical resistance of 100 o at 0°c that complies with international standards of safety requirements for electric equipment for measurement control and laboratory use, eg. iec61010 1, iec 61010 2 040 • option to connect additional temperature sensors and pressure sensors should be available display:• user interface should: • be easy to operate• have digital display enabling visualization of stage of the cycle, set and process temperature, pressure and quick access to important information • preferably have graphical display of temperature and pressure• have notification for replacement of filters after appropriate number of runs performed. chamber volume: should be not less than 100 litres and preferably should be 150 180 litres in capacity. suitable number of basket for bottle, vessels or agar media preparation should be quoted along with the instrument.chamber material: should be long lasting, made up of 316ti grade stainless steel of asme / ul grade chamber pressure: chamber should be designed to withstand at least 2.8bar / 142°c and should meet, european pressure equipment directive ( ped 97 / 23 / ec ) .2 | 2 chamber heating: should be heated uniformly by a heating plate on the outer wall with heater of suitable wattage for quick heating.chamber insulation: chamber should be completely insulated with chloride free glass wool. sterilization temperature range: 105°c to 137°c with accuracy of ± 0.1 deg c at 121 deg c & an additional isothermal temperature range of 60°c to 105°c. should have feature minimizes the time liquids are exposed to high temperatures during sterilization thereby protecting liquid media, saving laboratory time and reducing energy consumption. biohazard and waste management system: should have the facility to filter air removed from chamber before sterilization that isuseful for sterilization of biohazard waste.safety: • water level monitoring and maintenance of constant level for safety of heaters. • a safety device to prevent opening the door when the chamber is pressurized. • prevent starting of runs if doors are improperly locked.• safety feature should allow opening of doors only when the temperature reaches a pre set temperature and pressure reaches atmospheric pressure.power requirement: a suitable size of electrical switch gear 3 phase 440 volt with earthing andrecommended size of current capacity mccb will be made available on wall at appropriate place. other connection and installation has to be done by the supplier. , hydrometer , keen boxes , aluminium box , brass sieve , mortar and pestle , different types of augers: , screw type , post hole type , dutch type , stirrera. magnetic b. electric , khurpi , electric heater , room thermometer , gps machine , camera , lcd projector...

Balmer Lawrie And Co Limited - West Bengal

33266365 tender for annual maintenance contract of laboratory instruments at arl kolkata 1 grease penetrometer (with timer & cone) [astm d 217] 2 heating mantle (1 lit) [1 hole] 3 hot air oven 4 fume hood/acid fume chamber 5 hot plate 6 dropping point apparatus [astm d 2265] with heater 7 dropping point apparatus [astm d 566] 8 wheel bearing leakage tester [astm d 1263] 9 oxidation stability test apparatus [astm d 942] with 3 nos oxidation bomb 10 magnetic stirer 11 water bath 12 roll stability [astm d 1831] 13 water washout tester [astm d 1264] 14 water spray off tester [astm d 4049] 15 heating mantle series (6 columns) 16 emcor rust tester [ip220/astm d 6138] 17 low temperature torque tester [astm d 1478] 18 humidity cabinet 19 water circulation for tga 20 kinematic viscosity bath @ 40⁰c [astm d 445] 21 centrifuge machine [r 24] 22 full scale grease worker cup 23 air compressor [rmt 34] 24 half scale grease worker cup 25 pressure oil separation apparatus [astm d 1742] [including 2 nos. of collecrtion bath]...

Balmer Lawrie And Co Limited - West Bengal

33023034 annual maintenance contract of laboratory instruments at arl kolkata 1 grease penetrometer (with timer & cone) [astm d 217] 2 heatinh mantle (1 lit) [1 hole] 3 hot air oven 4 fume hood/acid fume chamber 5 hot plate 6 dropping point apparatus [astm d 2265] with heater 7 dropping point apparatus [astm d 566] 8 wheel bearing leakage tester [astm d 1263] 9 oxidation stability test apparatus [astm d 942] with 3 nos oxidation bomb 10 magnetic stirer 11 water bath 12 roll stability [astm d 1831] 13 water washout tester [astm d 1264] 14 water spray off tester [astm d 4049] 15 heating mantle series (6 columns) 16 emcor rust tester [ip220/astm d 6138] 17 low temperature torque tester [astm d 1478] 18 humidity cabinet 19 water circulation for tga 20 kinematic viscosity bath @ 40⁰c [astm d 445] 21 centrifuge machine [r 24] 22 full scale grease worker cup 23 air compressor [rmt 34] 24 half scale grease worker cup 25 pressure oil separation apparatus [astm d 1742] [including 2 nos. of collecrtion bath]...

University Of Gour Banga - West Bengal

32431915 supply and installation of the equipments required for the department of chemistry for dst serb funded project of the university of gour banga at malda, west bengal, india. , fume hood chamber brand: any ( specification as per nit ) , cyclic voltameter with potentiostat brand: keithley model: 2460 ec ( specification as per nit ) , analytical balances brand: metler toledo model: ml 204t ( specification as per nit ) , digital magnetic stirrer with heating plate brand: ika model:ika c mag hs 7 ( specification as per nit ) , desktop brand: hp model: s01 pf2008in ( specification as per nit ) , printer brand : hp model: brother dcp l3551cdw ( specification as per nit ) ...

Department Of Consumer Affairs - West Bengal

32227814 bids are invited for supply installation and commissioning of fume hoods with blower and ducting in chemical laboratory of nther saltlake kolkatasupply installation commissioning of fume hoods with total quantity : 1...

Government College - West Bengal

31324301 procurement, supply and installation / commission ( wherever necessary ) of laboratory equipment and apparatusfor department of chemistry, english, physics and zoology of taki government college supply of laboratory equipment and apparatus procurement, supply and installation / commision ( wherever necessary ) of laboratory equipment and apparatus for department of chemistry, english, physics and zoology of taki government college , department of chemistry , rotary evaporator with chiller , digital ph meter , digital potentiometer , digital conductivity meter , digitalphotoelectric colorimeter , polarimeter , hot air oven , magnetic stirrer with hot plate , melting point apparatus , digital water bath , double distillation set up , oil free suction pump , ultrasonic cleaner , micropipette , fume hood , department of english , hand mike , vacuum cleaner , department of physics , to estimate the wavelength & velocity of ultrasonic waves in a liquid by studying the diffraction through ultrasonic grating , to study the polarization of light for air glass interface , to verify fresnel’s formula for reflection of polarized light incident on a dielectric interface , to estimate the boltzmann constant using v i characteristics of pn junction diode , to determine the refractive index of glass & liquid by total internal reflection ( tir ) using wollaston’s air – film , to analyze elliptically polarized light by babinet’s compensator , to measure the dielectric constant of dielectric materials with variable frequency , to study the characteristics of a ferroelectric crystal , to determine the temperature coefficient of a semiconductor using ntc thermistor , to measure the susceptibility of paramagnetic solution , to measure the magnetic susceptibility of solids , determination of refractive index of a dielectric film using surface plasmon resonance , department of zoology , binocular , ph meter hpg 5 point system with lcd , sonicator bath , magnetic stirrer , microwave oven , balance: precision 10 mg to 200mg , balance: precision 0.10 mg to 10mg...