| Measurement range: | COD | NH3N | |
| 5 ~ 2000mg / L (COD can be extended to 20000mg / L) | 0.02 ~ 25mg / L | ||
| Indication error: | Max. ± 5% | Max. ± 3% | |
| Repeatability: | Max. ±3% | ||
| Anti-chlorine interference: | Max. 2000mg/L (COD measurement) | ||
| Temperature control accuracy: | Max. ± 1.0 °C | ||
| Temperature control system: | Can be set from room temperature to 200 °C, COD digestion temperature 165 °C | ||
| Resolution time: | COD is 15 minutes | ||
| Optical stability: | The absorbance drift is less than 0.002A within 20min | ||
| Dimensions: | Main unit: 400mm × 310mm × 158mm; | ||
| Weight: | Main unit: 5kg; Digestion meter: 5.5kg | ||
| Temperature control range: | Room temperature ~ 200 °C, COD hydrolysis temperature 165 °C | ||
| Temperature control accuracy: | ± 0.5 °C | ||
| Digestion time: | 1-9999 min adjustable, COD: 15min | ||
| Batch processing capacity: | 16 water samples (optional 20b, 25B, 36B) | ||
| Power consumption: | < 500W | ||
| Display screen: | 3.5-inch color touch screen, 320×240 resolution, Chinese and English display | ||
| Boundary dimension: | 355mm × 260mm × 135mm (excluding protective cover) | ||
| Weight: | Dis-16b: 5.5kg (dis-20b: 6.5kg, dis-25b: 7.0kg, dis-36b: 8.0kg) | ||