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| Brand | YST (Dalian Yist Instruments) |
|---|---|
| Origin | Liaoning, China |
| Model | YST209B-RP880 |
| Measurement Range | -1999 to +1999 mV |
| Accuracy | ±2 mV @ 25 °C |
| Response Time | ≤10 s (to 90% of final value) |
| Temperature Compensation | Automatic, 0–100 °C |
| Output Signals | Isolated 4–20 mA + RS485 digital interface |
| Sensor IP Rating | IP68 |
| Transmitter IP Rating | IP65 |
| Operating Ambient | 0–60 °C, ≤90% RH (non-condensing, away from strong magnetic fields) |
| Power Supply | 220 V ±10%, 50 Hz |
| Installation Type | Submersible (tank/pipeline) |
| Brand | YSTorp (Dalian Yistorp) |
|---|---|
| Origin | Liaoning, China |
| Model | YST209B-RP880 |
| Measuring Range | ORP –1999 to +1999 mV (0.1 mV resolution) |
| Accuracy | ±1 mV (ORP), ±0.5 °C (Temperature, 0–60.0 °C) |
| Automatic Temperature Compensation (ATC) | 0.0–120.0 °C (reference 25 °C) |
| Output | 4–20 mA isolated analog output |
| Power Supply | AC 220 V ±10 %, 50 Hz ±1 Hz |
| Enclosure Rating | IP65 |
| Dimensions | 96 × 96 × 110 mm (panel cutout: 92 × 92 mm) |
| Installation Options | Flow-through, submersible, flanged, pipe-mounted, sidewall-mounted |
| Operating Environment | 0–60 °C ambient, RH <85 % non-condensing |
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