★ Key Performance Parameters：
| Parameter | Range | Accuracy | Resolution |
| Free Chlorine (HClO, ClO–) | 0-2 mg/L or 0-20 mg/L | ±3% F.S. or ±0.02 mg/L | 0.001 mg/L |
Specification:
| Principle | Membrane covered, amperometric potentiostatic 3-electrode |
|---|---|
| Dimension | Φ25 mm × 205 mm |
| Weight | 0.11 kg |
| Material | ABS (shell), AISI 316L |
| Measurement Interval | Minimum 1 s |
| Communication | RS 485 (Modbus RTU), Bluetooth |
| Power Requirements | DC 12 V~ 24 V |
| Power Consumption | ＜2 W |
| Protection Class | IP65 |
| Installation | Flow-through |
| Operating Temperature | 2～45 ℃(35.6～113 ℉) |
| Storage Temperature | 2~45 ℃ (35.6~113℉) |
| Pressure | ≤0.5 bar |
| Humidity | 5% to 95% relative humidity, non-condensing |
| Flow Rate | 250-500 ml/min |
| Cable Length | 2m(6.56ft), Customizable length |
| Certification | CE/RoHS |
| Warranty | One year |