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Instrument Database:
Beijing Rayleigh Analytical Instrument Corporation (BRAIC) - VIS-7220/7220G UV-9100/9200 Spectrophotometer
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| Year of introduction |
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| Status |
historical ( out of sale ) |
| Company |
Beijing Rayleigh Analytical Instrument Corporation (BRAIC)
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| Categories |
Spectrometer ( Molec. ): UV/VIS
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- 2nm spectral bandwidth for accuracy.
- Controlled by microcomputer, LED display.
- Working curve with three points used for calculating concentrations.
- Parallel interface is available for printing.
- Easy operation, high flexibility.
- Compact, rugged construction and modern design.
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| Specifications |
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Wavelength
330 - 800nm (VIS-7220)
320 - 1100nm (VIS-7220G)
200 - 800nm (UV-9100)
190 - 1000nm (UV-9200)
Wavelength accuracy
±2.0nm
Wavelength reproducibility
1.0nm
Photometric accuracy
±0.3%T
Photometric reproducibility
0.3%T
Stray light
0.6%T(NaNO2 at 360nm) for (VIS-7220/VIS7220G)
0.6%T (NaNO2 at 360nm,Nal at 220nm) for (UV-9100/9200)
Spectral bandwidth
2nm
0%T stability
0.2%T(3min)
100%T stability
0.5%T(3min)
Operation mode
T: 0 - 110%; A: 0 - 2; C: Direct-reading concentration 0 - 99
Display mode
LED display with four digits
Computer interface
RS232C(optional)
Printer interface
Universal parallel interface
Monochromator
Single-beam, C-T type, grating 1200L/mm
Receiver
Phototube (VIS-7220)
Silicon Photodiode (VIS-7220G)
Phototube (UV-9100)
Silicon Photodiode (UV-9200)
Light source
Tungsten halogen lamp (VIS-7220/VIS7220G)
Tungsten halogen lamp, D2 lamp (UV-9100/9200)
Power Requirement
220/110V±10%,50/60HZ
Power consumption
80W (VIS-7220/VIS7220G)
120W (UV-9100/9200)
Dimensions
470×370×188mm
Net weight
10kg (VIS-7220/VIS7220G)
13kg (UV-9100/9200)
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