★ Key Performance Parameters：
| Parameter | Range | Accuracy | Resolution |
| COD | 0-500 mg/L | ±5% R.D. or ±5 mg/L | 0.01 mg/L |
| BOD | 0-300 mg/L | ±5% R.D. or ±5 mg/L | 0.01 mg/L |
| TOC | 0-200 mg/L | ±5% R.D. or ±2 mg/L | 0.01 mg/L |
| SAC254 | 0-400 Abs/m | ±5% R.D. or ±5 Abs/m | 0.01 Abs/m |
| NO3-N | 0-50 mg/L | ±5% R.D. or ±1 mg/L | 0.01 mg/L |
| NO3¯ | 0-200 mg/L | ±5% R.D. or ±5 mg/L | 0.01 mg/L |
| TUR | 0-500 NTU | ±5% R.D. or ±5 NTU | 0.01 NTU |
| TSS | 0-500 mg/L | ±10% R.D. or ±10 mg/L | 1 mg/L |
| Temp | -5-50 °C | ±0.1 °C | 0.01 °C |
Specification:
| Principle | Multi-wavelength UV-Vis Spectral Absorption |
|---|---|
| Light Source | LED |
| Wavelength | 235nm, 254nm, 275nm, 550nm |
| Optical Path | 10mm |
| Measurement Interval | 10s to 65535s |
| Protection Class | IP68 |
| Material | AISI 316L |
| Weight | 0.9 kg |
| Dimension | Φ30 mm×245 mm |
| Operating Temperature | -5 °C to 50 °C (23 – 122 °F), in unfrozen water. |
| Storage Temperature | -5 °C to 50 °C (23 – 122 °F) |
| Installation | Submerged, Flow-through |
| Cleaning Method | Automatic cleaning wiper |
| Power Requirements | DC 12 V~24 V |
| Power Consumption | ＜2 W |
| Pressure | ≤6 bar |
| Humidity | 5% to 95% relative humidity, non-condensing |
| Flow Rate | 200-500 mL/min |
| Flow Velocity | <3 m/s |
| Cable Length | Cable extending directly: 6 m (19.69 ft.), M12 5-pin aviation plug: 2 m (6.56 ft.), Customizable length |
| Communication | RS 485 (Modbus RTU), bluetooth |
| Certification | CE/RoHS |
| Warranty | One year (extra cost for extension available) |