★ Key Performance Parameters：
| Parameter | Range | Accuracy | Resolution |
| DO | 0 – 20 mg/L, 0 – 200 % | ±0.1 mg/L, ±1% | 0.01 mg/L |
Specification:
| Principle | Fluorescence quenching principle |
|---|---|
| Measurement Interval | 10s to 65535s |
| Dimension | Φ30×249 mm |
| Weight | 1 kg |
| Material | AISI 316L (Titanium alloy version available) |
| Power Requirements | DC 12V ~ 24V |
| Power Consumption | ＜2 W |
| Communication | RS 485 (Modbus RTU), bluetooth |
| Protection Class | IP68/IP67 |
| Cleaning Method | Automatic cleaning wiper |
| Installation | Submerged, Flow-through |
| 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 |
| 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 |
| Certification | CE/RoHS |
| Warranty | One year |