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Tender For purchase of various apparatus/instruments required for department of chemistry, chaudhary ranbir singh university, jind - rota-evaporator the rota-vapour should have a vertical condenser for standard applications with cooling surface area of 1500 cm2 or better with a protection class of ip20 or better. the rotation speed of the instrument should be 20-280 rpm or better. the water bath should have controlled temperature range of heating within a range of 0-90oc or better with a capacity to accommodate evaporating flask from 50-4000 ml with same joint. all glass components should be made of borosilicate 3.3 glass. digital interface of 4 inches or better to facilitate monitoring of temperature, speed and vaccum. there should be a provision of power cut off when actual temperature exceeds set temperature or by rapid temperature increase. the system should have timer function to regulate the time of the process and automatic aeration when pressure reaches above 1400 mbar. the entire system should have ce/csa approvals. the vaccum pump should be made up of chemically resistant ptfe diaphragm vacuum pump with a suction capacity of 1.5m3/h or better with 2(2) number of steps(heads). the final vaccum should be 7-10 mbar. the recirculating chiller should be of 3l capacity with a working temperature range of room temperature to -10oc and a cooling capacity of 500 w at 15oc., ft-irthe ftir instrument should have transmission interface which provides classic infrared sampling for the measurement of solids, liquids or gases. the transmission module is purgeable and preferable to come with a standard cardholder. the scan range should be from 8000-350 cm-1 with a spectral resolution of 0.5cm-1 or better. the signal to noise ratio: 35000:1 or better. the system should have michelson type/ rock solid/self-compensating, dynamically aligned interferometer which removes any tilt and shear scanning error with 10 years warranty on interferometer. the system should have temperature stabilized or dtgs detector/ temperature control dlatgs detector. kbr/ znse beam splitter to meet complete spectral range. the system should be operable through a windows 10 compatible software with self-diagnostic after initialization, provision for creation of library. the software should have spectral, peak and text search function. the software should be capable of comparing spectrum, quantification and photometric data. there should be a provision of digital humidity level monitoring in internal optics through software and customized template. the system should be supplied with following accessories.hydraulic press for kbr pellet preparation software recognize diamond atr accessory with force monitoring for quick analysis of different sample) solid, liquid, paste and gels) of food, raw material, packaging material etc.installation, familiarization at installationpccorei5, 4gb ram, 1 tb hdd, 18.5 led/lcd, windows 10 , uv visible spectrometer microprocessor based wavelength range: 190 to 1100 nm with 7-8 inch led display. the system must have pre-programmed methods for water parameters which should be compatible with available reagents for the water testing. system should be true double beam uv-visible spectrophotometer with 8-cell changer the monochromator should be blazed czerny-turner type with 1200 lines/nm blazed grating. the detector should have si-diodes/ccd. system should have wavelength range from 190 to 1100 nm or better system spectral bandwidth should be 1 nm (190 to 1100 nm) wavelength setting should be 0.05 nm wavelength accuracy should be 0.3 nm wavelength repeatability should be 0.1 nm or better scan speed max 6,000 nm/min or better photometric range absorbance : -4 to 4 abs transmittance range should be : 0 % to 400 % photometric accuracy should be less than 0.005 abs at 1.0 abs light source tungsten halogen lamp & deuterium lamp photometric repeatability 0.0002 at 0.5 abs baseline stability: 0.0003 abs/h operating system (os): system should have to
Tender For supply of various items for the dhr project entitled molecular biology applications research and diagnostic techniques - laboratory items, pc based true double beam uv-visible spectrophotometerspecification:1. optical system: czerny-turner mounting, single monochromator, double- beam system, 1,300 lines/mm, 240 nm blazed holographic grating 2. light source: deuterium lamp and tungsten-halogen lamp 3. detector: r-928 photomultiplier tube 4. wavelength range: 185 to 900 nm or higher 5. wavelength accuracy: 0.1 nm (656.1 nm) 6. wavelength repeatability: 0.05 nm 7. spectral bandwidth: 0.1, 0.2, 0.5, 1, 2, 5 nm in steps 8. resolution: 0.1 nm 9. stray light: max. 0.005 %t (220 nm nai) 10. mode: abs, %t, %r, 11. photometric range: -5 to 5 abs12. noise level: 0.00003 abs rms (500 nm) 13. wavelength slew rate: 14000 nm/min 14. wavelength scan rate: 4000 to 0.5 nm/min 15. below items must be supplied along with the main instrument:a) one pair of cuvettes, 10 mm path length, 3.5 ml volumeb) integrating sphere attachmentwavelength range: 220 nm to 850 nm or betteri) samples like powder, solid, colloidal sample, thin film etc are measured by using thisaccessoryii) minimum inner diameter of integrating sphere: 60 mmc) branded i5 pc with original os- 1 no, class ii, type a2 bio-safety cabinetspecification: 1. the bio-safety cabinets should be 4 feet width with front window must be a 10 sash opening and steel with smart coat interior 2. the bio safety cabinet must include dc motors. 3. the motor must automatically adjust the airflow speed without the use of a damper to ensure continuous safe working conditions, even without maintenance adjustments. 4. cabinet must use a pressure sensor (rather than anemometer) to detect pressure drop across the supply filter, rather than in just one point across the down flow. 5. the cabinet should display the inflow and down flow air velocities and must incorporate an led indicator, visual & audible alarm to indicate excessive hepa filters loading, blower failure, airflow speed failure, incorrect window position. 6. the front of the cabinet must be angled 10 to help minimize glare. 7. the cabinet noise level must be less than 65 db(a) for a 4-foot cabinet. 8. cabinet with lights on and fan at operating speed should consume less than 400 watts or less 9. the cabinet must automatically reduce fan/blower motor speed to 30% when the front window sash is in closed position to ensure reduced energy consumption when the cabinet is not is use. 10. uv light must be programmable to allow for specific exposure times from 0 to 24 hours. 11. the cabinet should have provision to fit taps for vacuum, water and non-combustible gas. 12. the bio safety cabinet should be nsf certified with listing on nsf website. 13. the bio safety cabinet should incorporate hepa filter of the class h 14 en 1822 or better and having minimum efficiency of 99.995% at 0.3 m particle size. 14. ventilation system exhaust and inflow air volume approx 300-350 cfm 15. audible and visual alarms for hepa filter failure, blower failure, airflow speed failure, incorrect window position. 16. the cabinet should be provided with fixed / adjustable height stand, uv light and one set of detachable arms rest and one / two electrical outlet. 17. the drain pan of the bsc should be made of stainless steel. the drain pan should not be painted, or power coated. 18. cabinet should be ce certified and declaration of moc should be provided. 19. port provision for clean and safe routing for vacuum tubing and cables throughthe side of the bsc for improved organization and work efficiency., vacuum ovenspecification: 1.volume(l): 60-802.temperature range ( c): rt+5-2503.temperature resolution ( c): 0.1(at 100 c)4.temperature variation ( c): (at100 c)5.heating power (w): 21006.vaccum range 0 ~ 1 atm7.timer: 1min ~ 99hr59min8.vaccum connector (mm): 109.venting connector (mm): 1010.inner size (mm): 400x400x40011.dimension (mm): 625x585x710, constant temperature incubators
Tender For tender for supply of tri-axial iepe accelerometer model - 3543a 4-pin 1/4-28 radial connector 10-32 tapped hole 320 deg.f (+160 deg.c) operation 15 grams case isolated triaxial 100 mv/g 50 g range with 10 ft cable make - dytran , tri-axial iepe accelerometer model - 3023a2h 4-pin side connector 10-32 mounting stud miniature high temperature 500g range 10 mv/g with 10 ft cable make - dytran , tri-axial iepe accelerometer model - 3023a 4-pin side connector adhesive mount miniature high temperature 500g range 10 mv/g with 10 ft cable make - dytran , cable assembly model - cbl-4 pin - 3-bnc four conductor cable 4 pin 1/4-28 connector to (3) bnc plugs teflon jacket +200 c molded strain relief on bncs 10 ft.(3.05m) make - dytran , iepe signal conditioner model - e4123b 12 channel rack 19 inch w x 1 3/4inch ht adjust current gain x1 - x10 - x100 channel output monitor selector standard line-operated current source power units (220v- 50hz version) make - dytran , accelerometer model - 3235c2 single axis charge output 2-pin side connector 3 bolt mount differential 100 pc/g with 10 ft cable make - dytran , cable assembly model - cbl-3235c two conductor cable 2 pin connector to cutoff low noise teflon jacket white (3085c/3235c) length 10 ft.(3.05m) make - dytran , miniature inline charge amplifier model no - 4753b1 10-32 input bnc output for high temp sensors 1mv/pc make - dytran , magnatic mounting base model no - mm-10/32-m high pull 10-32 integral stud 5/8 hex make - dytran , magnatic mounting base model no - mm-10/32-j high pull tapped hole 5/8 hex make - dytran , mounting stud model no - 10/32- 10/32 std 10-32to 10-32 shouldered stainless steel make - dytran , cable assembly model - 10/32(m)-bnc(m)/90/10 mini-coax teflon jacket bnc plugs to right angle 10-32 plug white length 10 ft. (3.05m) make - dytran , cable assembly model - bnc(m)-bnc(m)-10 mini-coax teflon jacket low noise bnc plug to bnc plug white 10 ft (3.05m) make - dytran
Tender For e-tender for purchase of lab equipments/apparatus - lab equipments/apparatus, steel ball (3kg) 20 cm diameter, steel chain 5 meter and 1cm diameter, newton s ring apparatus, michelson interferometer, fresnel biprism, optical bench kit, radio active sources kit (brit/barc)1. gamma source kit - 4nos2. beta source kit - 4 nos, hall probes and sample, four probes and sample(temperature upto 300 c), curie temp kit, ics for electronics (2input) ic number 1 - 7408, ics for electronics (2input) ic number 2 - 7400, ics for electronics (2input) ic number 3 7402, ics for electronics (2input) ic number 4 7432, ics for electronics (2input) ic number 5 7486, ics for electronics (2input) ic numbe 6 - 7404, ics for electronics (2input) ic numbe 7 - 747266, cutting pliers and wire cutters, quinckes tube, lattice dynamics kit, dielectric constant kit, scientific tuning forks kit , frequency 256 to 512 hz, with hammer & wooden case, cro cables bnc to bnc, magnetic plotting compass, deflection magnetometer, rectangular post office box for resistance measurement, diffraction grating, glass prism, nand gates (ic 7400 (2 o/p), nor gates (ic 7402 (2 o/p), not gates (ic 7404), and gates (ic 7408), or gates (ic 7432), leds (5mm with any colour), fecl3, cathode ray tube, b.g. lamp & scale arrangement, plancks constant setup, photodiode characteristics setup, polarimeter - sugar, multi strand copper wire, with different coating colours(black,red,green,yellow), angle measurement protractor 0 to 180 degree, steel wire, 5 mm diameter, bundle 100 m, tungsten filament lamp, lamp or bulb-is:418, 60 w, incandescent bulb 100w, high pressure mercury vapour lamps (hpmv lamps), 400 watt, male dual alligator clips for oscilloscope, stefan constant kit, 400 w high pressure sodium vapour lamps (hpsv lamps), meter bridge, solar cell kit, microscope(with digital screen led screen display), herbarium press, digital microscope fluorescence laboratory microscope with pc and hd camera, electronic balance - readability 324g, accuracy-0.0001repeatability 0.0001, main body dimension 213wx356dx338h mm, pan-91mm, molecular model kit-standard - large, lightweight molecular models for classroom demonstration of organic and inorganic structures. for building models to scale of 20 cm/ and 8 cm/ . bond lengths range from 5.5 to 27 cm. atomic centers are 5 cm in diameter, finished in standard atom colors, and have a reinforced vinyl receptor at each bond position for insertion of connecting rods (bonds)., potentiometer - 4 electrodes for different titrations resolution:0.1 mvdigital led displayaccessories electrode:pt-electrodeglass electrodesilver electrode range 2v to 2vmagnetic stirrer in built, conductometer - 5 ranges0.0-20.0 s/cm ;20-200 s/cm200-2000 s/cm;2-20ms/cm20-200 ms/cmresolution 1.01 s/cmoscillator 1kh2 inbuiltcell constant 0.2-1.41accessory electrode- conductivity electrodemagnetic stirrer in-built, fume hood - velocity control of approximately 80-100 feet per minute. semi close ventilated exposures. outer construction of thick pcrc, pre coated corrosion resistant gi sheet. inner construction of high grade ss-304 provided with sliding sash made out of special grade shatter proof glass duly framed in wooden/aluminum frame with sliding motion and counter weight balanced mechanism. illumination level of approx. 800 lux on the work table. heavy duty exhaust system, comprising of dynamically balanced centrifugal impeller with high speed motor suitable frp ducting of required dimension as per the individual requirements low noise level. energy efficient., digital oil bath with magnetic stirrer - stainless steel, sensor pt, temperature 300 c, high speed rotation 3l, digital oil bath with magnetic stirrer - oil bath 230 x 130 mm 3l, uv chamber - uv viewing cabinetcabinet with removable, combination uv light source (365nm/254nm); 4-watt tubes, lightweight aluminum minicabinet, long- and shortwave irradiation for viewing tlc plates, and for uv fluorescence or absorption,