Digunakan untuk mengukur kadar oksigen yang dibutuhkan untuk mengoksidasi bahan- bahan organik yang terdapat dalam air.
| Measuring range | : COD: 5~2000mg/L (measured over dilution) |
| Indication error | : COD: ≤±5% |
| Repeatability | : ≤3% |
| Anti-chlorine interference | : ≤2000mg/L (COD determination) |
| Temperature control system | : room temperature~180℃ can be set, COD digestion temperature is 165℃ |
| Temperature control accuracy | : ±0.5℃ |
| Temperature control time | : Temperature control time |
| Digestion time | : COD is 15min |
| Optical stability | : the instrument absorbance value drifts less than 0.002A within 20min |
| Batch processing capacity | : 4 water samples |
| Dimensions | : Tester 80mm×230mm×55mm |
| Weight | : Host 0.5kg Digestion apparatus: 1kg |
| Host power consumption | : current <40uA; Digestion apparatus power consumption: <65W |