| COD Detection Method |
Potassium dichromate method Potassium permanganate method |
|---|---|
| COD Measuring Range | 10 to 15000 mg/L |
| COD Lower Limit of Measurement | 3 mg/L |
| COD Digestion Temperature | 165℃,20min |
| COD Indication Error | ≤±5% or ±4 mg/L |
| COD Repeatability | ≤±3% |
| Ammonia Nitrogen Detection Method |
Salicylic acid method Nesslers reagent method |
| Ammonia Nitrogen Measuring Range | 0.02 to 50 mg/L |
| Ammonia Nitrogen Lower Limit of Measurement | 0.005 mg/L |
| Ammonia Nitrogen Digestion Temperature | Indigestible |
| Ammonia Nitrogen Indication Error | ≤±5% or ±0.1 mg/L |
| Ammonia Nitrogen Repeatability | ≤±3% |
| Total Phosphorus Detection Method | Ammonium molybdate method |
| Total Phosphorus Measuring Range | 0.02 to 100 mg/L |
| Total Phosphorus Lower Limit of Measurement | 0.0005 mg/L |
| Total Phosphorus Digestion Temperature | 150℃,30 min |
| Total Phosphorus Indication Error | ≤±5% or ±0.04 mg/L |
| Total Phosphorus Repeatability | ≤±3% |
| Total Nitrogen Detection Method | Thymol method |
| Total Nitrogen Measuring Range | 0.5 to 150 mg/L |
| Total Nitrogen Lower Limit of Measurement | 0.2 mg/L |
| Total Nitrogen Digestion Temperature | 125℃,30 min |
| Total Nitrogen Indication Error | ≤±5% or ±0.4 mg/L |
| Total Nitrogen Repeatability | ≤±3% |
| Absorbance Measuring Range | 0 to 3.5Abs |
| Measuring Accuracy | ≤±5% |
| Repeatability | ≤±3% |
| Optical Path Stability | ≤0.002Abs/30min |
| Absorbance Resolution | 0.001Abs |
| Operation Repeatability | ≤±0.005Abs |
| pH-temperature Electrode Measuring Range | 0 to 14 pH at 0 to 80℃ |
| pH-temperature Electrode Measuring Accuracy | ≤±0.05pH ≤±0.5℃ |
| Data Memory | 10000 sets |
| Light Source Life | 100,000 hours |
| Filter Life | 5 years |
| Electric Source | DC 12V/5A |
| Operating Temperature | 0 to 50℃ |
| Operating Humidity | 0 to 90% (non-condensing） |
| Dimensions (L×B×H) | 412×253×164 mm |
| Weight | 3.25kg |
