| Measurement range | 5~2000mg/L |
| Error of indication | ≤±5 % |
| Sexual repeability | ≤3% |
| anti-chlorine interference | ≤2000mg/L |
| temperature Control system | Room temperature~ 180 ℃ can be set, COD digestion temperature is 165 ℃. |
| Temperature control Accuracy | ±1℃ |
| Temperature control time | 1~ 999Min adjustable |
| digestion time | 15min |
| Optical inspection stability | <0.002A/20min |
| batch Volume | 4 water samples (or choose 16 water samples) |
| Dimensions | COD measuring instrument 80 * 230 * 55mm digestion instrument 105 * 160 * 90mm |
| Weight | Host 0.5kg digestion instrument: 1kg |
| power consumption | <500W |
| Environment temperature | 5~40℃ |
| Working Relative Humidity | ≤85% |
| Power | Rechargeable lithium battery |
| Optical inspection system | 420Nm (low range) and 610nm (medium and high range) |
Warranty days: 365 days
Non-artificially caused product quality problems, the manufacturer provides 1 year free warranty service.