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Holographic Grating Tenders

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Central Government/Public Sector

CTN :39120866 Due date: 10 Feb, 202510 Feb, 2025 NA
Tender For supply of supply-ac and ventilation system-centrifugal fan- 85000 cmh , supply-ac and ventilation system-axial flow supply fans-6000 cmh , supply-ac and ventilation system-axial flow exhaust fans with flp motor-7500 cmh , supply-ac and ventilation system-axial flow exhaust fans -2000 cmh , supply- ac and ventilation system-gss duct sheet-24 g- ventilation system , supply-ac and ventilation system-gss duct sheet-22 g-ventilation system , supply-ac and ventilation system-gss duct sheet-20 g-ventilation system , supply-ac and ventilationsystem-gss duct sheet-18 g-ventilation system , supply-ac and ventilationsystem-pre-filter , supply-ac and ventilationsystem-fine filter , supply-ac and ventilationsystem-air intake louver , supply-ac and ventilation system-supply air grill with vcd , supply-ac and ventilation system-volume control damper , supply-ac and ventilation system- fire damper , supply-ac and ventilation system- motorised actuator for fire damper , supply-ac and ventilation system-non return damper , supply-ac and ventilation system-pressure relief damper , supply-ac and ventilation system-gravity damper , supply-ac and ventilation system-structural steel , supply-ac and ventilation system-wall mounted fuse board , supply-ac and ventilation system-local push button starter , etc-ac and ventilation system-centrifugal fan-85000 cmh , etc-ac and ventilation system-axial flow etc fans-6000 cmh , etc-ac and ventilation system-axial flow exhaust fans with flp motor-7500 cmh , etc-ac and ventilation system-axial flow exhaust fans -2000 cmh , etc-ac and ventilation system-gss duct sheet- 24 g-ventilation system , etc-ac and ventilation system-gss duct sheet-22 g-ventilation system , etc- ac and ventilation system-gss duct sheet-20 g- ventilation system , etc-ac and ventilationsystem- gss duct sheet-18 g-ventilation system , etc-ac and ventilationsystem-pre-filter , etc-ac and ventilationsystem-fine filter , etc-ac and ventilationsystem-air intake louver , etc-ac and ventilation system-supply air grill with vcd , etc-ac and ventilation system-volume control damper , etc-ac and ventilation system-fire damper , etc-ac and ventilation system-motorised actuator for fire damper , etc-ac and ventilation system-non return damper , etc-ac and ventilation system- pressure relief damper , etc-ac and ventilation system-gravity damper , etc-ac and ventilation system-structural steel , etc-ac and ventilation system-wall mounted fuse board , etc-ac and ventilation system-local push button starter

Central Government And Public Sector

CTN :38955936 Due date: 04 Feb, 202504 Feb, 2025 61.51 Lacs
Tender For supply of sitc of 7tr copeland model zr108kce scroll compressor , providing nitrogen pressure testing and vacuumising the entire refrigerant system , supplying and charging of refrigerant gas r407 in the existing ac package unit , sitc of blower motor electronic commuted 3 phase 380 to 480 v 50 60 hz 3 point 1 kw 1560 rpm for emerson make 7 tr bottom feed precision ac , sitc condenser motor with axial fan blade , electronic expansion valve driver unit evd evolution user interface unit without display of carel make , expansion valve carel make , high pressure gas solenoid valve unit suitable for emerson make 7 tr hpac , lp cut out switch for emerson make 7 tr hpac , hp cut out switch for emerson make 7 tr hpac , crankcase heater for scroll compressor of copeland model zr108kce , ioc card controller icom board for emerson make 7 tr hpac , evd pressure switch for emerson make 7 tr hpac , sitc of 4p 63a 25ka breaking capacity mccb 3vti siemens or ss , fuse set pcb card , contactor 4 pole 32 amps mcx03 coil supply 220v , contactor addon block , return air sensor , control transformer primary 380 v to 415 v secondary 1 0 to 22 v 2a sec 2 0 to 24 v 6 a , attending defects in control wiring , sitc of 7 tr copeland model zr108kce scroll compressor , providing nitrogen pressure testing and vacuuming the entire refrigerant system , ioc card controller ie icom board for emerson make 15 tr hpac , lp cut out switch for emerson make 15 tr hpac , hp cut out switch for emerson make 15 tr hpac , v belt for blower of 15 tr emerson make hpac unit , 4 pole 32 amp contactor for blower motor , 3 pole 40 amp contactor for compressor , rewinding of blower motor rating 3 phase 415 v induction motor 3 hp 1430 rpm , condenser motor with axial fan blade , attending defects in control wiring , providing nitrogen pressure testing and vacuumising the entire refrigerant system , electronic expansion valve driver unit evd evolution user interface unit without display of carel make suitable for stulz make 7 tr hpac , high pressure gas solenoid valve unit suitable for stulz make 7 tr hpac , lp cut out switch for stulz make 7 tr hpac , hp cut out switch for stulz make 7 tr hpac , sitc of condenser motor with axial fan blade and safety grill , crankcase heater for scroll compressor , sitc of precision ac display unit assembly suitable for 7tr stulz make precision ac , sitc of 7 tr copeland, model zr108kce scroll compressor , ioc card controller i.e. icom board for emerson make 15 tr hpac , 4 pole 32 amp, contactor for blower motor , rewinding of blower motor, rating 3 phase 415 v induction motor, 3.0 hp, 1430 rpm , electronic expansion valve driver unit evd evolution user interface unit without display of carel make suitable for stulz make 7 tr hpac. , high pressure gas solenoid valve unit suitable for stulz make 7 tr hpac.

State Government

CTN :39049502 Due date: 13 Feb, 202513 Feb, 2025 40.00 Lacs
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
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