★ Key Performance Parameters：
| Monitoring parameter | Range | Accuracy | Resolution |
| Conductivity | 0.001-200 000 μS/cm | ±5% | 0.001 μS/cm |
| TDS | 0.01-100 000 mg/L | ±5% | 0.01 mg/L |
| Salinity | 0.01-120 ppt | ±5% | 0.01 ppm |
| Temperature | -5-50 °C | ±0.1 °C | 0.01 °C |
Specification:
| Principle | Coaxial 4 graphite electrodes |
|---|---|
| Dimension | Φ25×231 mm |
| Weight | 0.10 kg |
| Material | PVC-U (shell) |
| Measurement Interval | Minimum 1 s |
| Communication | RS 485 (Modbus RTU), Bluetooth |
| Power Requirements | DC 12V ~ 24V |
| Power Consumption | ＜0.5 W |
| Protection Class | IP68/IP67 |
| Installation | Flow-through, Submerged |
| Operating Temperature | -5 °C to 50 °C (23 – 122 °F), in unfrozen water. |
| Storage Temperature | -5 °C to 50 °C (23 – 122 °F) |
| Pressure | ≤ 6 bar, 1bar (for Flow-through Installation) |
| Flow Rate | 200-500 ml/min |
| Flow Velocity | <3 m/s |
| Humidity | 5% to 95% relative humidity, non-condensing |
| Cable Length | Cable extending directly: 6 m (19.69 ft.), M12 5-pin aviation plug: 2 m (6.56 ft.), Customizable length |
| Certification | CE/RoHS |
| Warranty | One year |