Description
Overview
GAOTek Water Quality Tester uses advanced cold light sources, narrow-band interference technology and microcomputers to automatically process data. The instrument first digests the sample with sealed catalyst, and then measures them by colorimetric method.
Features
- Digest sample, use sealed catalyst, measure via colorimetric method
- Uses advanced technology for COD value display in samples
- Applied in diverse fields for comprehensive water quality measurements
- Designed per latest national standard for COD measurement method
- Easy to operate, good precision and stability
- With print and USB data upload function
- Large color touch screen, Chinese and English display
- With one-click recovery function
Technical Specifications
| Measurement range | COD: 5 mg/L to 2000 mg/L |
| Repeatability | ≤3% |
| Anti-chlorine interference | ≤2000 mg/L |
| Temperature control accuracy | ±32.9 °F (0.5 °C) |
| Digestion time | COD is 15 min |
| Batch volume | 16 water samples |
| Power consumption | <500 W |
| Ambient temperature | 41 °F to 104 °F (5 °C to 40 °C) |
| Power supply | AC (220 ±22) V; (50 ±0.5) Hz |
| Indication error | COD: ≤±5% |
| Display | Color touch screen, Chinese and English display |
| Temperature control system | Can be set at room temperature 392 °F (200 °C), COD digestion temperature is 60.8 °F (16 °C) |
| Temperature control time | Adjustable from 1 min to 9999 min |
| Optical stability | The instrument absorbance value drifts less than 0.002 A within 20 min |
| Dimensions | Measuring instrument: 13.38 in x 9.84 in x 5.11 in (340 mm x 250 mm x 130 mm); Digestion instrument (DIS-16B type): 13.97 in x 10.23 in x 5.31 in (355 mm x 260 mm x 135 mm) |
| Weight | 8.81 lb. (4 kg) |