描述
Features:
- Single-point curve calibration and multi-point curve calibration (up to 12 points);
- Display of fitting degree of curve fitting and concentration data with up to 50 sets of curve parameters storage;
- Display of concentration data with up to 200 sets of data storage;
- Concentration factor setting and concentration direct reading;
- Dark current calibration / wavelength calibration/system clock management.
Specifications:
| Optical System | Single beam, C-T type, 1200 lines/mm grating |
| Detector | Silicon photo diode |
| Light Source | Tungsten lamp (socket type, 20W / 12V, 2000 hours) |
| Deuterium lamp (1000 hours) | |
| Display Mode | 4.3” color LCD, touch screen |
| Spectral Bandwidth | 4nm |
| Wavelength Range | 200 – 1100nm |
| Wavelength Accuracy | ±2.0 nm (Calibrate by system automatically ) |
| Wavelength Repeatability | 1.0nm |
| Stray Light | ≤0.5%T (220Nal) |
| Photometric Range | T：-1.0 ~200.0%T ，A：-0.5 ~ 3.000Abs，C：0 ~ 9999 |
| Photometric Accuracy | ±0.5%T |
| Photometric Repeatability | 0.2%T |
| Stability | dark current < 0.2%T, bright current < 0.5%T |
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