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| Brand | ERUN |
|---|---|
| Origin | Shaanxi, China |
| Model | ERUN-SZ4-K4 |
| Instrument Type | Online Analyzer |
| Measured Parameter | Chlorine Dioxide (ClO₂) |
| Measurement Range | 0–5 mg/L and 0–20 mg/L (dual-range) |
| Accuracy | ±3% of reading |
| Repeatability | ±3% |
| Resolution | 0.001 mg/L |
| Limit of Detection | 0.030 mg/L |
| Response Time (T90) | ≤90 s |
| Measurement Principle | Amperometric Electrochemical Detection (Three-Electrode System with Membrane-Covered Gold Working Electrode) |
| Temperature Range | −5 to 60 °C |
| Temp. Accuracy | ±0.4 °C |
| Temp. Resolution | 0.1 °C |
| Operating Voltage | DC 9–28 V |
| Power Consumption | ≤0.5 W (peak) |
| Output Options | RS485 (Modbus RTU), 4–20 mA (optional) |
| Enclosure Rating | IP68 |
| Pressure Rating | <0.1 MPa |
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