| Measurement item | Suspended matter |
| Measuring range | 0-750mg/L |
| Measurement accuracy | ≤±10% |
| Minimum detection limit | 2 mg/L |
| Measurement time | 1 minute |
| Repetitive | ≤±5% |
| Colorimetric method | Colorimetric tube |
| Storing data | 5000 groups |
| Number of curves | 5 |
| Display method | Monochrome LCD |
| Operation interface] | Full Chinese display |
| Ambient temperature | (5 ~ 40) °C |
| environment humidity | Relative humidity <85% RH (no condensation) |
| Instrument size | 224mm × 108mm × 78mm |
| Instrument weight | 0.55kg |
| Optically stable | ≤±0.005A/20 minutes |
| Rated voltage | Battery 4AA/LR6 and 8.4V power adapter |
| rated power | 0.3W |