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Features:
1 Microprocessor control, 16×2 LCD display
2 Auto zero and auto 100%T adjustment provided
3 Calibration curve can be set up by either measuring or entering up to 10 standards or entering K and B factors directly via the keyboard
4 Parameters can be saved for later use.
5 Up to 10 calibration curves can be stored and edited for user's convenience
6 Data can be printed on an optional desktop printer and can be downloaded to a PC through RS-232
7 PC control provided for more accurate and flexible measurement requirements (optional)
8 Auto-wavelength control (optional)
Specifications:
| Model | VIS-7220G | UV-9200 |
| Wavelength | 320~1100nm | 190~1100nm |
| Wavelength accuracy | ±2.0nm | |
| Wavelength reproducibility | 1nm | |
| Monochromator | Single-beam, C-T type, grating 1200L/mm | |
| Photometric accuracy | ±0.5%T | |
| Photometric reproducibility | 0.3%T | |
| Stray light | 0.1%T(NaNO2 at 340nm) | 0.1%T (Nal at 220nm, NaNO2 at 340nm) |
| Spectral bandwidth | 5nm (1, 2, 4nm optional) | |
| 0%T stability | 0.2%T(30min) | |
| 100%T stability | 0.001A/30min (at 500nm, after warming up) | |
| Operation mode | T, A, C, E | |
| Photometric range | -0.3~3A | |
| Display | 16X2 LCD | |
| Detector | Silicon Photodiode | |
| Light source | Tungsten halogen lamp | Tungsten halogen lamp, D2 lamp |
| Power Requirement | 220/110V±10%,50/60HZ | |
| Power consumption | 100W | 120W |
| Dimensions | 530×410×210mm | |
| Net weight | 15kg | 16kg |
VIS-7220G/9200 Spectrophotometer