1
equipment name |
Multi-parameter water quality analyzer | Instrument model | LH-3B |
Measurement item |
COD | Ammonia nitrogen | Total phosphorus |
Measurement accuracy | COD<50mg/L,≤±10% COD>50mg/L,≤± 5% |
≤±10% | ≤±5% |
Measurement item | 20 minutes | 10-15 minutes | 35-50 minutes |
Batch volume | 25 water samples | 20 water samples (expandable) | 25 water samples |
Repeatability | ≤±5% | ≤±5% | ≤±5% |
Light source life | 100,000 hours | ||
Optically stable | ≤0.001A/20分钟 | ||
Anti-chlorine interference | [Cl-]<1000mg/L has no effect [Cl-]<4000mg/L (optional) | — | — |
Storing data | 12,000 | ||
Number of curves | 240 (180 standard curves, 60 fitting curves) |