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DPS/CPU/04/D1/2101/PT |
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09/02/2021 |
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09/03/2021 14:30:00 |
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09/03/2021 14:30:00 |
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09/03/2021 15:00:00 |
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NA |
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Qualifying Requirement : |
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| Sr. no | Item Category | Item Description | Qty | | 1 | OTHERS MEASURING INSTRUMENTS | Supply , Installation/Commissioning and Warranty of High Resolution Spectrometer:
1.Spectrometer:
1.1)Spectral Range (nm):300-800
1.2)Focal length:750mm
1.3)Aperture:≤F/9.7
1.4)Wavelength accuracy(center):0.03nm or better
1.5)Wavelength Repeatability:≤10 pm
1.6)Gratings:Triple grating turret
1.7)Grating Size:68mmX68mm or larger
1.8)Entrance ports:Two; the side(second) entrance port to be selectable by software controlled flip mirror
1.9)Slit:One port with motorized controlled slit via software & side entrance port with micrometer controlled slit.
1.10)Slit Width (both entrance):10micron to 2.5mm
1.11)Exit port:1 exit port for CCD
1.12)Interface:USB
1.13)Resolution:0.03nm or better with 1800 l/mm grating @500nm
1.14)Gratings- 3: i)Holographic grating 1800l/mm with peak at 480nm,ii)Holographic grating 1200l/mm with peak at 500nm, iii)600l/mm grating blazed at 500nm
1.15)Appropriate Flange to mount CCD
2.Low dark current,high sensitivity,Peltier Cooled CCD detector:
2.1)Active pixels:2048x512
2.2)Pixel size:13.5x13.5 µm or lesser
2.3)Image area:27.6mmx6.9mm with 100% fill factor
2.4)Minimum temperature with Air cooling at 20degC: -80degC or better, with capability to go down to -100degC with water cooling
2.5)QE between 500nm and 700nm>90%,back illuminated Visible CCD
2.6)Blemish specifications:Grade1 or better
2.7)Dark current,e-/pixel/sec:0.0002 or lower, to be tested and certified
2.8)Register well depth:>120000e- for high sensitivity mode;>500000e- for high capacity mode
2.9)Minimum Read noise(e-):2.5e- or better
2.10)CCD must operate in high sensitivity mode (electrons/count adjustable from 1-4)and high capacity mode (electrons/count adjustable from 4-16),with minimum 3 readout rates 50KHz,1MHz,3MHz
2.11)Maximum Spectral rate(spectra/sec)>100 full vertical bins
2.12)Linearity:Better than 99%
2.13)Digitization:16bit
2.14)Interface:USB
2.15)Latest data acquisition, control software(64bit,32bit Windows OS compatible)
2.16)CCD & Spectrometer to be compatible and controlled with same software
3.Miscellaneous: Annex.1 | 1 | | | | |
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STORES OFFICER, CENTRAL STORES UNIT, DIRECTORATE OF PURCHASE AND STORES, B.A.R.C., TROMBAY, MUMBAI - 400 085. |
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