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equipment name | Multi-parameter water quality analyzer | Instrument model | 5B-3B(V8) | |
Measurement item | COD | Ammonia nitrogen | Total phosphorus | Turbidity |
Measuring range | 2-10000mg/L (segmentation) |
0.02-100mg/L (segmentation) |
0.002-5mg/L (segmentation) |
0.5-400NTU |
Measurement accuracy | COD<50mg/L,≤±10% COD>50mg/L,≤± 5% |
≤±10% | ≤±5% | ≤±5% |
Minimum detection limit | 0.1mg/L | 0.01mg/L | 0.001mg/L | 0.1NTU |
Measurement time | 20min | 10-15 min | 35-50 min | 1 min |
Batch volume | 16 water samples | 20 water samples (expandable) | 16 water samples | Unlimited |
Repeatability | ≤±5% | ≤±5% | ≤±5% | ≤±5% |
Light source life | 100,000 hours | |||
Optically stable | ≤±0.005A/20 minutes | |||
Anti-chlorine interference | [Cl-]<1000mg/L [Cl-]<4000mg/L | — | — | — |
Colorimetric method | Colorimetric tube, cuvette | Colorimetric tube, cuvette | Colorimetric tube, cuvette | cuvette |
Storing data | 12,000 | |||
Number of curves | 219 | |||
Display method | Color LCD (resolution 320x240) | |||
Communication Interface | USB / infrared (optional) | |||
Power supply | 220V AC power supply |