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| Brand | DoctorWater |
|---|---|
| Model | Dr-W390 |
| Measurement Parameters | pH (0–14), Residual Chlorine (0–2 / 0–20 mg/L), Dissolved Oxygen (0–20 mg/L), Conductivity (0–2000 / 0–20000 µS/cm), Temperature (0–60 °C) |
| Conductivity Range | 0–2000 µS/cm, 0–20000 µS/cm |
| Temp. Range | 0–60 °C |
| Accuracy | ±2% F.S. (all parameters) |
| Conductivity Resolution | 0.01 µS/cm |
| Temp. Compensation | Automatic |
| Data Storage | 500,000 records |
| Output | Dual 4–20 mA (±0.05 mA accuracy), RS485 Modbus RTU |
| Relay Outputs | 1 multifunctional relay (cleaning/interval/error alarm), 2 controllable relays with adjustable delay |
| Update Interval | 1–60 s adjustable |
| Enclosure Rating | IP68 (electrode), IP65 (controller) |
| Max. Pressure Rating | up to 4 bar (conductivity sensor) |
| Cable Length | 5 m standard (customizable) |
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