| equipment name | Multi-parameter water quality analyzer |
Instrument model | 5B-6C(V10) | ||
| Measurement item | COD | Ammonia nitrogen | Total phosphorus | Turbidity | |
| Measuring range | 2-10000mg/L(segmentation) | 0.02-100mg/L (segmentation) |
0.01-12mg/L (segmentation) |
1-300NTU | |
| Accuracy | (<50mg/L):ΔV≤±10%; (>50mg/L):ΔV≤±5% |
ΔV≤±5% | ΔV≤±5% | ΔV≤±10% | |
| Anti-chlorine interference |
[Cl-]<1000mg/L [Cl-]<4000mg/L |
— | — | — | |
| Optical stability | ≤±0.005A/20min | ||||
| Repeatability | ≤±5% | ||||
| Measurement time | 20min | 20min | 45min | 5min | |
| Batch sample | 12 | ||||
| Number of curves | 121 (99 standard curves, 22 fitting curves) | ||||
| Storing data | 16,000 | ||||
| Timing range | 1 minute - 96 hours | ||||
| Timing accuracy | 0.2 seconds / hour | ||||
| Temperature indication error |
≤±2℃ | ||||
| Temperature field uniformity |
≤2℃ | ||||
| Temperature control range |
(45-190)℃ | ||||
| Parameter switching method |
Automatic switching | ||||