National Institute Of Technical Teachers Training And Research - West Bengal

34163602 notice inviting tender, sale of obsolete articles 1. vapour compressor and air conditioning system 2. instrumentation tutor unit for measurement of temperature and speed model ( unique ) 3. instrumentation tutor unit for measurement of displacement and strain 4. instrumentation tutor unit for measurement, vibration force, light, intensity with respect to distance, resistance and capacitance 5. instrumentation tutor unit for measurement of load, torque and pressure 6. instrumentation tutor unit for measurement of capacitance trainer 7. cnc train master lathe ( hmt ) 8. cnc train master machining centre ( hmt ) 9. printer ( hp desk jet 670c ) 10. dot matrix printer epson ( l.q. 1070t ) 11. electro discharge machine 12. china make star model lh011b multipurpose machining system with standard accessories 13. 4 stroke petrol engine 14 4 stroke diesel engine 15. 2 stroke petrol engine 16 screw conveyor 2 meters long 17. husk seperator 18. flow measurement and pipe friction apparatus 19. hp laserjet printer 2300 d 20 digital vibration indicator 21. scanner ( hp scan jet 3670 ) 22. dual trace oscilloscope 23. flat bed scanner ( hp 2400 ) 1. mortar vibration machine with accessories 2. transit oven 3. pundit ultra sonic concrete tester 4. rebar locator profometer ( proceq ) 5. resistivity meter ( proceq ) 6. bar tracker cover meter ( controls, uk ) with calibration test block 7. humidity cabinet 1. consolidation ( oedometer ) test apparatus 1. photochem calorimeter 2. systromics ph meter 1. ibm server x3400 xeon dual processor 2. wireless access point 1. multimedia dlp projector 2. router 3. laser printer 1. xeon based server 1. ups ( 15 kva ) 2. multimedia desktop1. portable reflector 30’x40’ with stand ( outdoor shooting ) 2. enlarger b2 modern manual focusing with 55 mm, 80 mm, & 105 mm lenses. 3. contract printing frame 4. developing tank universal 5. sound movie projector 16 mm keltron pj1160m ii 6. mamya 645 120 slr camera with accessories 7. 35 mm slr camera pentax k1000, body no. 6873847, lens no. 6097001 8. asahi pentax mz m 35 mm slr camera 35 80 mm lens 9. digital still camera kodak p880 with storage device 1 gb 10. motorized unit for nikon camera md 11. flash gun uno mat p300 tct auto twin reflector 12. flash gun vivitar 285 13. akai tape recorder 1710 w 14. dark room timer smith 15. scale weighing 16. film dryer agil model m ii 17. tele photo lens nikon 135 mm, nikkormat 18. wide angle lens 28 mm 19. telephone lens 200mm 20. uv filter for mamiya 645 21. lens hood for pentax 22. close up lens set ( 4 ) 23. macro lens 24. philips gooseneck unidirectional mic lbb9092 25. akg dynamic cardioid mic d2000 1 26. ahuja handled cordless mic awm690v 27. studio master cordless lavelier / tie type mic em ii / el ii 28. vcp thomson pth803 29. photo printer canon pixma ip 8500 30. beta sp one piece camcorder uvw – 100 pk 31. beta editing recorder / player uvw 1800 p 32. playback adapter model v a300p33. u matic 3 / 4’ vcr gcel 104 1 34. automatic edit control unit with control cable 35. dubbing cable 36. audio cable 37. digital plain paper copier with padestal km4050 38. digital multimeter 39. cable release 1. carbon residue apparatus 2. calorimeter: filter photo calorie meter ( 5 filter ) , analog, model no. 322, s. no. 97004069 ) 3. hand blower, electric ( 220 v ) 4. muffle furnace, electric 5. gas analyser complete set pt. electrodes “or set”. 6. gas analyser : spare slow combustion pipette with pt. electrodes 7. asbestos gloves ( 12” ) 8. gloves ( hand gloves ) 9. burner ( maker ) 10. hypso meter ( copper made ) , cap: 2 litters 11. flash point apparatus ( elec. heated with control ) 12. flash point apparatus ( gas heated with burner ) 13. burner ( techlu ) 14. air oven, range : ( 40o c to 250o c ) size: 12’x12’x14’ 15. bath: water bath ( 300x230x9 mm ) 16. oxygen cylinder ( medical type ) 17. gas cylinder ( indian oil corporation ) 18. gas regulator for gas cylinder 19. tong for crucible ( stainless steel ) 20. tong ( ni plated – 6’ ) 21. oxygen cylinder ( key spindle double ended ) 22. stand: rector ring ( 3” dia ) 23. stand: rector ring ( 6” dia ) 24. stand: rerort stand ( rod 3 / 8” ) 25. stand: boss head to fit the stand ( rod – 3 / 8” ) 26. stand: condenser clamp ( 3 finger type ) 27. spatula stainless ( one side flat & one side spoon ) 28. spatula horn ( 6” ) 29. spatula stainless ( both side flat ) 30. bio chemical melting point apparatus ( s. no. 7098 ) without manual 31. bath: water bath complete set ( as per order s. no. 10923 ) , acc. no. 01 32. test sieves with lid & receiver ( 8” dia x 2” ht ) , mesh no. : 20, 25, 30, 36, 40, 50, 60, 72, 80, 100, 120, 150, 200, 250, and 300 ) 33. lid & receiver for test sieves ( 8” dia x 2” ht ) 34. polythene welding iron 35. mortar & pestle ( iron ) 36. teak wood frame for bdh chemical 37. enamel tray ( 12” x 10” ) 38. blow lamp 39. centifuge, cap.: ( 4 x 15 ml ) 40. tool: trowel ( size 2 ) 41. gas generator ( elec. ) run by petrol / solvent with burner 42. ph meter : 0 14 ph ( digital ) , systronic, s. no. 1478 43. turbidity meter, e1 model no.: 331, s. no. 97006095 44. kit for estimation of arsenic 45. kit for estimation of nitrate 46. kit for estimation of phosphate 47. deioniser 48. lux meter: ( lx 101 model ) lutron make “taiwan” with manual 49. portable water & soil analysis kits ( digital ) deluxe model, model no. – 191e ( determination of ph. conductivity, temp., tds, do with manual ) 50. b.o.d. incubator: digital electronic temperature controller cum temperature indicator, temperature range 2oc to 50oc, accuracy 1oc complete with racks, inner chamber stainless steel, 51. auto exhaust analyser: co hc analyser with printer, model npm ch1, serial no.: 578 52. sound level meter digital lutron brand, model sl. 4001 complete with instruction manual and calibration screw driver with manual, 31 / 2 digit display. 53. ( a ) astm distillation apparatus ( for crude petroleum ) :ip 24 & astm d 2892 ( electrically heated model with voltage varrier control ) with manual ( b ) thermometer for above ( 1 ) ip 4c ( range 4 to 360o c ) ( c ) optional spares: ( i ) spare 100 cc distillation flask ( ii ) spare 100 cc receiver ( iii ) spare condenser54. ( a ) astm distillation apparatus ( for petroleum products ) :ip 123 & 1448 ( p 18 ) & astm d 86 82 ( electrically heated model with voltage varrier control and geared heated unit side or front type ) with manual. ( b ) thermometers for above ( i ) ip 5c ( range 2 to 300o c ) ( ii ) ip 6c ( range 2 to 400o c ) ( c ) optinal spares: ( i ) spare 100 cc cylinder ( ii ) spare 200 cc cylinder ( iii ) spare 125 cc flask ( iv ) spare 250 cc flask ( v ) spare nicrome element ( vi ) spare porcelain base ( vii ) spare asbestos board for electrical set ( 32 mm or 38 mm or 50 mm or 70 mm ) imported quality. 55. ( a ) atomic absorption spectrophotometer d2 lamp ( ultra pulse ) back ground corrector 1024 hz, software for operation & data processing and rs. 232 c interface port for direct connection to a computer, guaranteed performance better than 0.7 abs for 5 mg. / l copper solution with an rsd of less than 0.5%, air compressor, type – piston, motor h.p. ¾ volt / hertz / phase:230 / 50 / 1, max. pre psig 100, weight 15 kg., dimension 13” x 8” 15” ( hxwxl ) , computer power requirement 230v, ± 10%, 50 hz, 500 va ac, accuracy : + / 0.5 nm, bandwidth:variable from 0.1 nm to 2.0 nm, photometric range: 0 to 2.000 abs., photometric accuracy: + / 0.01 abs at 1 abs, hollow cathode lamps: frequency 512 hz, no. of lamps to be lit: 1 to 6 simultaneously, lamp holder to accept six lamps on turret, positioning is done automatically, computer, pentium cpu @133 mhz, 8 mb ram, 1 gb hdd, 1.44 mb fdd, colour monitor, 14 inch svga, 2 serial and parallel port, 1 mouse port, keyboard and mouse, std. operating system ms dos 6.22, printer ink jet with required accessories, sr. no. : 3282 / 0398. model chemito 203 with manual. 56. ( b ) nitrous oxide burner 57. ( c hollow cathode lamps ( as, cr / cu / co / fe / mn / ni, hg, cd, pb, p, ca / mg, na / k ) 58. ( d ) pre requisites ( required for the installation of the system ) ( i ) nitrous oxide cylinder with double stage regulator ( ii ) acetylene cylinder with double stage regulator ( iii ) servo voltage stabilizer, kva ( iv ) ss steel hood with exhaust fan including necessary fittings 59. flow measuring device by using venturimeter, orifice meter, rotameter & pitot tube ( closed circuit ) : ( i ) sump tank: 250 ltrs. ( approx. ) , material – fibre reinforced plastic, ( ii ) measuring tank:capacity – 30 ltrs., material – f.r.p. ( with ) piezometric tube ) ( iii ) monoblock pump: f.h.p. with necessary piping and control valves, ( iv ) measuring device: venturimeter, orifice meter, rotameter & pitot tube with inclined manometer, ( v ) manometer with stand. 60. pipe friction apparatus ( closed circuit ) ( i ) three pipes : different diameter ( ii ) cock tapping at 2 m distance ( iii ) supporting stand ( iv ) measuring tank of suitable capacity with drain valve & gauge glass ( v ) different manometer of 1 meter length without mercury ( vi ) centrifugal pump 61. centrifugal pump test rig. ( variable speed ) : ( i ) centrifugal pump 1” x 1” ( ii ) variable speed motor with control 1 h. p. ( iii ) pressure gauges for head measuremen ( iv ) power meter for motor power measurement ( v ) control valve for flow control ( vi ) control panel with various control mounted on it. 62. tilting flume, 4 meter long ( open type ) with accessories ( rs. 34, 400.00 ) 63. dot matrix printer ( model: tvse msp 345 ) , sr. no. 993918739 ( 23pin / 132 col / 300 cps 64. analytical balance: model : ab104 s, readability: 0.1 mg, max. capacity: 101g, repeatability: 0.1 mg, linearity: ± 0.2 65. loquid liquid extraction ( lab model ) glass column 3 inch dia x 4 ft. height liquid liquid separator gear pump. tank ( 1 x 1 x 1 ft. ) – 02 nos. with stand and necessary fittings. 66. cstr reactor ( lab model ) 67. plug flow reactor ( lab model ) : a tubular reactor pipe in the form of u tube of 400 mm long with 5 litres, cap: fed hopper fabricated from ss 316 grade 68. agitated batch crystalliser ( lab model ) : s.s. steel tank, size : 8 litres, with cooling coil and stirrer. 69. heat transfer through composite wall: composite wall assembly with digital electronic temperature measurement ( lab model ) 70 dr / 4000 uv vis spectrophotometer: 190 110 nm european power card ( includes single cell module, cell adapters, 1 inch matched quartz cells, carousel module with 1 inch, 4 position and 1 cm, 6 position inserts ) 71. flame photometer catalogue no.: or 301 ) with following optional accessories. 72. ( 1 ) optical filter, calcium 73. ( 2 ) optical filter, lithium 74. ( 3 ) compressor oil free 75. ( 4 ) tank, air reservoir 76. ( 5 ) filter, moisture 77. hot plate – operable on 220 / 230 v, ac, rectangular, electrical with energy regulator size: 12 inch x 10 inch 78. conductivity meter ( digital ) , up based with two cells of cell constant 1.0 & 0.1 systronics, product code: 103062, type 306, s. no. 899 79. ph meter ( digital ) , μp based with electrode, systronics, product code: 103611, type 361, s. no. 361 80. spectrophotometer ( digital ) , systronics with digital w / l display ( 340 990 nm ) , 10nm b / w, two position sample holder, product code: 101661, type 166, s. no. 698 81. continuous water distillation unit: capacity: 4.5 litres / hour, made: s. s. with condenser, single water still ( distillation ) , free standing, electrically operated, water still parts are made of stainless steel, having immersion water heater, raw water protection & electrical contril box. mounted on a sturdy ms stand. made of ss 304 ( single stage ) . 82. arsenic kit, make: hach, usa 83. water still table pattern ( barnstead type ) make: sonar, double wall, inside tank ( boiler ) & condenser made of s.s. capacity: 4 lit. / hour, load:4.0 kw 84. nephelo / turbidity meter, digital systronics, type 132, product code : 101327 85. dissolved oxygen meter ( portable ) , digital systronics, type – 312, product code: 103126 86. pipette washer, pp, pipette length 40 cm, tarsons 87. eco scan temperature meter 63 wires temp. meter with probe. 88. data logger for umidity & temperature recorder, model: rhtemp101, range: ( temperature: 40oc to +80oc, humidity: 0 to 95% ) , sn: m33071, make : madge tech, usa, pc interface cable: ifc 110 89. waterproof salinity tester, 0.10 – 10.00 ppt, accuracy – 2 % of full scale, resolution 0.1 ppt 90. dissolved oxygen meter ( bench top ) ( eutech, cat no. ecd01500 / 22, s. no. 244039 with 12v / 500 ma dc adaptor self stirring do / bod probe no. 13620 ssp, s. no. 233153 91. turbidity meter, type : bench top, make: eutech, cat no.: ectbdir1000, s. no. 411312 with 12v / 500ma dc adaptor cuvette sample: three nos., cat no. ectbdcuv03kt, calibration...

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...

Department of Higher Education - West Bengal

31057171 purchase of laboratory equipments and books for different departments of p. r. thakur govt. college, thakurnagar, gaighata, north 24 parganas, pin 743287 , department of chemistry laboratory instruments , digital conductometer with cell ( 1. conductivity range: 0 200?s with 1.0 cell constant 2. temperature: 0 1000c ( manual ) 3. display: 3 digits led4. resolution: 0.1?s 5. accuracy ( conductivity ) : ±1% of f.s. ± 1 digit6. power: 230 v ± 10% of 50 hz7. dimensions: 235 ( w ) x185 ( d ) x 85 ( h ) mm 8. weight: 1.2 kg ( approx. ) 9. accessories:1 cell constant, stand & clamp ) , digital potentiometer ( 1. range : ± 1.999 v2. readout : 4 digit led display3. storage : 2 digit led display, can store 0 100 values / 1000 in p.c. 4. accuracy : .001 volts5. power required : 230 v ac ± 10% 50 hz6. warming period : 5 minutes7. weight : 1 kg ( approx. ) 8. body : abs 9. dimension : 80 mm ( h ) x 235 mm ( w ) x 150 mm ( l ) 10. standard cell : 1.018 v inbuilt 11. accessories : sp ref + pt electrode, stand set & rod ) , visible spectrophotometer ( 1. wavelength range: 340 960 nm 2. wavelength accuracy: ±5nm 3. wavelength readout: 5nm4. wavelength display: dial5.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 ) concentration15. power: 230 v± 10%, 50 hz16. dimension : 420mm ( w ) x 310 mm ( d ) x 125 mm ( h ) 17. weight: 6.5 kg ) , colourimeter ( 1. wavelength range: 400 700nm with 8 optical filters 2. filter’s peak wavelength: 420, 440, 490, 520, 540, 570, 600, 700 nm3. measuring modes: %t, abs, conc & k factor 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 100mm ( h ) 15. weight: 1.5 kg ( approx. ) 16. accessories: ( a ) four test tubes ( b ) two glass cuvettes ) , digital balance ( rough ) ( 1. weighing capacity: 200 g2. accuracy: 1 mg3. large lcd with back light for easy view 4. easy access, all glass draft shield with doors that slide open effortlessly & quietly 5. different weighing units such as gm, ct, oz, counting mode etc. 6. integrated overload protection 7. one touch calibration for easy operation 8. optional rs 232 interface available to plug in pc for data collection or printer 9. pan size ( l ) 80 mm ) , digital ph meter ( 1. ph range: 0 14 ph2. millivolt range: 0 to ±1999mv 3.slope correction: 85% to 115%4. resolution: 0.01ph, 1mv in mv mode5. repeatability: ±0.01ph±1 digit for ph; ±1mv ±1 digit for mv 6. standardization range: ±1ph7. 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 hz10. dimensions: 235 ( w ) x 185 ( d ) x 85 ( h ) mm11. weight: 1.25 kg ( approx. ) 12. accessories: combined electrode, stand & clamp ) , vacuum desiccator ( 1. type: desiccator; sub type: vacuum2. material: premium plastic / polycarbonate 3. dia: 200 mm ) , magnetic stirrer ( 1. max speed: 1200 rpm 2. display: digital3. stirring capacity: 2l 4. heating capacity: 300 watt5. external dimensions: 200 x 225 x 185 mm 6. paddle dimension: 9 x 35 mm ) , conductivity cell, cell constant 1.0 ( glass body ) , conductivity cell, cell constant 0.1 ( glass body ) , mechanical shaker ( 1. bottle holding capacity: 08 ) , hot drier ( 1. material: plastic, 2.item dimension: 240mm x 50mm x 210mm ( approx.. ) ; working temperature: 60 – 550°c °c ; airflow: 350 – 550 l / min ; heat up time: 1 min ; cord length: 2 m ; 3. accessories: 1 piece baretool and reducing nozzle 3. 1800w input power ) , temperature controlled water bath ( digital ) ( 1. temperature range: rt+5 to 100°c; heating power: 1000w, 110v 2. intelligent temperature controller with pid program, digital display and functions of timing and over temperature protection. 3. no. of hole: 064. the electromagnetic draining valve with easy cleaning and changing of water facilities ) , hot air oven ( 1. temperature range: 50 2500c 2. body material: stainless steel 3. air circulation: forced air circulation 4. no. of chamber: 02 5. power consumption: 1000 watt 6. capacity: 28 l ) , analytical balance ( upto 4 decimal places ) ( 1. weighing capacity: 220 gm 2. repeatability: 0.1 mg 3. linearity: + / 0.2 mg 4. pan size of at series: 91 mm ( dia ) 5. automation grade 6. automatic touch key calibration ) , calorimeter ( 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 one thermometer holder is on the top of the wooden cabinet ) , chainometic balance ( 1.chainomatic balances with external alteration of weights up to 100 mg. 2. capacity: 200 g 3. readabilty: ±0.1 mg 4. flat beam with rider using facility ) , convection microwave oven with ceramic enamel cavity 21l ( 1.capacity: 0.7 cu.ft. / 21 liter, 2.heat source:convection3.power: power consumption ( microwave ) 4. 1200w 5. power source: 230v / 50hz 6. output power ( max ) : 2350w 7.power level:6 8.displaytype: led bar 9.control method: membrane 10.door opening type:handle 11. microwave distribution: turntable 12.cavity interior:ceramic enamel ) , department of geography laboratory instruments , prismatic compass 5 dia brass body with folding tripod metalic stand. , dumpy level 12 with mixed metalic body packed in fibre box with carring belt and folding tripod metalic stand . , levelling staff 4 meter long , 4 fold, alluminium, both side scaling in a ptfe basedcarrying case or nylon packing , measuring tape 30 meter in round fibre glass case . , ranging rod 1 metre long 2 pcs in a set , bicolour painting red and white , made of metalic pipe one side conical , arrow / chaining pin / / marking pin 6 9 inch long metalic each , department of microbiology laboratory instruments , colorimeter ( 400 nm to 700 nm with 8 optical filters ) digital photoelectric , laboratory hot plate , compound microscope ( 10x eye piece, objective with magnifying powers 10x, 40x and 100x ) , hot air oven ( digital ) 18 x 18 x 18 , water bath ( digital ) with various hole size , department of physics laboratory instruments , amplitude modulation , demodulation, transmission, receiver trainer kit ( +9 v d.c. at 100 ma, ic regulated power supply internally connected carrier generator circuit which generates carrier wave modulating circuit based on two transistors demodulating circuit adequate no. of other electronic components mains on / off switch, fuse and neon jewel light the unit is operative on 230 v±10% at 50 hz a.c. mains adequate no. of patch cords stackable from rear both ends 2 mm spring loaded plug length 1 / 2 metre good quality, reliable terminal / sockets are provided at appropriate places on panel for connections & observation of waveforms strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references ) , frequency modulation , demodulation, transmission, receiver trainer kit±12v d.c. at 100 ma, ic regulated power supply carrier generator circuit which generates the carrier signal audio frequency modulating signal variable d.c. is provided to see the frequency deviation in carrier frequency frequency modulation circuit with buffer stage at the output demodulating circuit adequate no. of other electronic components mains on / off switch, fuse and jewel light the unit is operative on 230 v±10% at 50 hz a.c. mains adequate no. of patch cords stackable from rear both ends 4 mm spring loaded plug length 1 / 2 metre good quality, reliable terminal / sockets are provided at appropriate places on panel for connections & observation of waveforms strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references , pulse analog modulation, ( pam, pwm, ppm ) trainer kit ( pulse modulation techniques: pulse amplitude modulation pulse width modulation pulse position modulation on board sampling frequencies ( pulse ) : 8khz, 16khz, 32khz, 64khz on board generator: 1.sine wave: 1khz & 2khz ( gain adjustable ) 2.square wave: 1khz & 2khz ( optional ) low pass filter: 4m order vw filter voice communication: voice link using dynamic mic & speaker ac amplifier with adjustable gain control dc out put: 4 v ( variable ) switched faults : 8 nos. interconnections: 4mm banana sockets test points: 29 power supply: 220v â±10%, 50hz included: manual , set of patch cords, line cord, microphone, head phone experiments : pam using natural & flat top sampling samples, sample & hold & flat top out puts in pam. ppm using dc & ac ( sine wave ) modulating signals. pulse position demodulation pulse width modulation &demodulation ) , digital modulation , trainer kit ( to study the digital modulation techniques for three different modulations , to study ppm modulation and its demodulation, to study pwm modulation and its demodulation, to study tdm multiplexer ) , dc power supply ( 0 volt 24 voltvariable range , ( best quality & branded ) ) , dc power supply ( 0 a 10 a variable range, ( best quality & branded ) ) , digital volt meter ( variable range, both a.c and d.c ( best quality & branded ) ) , digital ameter ( variable range, both a.c and d.c ( best quality & branded ) ) , digital multimeter ( 1000v ac / dc; 10a ac / dc ( with test leads and current jacks ) ; resistanceto 50 m?; capacitance to 10, 000 ?f, frequency to 100 khz;temperature from 40 ? to 400 ?robust, fast and accurate with manual and automatic ranging, display hold, auto hold, and min / max average recording backlit digital display, analog bar graph, and built in temperature measurements with included thermocouple. ) , he ne laser ( wavelength ( nm ) : 632.8static alignment: centered to outer cylinder: ±0.01 parallel to outer cylinder: ±1.0 mrad beam diameter tolerance ( % ) : ±3 beam divergence tolerance ( % ) : ±3 color: red mode purity ( temoo ) : >95% operating humidity: 0 to 100%, non condensing operating temperature ( °c ) : 40 to +70 output type: free space spatial mode: tem00 storage temperature ( °c ) : 40 to +150 ) , solid state laser ( wavelength:488 nmoutput power:0.05 woperating current:105 to 135 maoperating voltage:6 to 7.5 vthreshold current:40 to 60 ma ) , to determine work function of material of filament of directly heated vacuum diode ( full set up ( best quality & branded ) ) , measurement of planck’s constant using black body radiation and photo detector ( full set up ( best quality & branded ) ) , to determine the ionization potential of mercury ( full set up ( best quality & branded ) ) , to setup the millikan oil drop apparatus and determine the charge of an electron ( full set up ( best quality & branded ) ) , to determine the coupling coefficient of a piezoelectric crystal. ( full set up ( best quality & branded ) ) , to study the characteristics of a ferroelectric crystal. ( full set up ( best quality & branded ) ) , to measure the magnetic susceptibility of solids. ( full set up ( best quality & branded ) ) , to determine the complex dielectric constant and plasma frequency of metal using surface plasmon resonance ( spr ) , to determine the value of e / m by bar magnet. ( full set up ( best quality & branded ) ) , to measure the dielectric constant of a dielectric materials with frequency ( full set up ( best quality & branded ) ) , measurement of susceptibility of paramagnetic solution ( quinck`s tube method ) ( full set up ( best quality & branded ) ) , photo electric effect: photo current versus intensity and wavelength of light; maximum energy ( full set up ( best quality & branded ) ) , to determine the absorption lines in the rotational spectrum of iodine vapour ( full set up ( best quality & branded ) ) , to determine the wavelength and velocity of ultrasonic waves in a liquid ( kerosene oil, xylene, etc. ) by studying the diffraction through ultrasonic grating. ( full set up ( best quality & branded ) ) , to study the reflection, refraction of microwavesdependence of radiation on angle for a simple dipole antenna. ( full set up ( best quality & branded ) ) , to study polarization and double slit interference in microwaves. ( full set up ( best quality & branded ) ) , to analyze elliptically polarized light by using a babinet’s compensator ( full set up ( best quality & branded ) ) , to determine the temperature coefficient of resistance by platinum resistance thermometer using constantcurrent source ( full set up ( best quality & branded ) ) , to determine mechanical equivalent of heat, j, by callender and barne’s constant flow method ( full set up ( best quality & branded ) ) , to determine the coefficient of thermal conductivity of cu by searle’s apparatus ( full set up ( best quality & branded ) ) , to determine the coefficient of thermal conductivity of cu by angstrom’s method ( full set up ( best quality & branded ) ) , digital ic 741, ( best quality & branded ) , digital ic 7404, ( best quality & branded ) , digital ic 7408, ( best quality & branded ) , digital ic 7408, ( best quality & branded ) , digital ic 7409, ( best quality & branded ) , digital ic 7432, ( best quality & branded ) , digital ics 7400, ( best quality & branded ) , digital ic 7410, ( best quality & branded ) , digital ic7486, ( best quality & branded ) , digital ic 7476 ( best quality & branded ) , department of physiology laboratory instruments , student compound microscope with 10x, 40x, 100x and 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 parfocal achromatic 10x, 40x, 100x, oil immersion; condensor built in substage condenser with iris diaphragm. branded, best quality ) , kymographis drum ( branded, best quality ) , kymographis stand ( branded, best quality ) , voltage eleminator ( 230 ac converted to 3 12 dc ) ( branded, best quality ) , marriote bottle ( branded, best quality ) , snellens chart ( branded, best quality ) , ishihara test chart book for colour deficiency with 38 plates ( branded, best quality ) , digital hand grip dynamometer ( high precision power gauging gives momentary digital read outs of gripping power. auto capturing of maximum achieved grip power and display of the value. assessment of results according to age and gender group. saving storage and retrieval of results for different users. weight capacity: 90kg / 200lb needs 2 x 1.5v aaa batteries, branded, best quality ) , digital spirometer ( battery type : 1.2 ah , battery voltage : 12 voltage, brand name : rms, charging time : 3 hours, frequency hz : 50 + / 10%, item weight kg : 1.8, memory : sdhc card: 4 gb, ram: 2 gb, harddisk: 40 gb, model text : helios 702, pixels : graphics display: 320 x 240, size mm : printing: 80 mm ( rolled ) voltage range : 220 240 volt.high resolution color graphic tft built in thermal printer, storage for 2500 patient data fvc, svc and mvv test , evaluation of 51 vital parameters with interpretation, facility to download data to pc. branded, best quality ) , department of zoology laboratory instruments , simple dissecting microscope ( 1. magnification: 10x, 15x, 20x2. eyepiece 10x, 15x, 20x 3. light source: rotating mirror4. body material: brass body ) , microcentrifuge including 24 places rotor for 2ml tubes ( 1. max. rpm / rcf: 15, 000 / 21206xg2. max. capacity: 24 x 2.0 ml3. time control: pulse, timed <100 mins or continuous 4. rpm / rcf conversion: yes5. nosie level: <60 db6. programme memory: 1007. display: blue lcd 8. safty lid lock: yes9. lid drop protection: yes 10. automatic door release at completion: yes11. powe supply: 220v / 50 hz12. power requirement: 440va13. acc / dec ( sec ) : 5 / 6 steps ) , haemocytometer set ( 1. set must includes oneimproved neubaeur counting chamber, two 0. 5mm cover glasses, one red cell pipette, one white blood cell pipette, tubing, mouthpieces and carrying case.2. counting chamber type: 2 cell silverlite counting chamber ( isi mark ) with improved neubaeur ruling is 10269 / bs 7483. counting chamber must be mirror based4. pipette type: indian rbc & wbc pipettes ) , sahlis haemoglobinometer ( complete set must consisting of: 1. polystyrene support with 2 coloured rods and opal glass plate 2. comparator tube 3. haemoglobin pipette 20 ?l acc. to sahli 4. silicone tubing of approx. 16 cm length 5. white mouthpiece 6. dropping pipette with rubber teat 7. stirring rod 8. acid vial 9. cleaning brush 10. directions for use ) , hot plate ( 1. top plate materials: ceramic2. top plate dimension: 18 x 18 cm 3. heating temp range: 150°c 500°c 4. maximum load capacity: 11kg 5. dimension: 19 x 11 x 21 cm ) , motorless magnetic stirrer with magnetic stirrer bar ( 1. stirring speed:100 1000 rpm2. stirring volume: 3 liters 3. stirring position: 1 ( one ) 4. top plate dimension: 12 x 12 cm 5. magnetic stirrer bar type: octagon 6. magnetic stirrer bar dimension and quantity: assorted i.e., 2 pieces each of 8x14mm, 8x22mm, 8x30mm, 8x40mm, and 1 piece each of 8x50mm, 8x65mm ) , magnetic stirrer with magnetic stirrer bar ( 1. stirring speed:100 1000 rpm 2. stirring volume: 1 liters3. stirring position: 1 ( one ) 4. top plate dimension: 10 x 10 cm 5. top plate meterial: ceramic6. magnetic stirrer bar type: octagon7. magnetic stirrer bar dimension and quantity: assorted i.e., 2 pieces each of 8x14mm, 8x22mm, 8x30mm, 8x40mm, and 1 piece each of 8x50mm, 8x65mm ) , gel caster for submarine electrophoresis unit ( 1. should accomodates 7×10 cm & 15×10 cm gel casting tray2. should have rubber pad on both inner side3. should be used for both mini and midi submarine gel casting 4. should level adjustable knob ) , compund microscope ( 1. body horse shoe type body2. objective lense: hard anti reflection coated colour coded parfocal achromat: 10x 40x and 100x ( spring loaded oil immersion ) 3. condenser sub stage abbe condenser of 1.25 n.a focusable with rack and pinion; fitted with as iris diaphragm and filter holder ( for blue filter ) to facilitate optimum adjustment of light 4. illumination plano concave mirror 5. focusing: by coarse and fine focusing knobs 6. stage: graduated mechanical stage 120 x 125 mm with convenient adjustment for manipulation of slides 7. eyepiece ( 10x ) : widefield eyepiece ( nwf 10x ) 8. nosepiece: quadruple nosepiece with positive click stops for precise and smooth alignment of objectives ) , uv transilluminator ( 1. wavelengths: 254 nm and 365 nm 2. power: 6 w 3. number of tubes: 6 4. limit of detection: 0.1ng stained dna 5. filter area: ( 20 * 20 ) sq.cm. 6. body construction: powder coated ms ) , semi autoanalyser ( 1. flow cell: quartz flow cell 32 ul2. resolution: 0.001 abs ( display ) , 0.0001 abs ( calculation ) 3. lamp: 6v 10w4. measurement range: 0 to 2.5 abs5. temperature control: peltier 37deg c, 30 deg c, 25 deg c and room temperature6. repeatability: greater and equal 1%7. power requirement: ac 220 v a 15% 50 60 hzl 100w8. wavelength range: 340nm 700nm 9. filter wavelengths: 340, 405, 505, 546, 578, 630nm + 2 free position 10. wavelength precision: + 2nm 11. memory: 150 programs and 1500 results 12. sample volume: 1 9999 uf13. assays: clinical, special proteins, drugs of abuse, therapeutic drugs, electrolytes 14. type of system: semi automatic15. details: inbuilt multifunctional incubator 16. windows embedded compact 7 operating system, ddr2 sdram: 1g bit, flash: 256 mb.17. 7.0 inch true color touch screen ( 800 480 pixels ) with pop up keypad ) , deep fridge 20 ( 1. fast freezing & cfc free2. eco friendly refrigerant – 134a 3. temperature range = 18°c 4. corrosion resistant body 5. heavy duty castor wheels 6. capacity: 310 lit 7. led indicator for power and compressor function 8. in built door light9. pp inside lining 10. wired basket 11. external condenser 12. elegant outside handle & inbuilt lock ) , hot air oven ( 1. temperature range: 50 2500c 2. body material: stainless steel 3. air circulation: forced air circulation 4. no. of chamber: 02 5. power consumption: 1000 watt6. capacity: 28 l ) , convection microwave oven with ceramic enamel cavity 21l ( 1.capacity: 0.7 cu.ft. / 21 liter, 2.heat source:convection3.power: power consumption ( microwave ) 4. 1200w5. power source: 230v / 50hz 6. output power ( max ) : 2350w7.power level:68.displaytype: led bar 9.control method: membrane10.door opening type:handle11. microwave distribution: turntable 12.cavity interior:ceramic enamel ) , books of all departments , bengali version indian publishers ( enter rebate in percentage please do no enter % symbol ) , bengali version foreign publishers ( enter rebate in percentage please do no enter % symbol ) , english version indian publishers ( enter rebate in percentage please do no enter % symbol ) , english version foreign publishers ( enter rebate in percentage please do no enter % symbol ) ...

Eastern Railways - West Bengal

23643641 supply of , a set of consumables for q100 spectrometer instruments as follows : 1. sample holder high temperature cups as per part no. p 10524, 1000 nos per pack, qty = 03 packs. 2. standard base oil to part no. cs 75 500gms, 500 ml pack. qty : 1 bottle. 3. standard oil to part no. cs 22 100 200, 200 gm pack. qty : 1 bottle. 4. standard oil sma 900 ppm to part no. (ba, zn, ca, p, mg), 200 ml pack. qty : 1 bottle....

Eastern Railways - West Bengal

22559687 supply of a set of consumables for q100 spectromet [a set of consumables for q100 spectrometer instruments as follows : 1. sample holder high temperature cups as per part no. p 10524, 1000 nos per pack, qty = 03 packs. 2. standard base oil to part no. cs 75 500gms, 500 ml pack. qty : 1 bottle. 3. standard oil to part no. cs 22 100 200, 200 gm pack. qty : 1 bottle. 4. standard oil sma 900 ppm to part no. (ba, zn, ca, p, mg), 200 ml pack. qty : 1 bottle.], a set of consumables for q100 spectrometer instruments as follows : 1. sample holder high temperature cups as per part no. p 10524, 1000 nos per pack, qty = 03 packs. 2. standard base oil to part no. cs 75 500gms, 500 ml pack. qty : 1 bottle. 3. standard oil to part no. cs 22 100 200, 200 gm pack. qty : 1 bottle. 4. standard oil sma 900 ppm to part no. (ba, zn, ca, p, mg), 200 ml pack. qty : 1 bottle....

Eastern Railways - West Bengal

22283896 supply of a set of consumables for q100 spectromet [a set of consumables for q100 spectrometer instruments as follows : 1. sample holder high temperature cups as per part no. p 10524, 1000 nos per pack, qty = 03 packs. 2. standard base oil to part no. cs 75 500gms, 500 ml pack. qty : 1 bottle. 3. standard oil to part no. cs 22 100 200, 200 gm pack. qty : 1 bottle. 4. standard oil sma 900 ppm to part no. (ba, zn, ca, p, mg), 200 ml pack. qty : 1 bottle.], a set of consumables for q100 spectrometer instruments as follows : 1. sample holder high temperature cups as per part no. p 10524, 1000 nos per pack, qty = 03 packs. 2. standard base oil to part no. cs 75 500gms, 500 ml pack. qty : 1 bottle. 3. standard oil to part no. cs 22 100 200, 200 gm pack. qty : 1 bottle. 4. standard oil sma 900 ppm to part no. (ba, zn, ca, p, mg), 200 ml pack. qty : 1 bottle....

Northeast Frontier Railway - West Bengal

21973827 supply of sample holder, sample holder (disposable) high temperature suitablet e for sprectometer model no. spectroll l of usa drg.no.: m/s towa optics (india) pvt.ltd. part no.10524 o...

Department of Higher Education - West Bengal

18634985 supply of equipment for zoology department : 3.01 spectrophotometer. digital.301e range : 340 960 nm with facility for automatic concentration, percentage transmission & od measurement. wavelength resolution 5 nm.3&1 / 2 digit led display with round test tube. range 340 to 960 nm resolution 0.1 % t, abs :0.001 conc. :1 output % t : 0 to 100 %, abs: 0 to 1.999, conc. : 0 to 1999 detection silicon photodiode light source6v, 10w, tungsten halogen lamp monochromator 600 lines / mm holographic grating sample holder 10 mm test tubes spectral bandwidth 10 nm wave length resolution 5 nm wave length accuracy ± 2.5 nm repeatability ± 2 nm recorder output available display 3 ½ digit bright red led display operating temp.50 c to 450c power230v± 10% ac, 50hz dimensions l 490 x b 300 x h 165 mm ( approx. ) weight 8.5 kg. ( approx. ) accessories :test tubes ( 10 mm path length ) :1 set dust cover : 1 no. 4.01 colorimeter. digital. 8 filter digital photo colorimeter model 312 is a compact & easy to operate instrument for colorimetric analysis of a solution of any concentration. output is available on the digital display in terms of optical density ( absorbance ) . this is a unique system that combines convenience with accuracy & precision in analysis. the instrument includes a wide range of filters covering wavelength from 400nm to 700nm in the form of built in filters. the filter setting is controlled by a rotating disc. technical specifications: accuracy: + 0.02 o.d reproducibility : 0.01 o.d stability : + 0.01 o.d per hour amplifier : ic based display : 2.5 digit led display can read upto 1.99 o.d sample: 1.0 ml power supply : 230v ac mains weight : 4 kg approx. dimensions : l305xb245xh180mm approx....

Department Of Higher Education And Training - West Bengal

18287589 tender for department of chemistry : 37. bod incubator ( b.s.i br. ) pc / 38. electrical melting point bath ( kaypee ) . pc / 39. electrical hot plate with magnetic stirrer 5mldx / mt 300 / pc. inco remi minato 40. water bath alluminium / pc. 41. sand bath alluminium. 6 inch. pc / 42. shaker 250ml. cap. with khan racks with adjastment & special control at least 15 bottles to be set at a time complete with all accessories. pc / 43. double distilted water set ( rivira ) . pc / 44. digital humidity measurement instrument ( mention specification ) . 10 inch 1 ft. 1.5 ft.45. sprayer with rubber bulb ( glass made ) best quality. pc / 46. mealting point apparatus electrical heating. pc / 47. test tube with rim 120mm. x 15mm. gross / 48. fussion tube best quality. gross / 49. digital electrical balance, model k 200 / 300 ( k.roy ) sen. 0.01gm. pc / 50. digital electrical balance, model mk 200e, cap 200, sen. 0.001gm. ( adair dutt ) pc / 51. digital electrical balance, cap 300gm. sen. 0.001gm. ( sartorius ) 52. hand ph meter ( hanna ) . pc / 53. thermometer 00 1100 ( zeal ) . pc / 54. thermometer 00 3600 ( zeal ) . pc / 55. silicon tubing for distillation. ( borosil ) size 10mm.id x 14mm.od metre / 56. digital weather temperature measurement instrument ( mention specification ) . pc / 57. visible spectro photometer ( 340nm.x 990nm. ) with two position sample holder m 167, complete with all acecssories, with cover. pc / 58. hot air oven ( osaw 12``x 12``x 14`` ) or ( digitech 12``x12``x14`` ) ....

Indian Institute Of Technology - West Bengal

17799132 tender for supply of equipment din abrasion : 1 standard abrasion tester in compliance with iso 4649, astm d5963 ( din 53516 ) standards. 2 general technical data dimensions of test piece ø16 mm x 6 mm to ø16 mm x 15 mm clamping force of test piece 2.5 n; 5.0 n; 7.5 n; 10.0 n abrasion path / rotations of the roller 20 m / 42 r ( rotations ) , 40 m / 84 r speed of rotating test piece 0.9 rpm speed of roller 40 rpm feed 4.2 mm / r peripheral speed 0.32 m / s angle of inclination of sample holder 3° roller diameter 150 mm roller width 460 mm 3 calibration certificate the machine must be calibrated by manufacturer with iso 17025 certificate 4. test type test with or without sample holder rotation 5. additional accessories one set of unchecked abrasion sheets 474 x 402 mm consisting of 5 abrasion sheets, incl. 1 roll of double sided adhesive tape ( k28 00051 ) 0, 1 x 50 mm x 50 m temperature resistant up to 175 °c circular cutting device consisting of: circular cutting knife holder circular cutting knife of ø 16, 2 mm abrade steel sample for seasoning the new abrasion sheets cleaning brushes for abrasion tester 1 set of 10 pieces vacuum cleaner for abrasion tester including 10 fleece vacuum bags 6. optional accessories heater for samples, room temperature up to 60 degrees celsius, option for the abrasion tester...

Northest Frontier Railway - West Bengal

17111175 tender for sample holder (disposable) high temperature suitable for sprectometer model no. spectroll l ofusa drg.no.: m/s towa optics (india) pvt. ltd. part no.10524 o...

Government College - West Bengal

16956236 supply of high temperature set up working temperature 1000 c accuracy c pid controller appropriate sample holder for working upto 1000 c with data acquition software...

Government College - West Bengal

16749710 tender for high temperature set up working temperature 1000 c accuracy c pid controller appropriate sample holder for working upto 1000 c with data acquition software ...

Northest Frontier Railway - West Bengal

16686964 tender for sample holder (disposable) high temperature suitable for sprectometer model no. spectroll l ofusa drg.no.: m/s towa optics (india) pvt. ltd. part no.10524 o...

Kolkata Municipal Corporation - West Bengal

15932880 tender for electrical accessories gr. c for the f / y 2018 2019: holder for 15owt.i 25owt / 400wt. h.p.s.v. lamp as per sample., holder, for 70 waits, hups.v lamp. as per sample., p.v.c. insulated adhesive tape ( 18119mm x 9 / 10 mt ) rediyellow / blue / black, f ire retardant tape, make anchor / khaitan i bentec, 63 amp. 500 volts porcelin fuse unit.. comp. with bridge., 100 amp.500 volts porcelin fuse unit. comp.with bridge....

Government College - West Bengal

15409368 supply of equipment and instruments 37. bod incubator (systronics, 38. electrical melting point bath (kaypee, 39. electrical hot plate with magnetic stirrer 5mldx/ mt 300/pc, 40. water bath alluminium / pc, 41. sand bath aluminum. 6 inch, 42. shaker 250ml. cap. with khan racks with adjustment & special, 43. double distilted water set (rivira) , 44. digital humidity measurement instrument, 45. sprayer with rubber bulb (glass made) best quality, 46. mealting point apparatus electrical heating, test tube with rim 120mm. x 15mm, 49. digital electrical balance, model k 200/300 (k.roy) sen. 0.01gm, 50. digital electrical balance, model mk 200e, cap 200, sen. 0.001gm. (adair dutt), 51. digital electrical balance, cap 300gm. sen. 0.001gm.(sartorius), 52. hand ph meter (hanna, 53. thermometer 00 1100 (zeal), 54. thermometer 00 3600 (zeal), 55. silicon tubing for distillation.(borosil) size 10mm.id x 14mm.od, 56. digital weather temperature measurement instrument,57. visical spectro photometer (340nm.x 990nm.) with two position sample holder m 167, complete with all acecssories, with cover, 58. hot air oven (osaw 12``x 12``x 14``) or (digitech 12``x12``x14``), 59. all glass single distillation unit, with borosilicate boiler, borosilicate condenser & quartz heater, horizontal type. cat, 60. ph paper, 61. dropper with teat, 62. non absorbent cotton / 400gm, 63. innoculating needle, 64. soil thermometer, 65. blotting paper, 66. cover slip (18mm. + 22mm, 67. zelderl apparatus with single condencer, 68. vacuum diaphragm pump, model 0.20 (takashi), 69. bench top ph meter, model ecm 710,(seshin biotech) or (eutech, mo ecphtutor d), 70. uv vis spectro photometer, model optizen pop (mecasys)or intech li 295, 71. digital wind vane (lutron), 72. soil shaker, 73. digital noise meter, sound level 1 metre, model sl 4001 (imported),...

Eastern Railways - West Bengal

11941137 supply of micro processor photoelectric calorimeter with 8 glass filters covering range of 400 700 nm with facility for auto concentration percent transmission, absorbance and k factor measurement. it has 16x2 line lcd data display, its sample holder accommodates glass test tubes of 10mm path length. facility has been provided for 100 sample data storage and interface for any centronics printer. make: ei model : 1312ei or similar....

Eastern Railways - West Bengal

11751828 micro processor photoelectric calorimeter with 8 glass filters covering range of 400 700 nm with facility for auto concentration percent transmission, absorbance and k factor measurement. it has 16x2 line lcd data display, its sample holder accommodates glass test tubes of 10mm path length. facility has been provided for 100 sample data storage and interface for any centronics printer. make: ei model : 1312ei or similar....

Eastern Railways - West Bengal

11607123 micro processor photoelectric calorimeter with 8 glass filters covering range of 400 700 nm with facility for auto concentration percent transmission, absorbance and k factor measurement. it has 16x2 line lcd data display, its sample holder accommodates glass test tubes of 10mm path length. facility has been provided for 100 sample data storage and interface for any centronics printer. make: ei model : 1312ei or similar....

University Of Calcutta - West Bengal

11501322 supply of laboratory equipments for physics dept., ( 1 atomic force microscope 2 field emission scanning electron microscope 3 picosecond fluorescence life time spectrometer 4 nanosecond ndyag pulsed laser 5 z scan system ( suitable for item no 3 ) 6 muffle furnace with temperature controller 7 sputter coating unit 8 lcr meter 9 water purification system 10 moke hysteresis loop tracer 11 electromagnet ( suitable for item no. 10 ) 12 vibration isolation table 13 scanning tunneling microscope 14 dip coating unit 15 nitrogen gas generator with compressor 16 horizontal tube furnace 17 grinding jar / bowl with safety closure devices 18 grinding ball 19 dual frequency gps receiver ( rugged ) 20 2 3 metre radio telescope 21 tripple frequency gps receiver 22 dual frequency scintillation receiver 23 ccd camera 24 solid state photometer 25 softpal vlf receiver 26 ultramsk receiver 27 ultramsk software 28 fabry perot interferometer 29 detector for he ne laser 30 flourescence cell uv 31 probe ( including heating arrangements ) for temperature dependent hall effects apparatus 32 franck hertz tube / valve 33 measurement of dielectric constant 34 measurement of magnetoresistance 35 power supply 36 mach zehnder modulator10 ghz with controller and biasing arrangement 37 catv analyzer 38 catv signal generator 39 ber tester 40 prbs generator 41 ic hd74ls76 42 electronic breadboard 43 resistance box 44 rotary vane vacuum pump 45 electrode of ph meter 46 zero background sample holder for xrd experiments 47 portable digital ph meter 48 vacuum desiccators 49 spatula 50 spatula 51 magnetic stirrer bar 52 grating 53 filter 54 lamp 55 sealed battery for online ups 56 electrical dryer 57 electric drill machine with bits 58 10 kva isolation transformer 59 10 kva servo controlled voltage stabilizer 60 10 kva online ups )...

Eastern Railways - West Bengal

11430357 micro processor photoelectric calorimeter with 8 glass filters covering range of 400 700 nm with facility for auto concentration percent transmission, absorbance and k factor measurement. it has 16x2 line lcd data display, its sample holder accommodates glass test tubes of 10mm path length. facility has been provided for 100 sample data storage and interface for any centronics printer. make: ei model : 1312ei or similar....

Eastern Railways - West Bengal

11313235 micro processor photoelectric calorimeter with 8 glass filters covering range of 400 700 nm with facility for auto concentration percent transmission, absorbance and k factor measurement. it has 16x2 line lcd data display, its sample holder accommodates glass test tubes of 10mm path length. facility has been provided for 100 sample data storage and interface for any centronics printer. make: ei model : 1312ei or similar....

Indian Institute Of Technology - West Bengal

8860669 procurement of analytical ultracentrifuge ( auc ) with accessories:1 detection requirement 2 rotors 3 sample holder 4 temperature control 5 speed control 6 compliance 7 scanning uv / visible detection systems specification 8 rayleigh interference specification 9 application capability 10 pc controller data analysis 11 accessories to be provided 12 power requirement 13 provision for future upgradability 14 tool kit 15 cpu and software 16 uniterrupted power supply ( ups ) : optional item...

Government College For Women - West Bengal

8062623 supply of thermostatic aquarium, lan software lab, smart board with sensor, visualize, sound, sit bench, software package, uv vis single beam spectrophotometer, sample holder for spectrophotometer, pc and printer, bislinto access, soft, daq....

Indian Institute Of Technology - West Bengal

6877860 tender for supply of equipment “dynamic mechanical analyser (dma) specifications for tender” deformation modes required temperature range (with liquid nitrogen) heating rate temperature resolution modulus range frequency range force range (dynamic) force resolution displacement/ amplitude range (dynamic) displacement/amplitude resolution operating atmosphere power supply requirements software sample dimension requirements tensile sample holders for accessories required additional accessories preferred installation & warranty...