Liquisys M CPM253 – Compact pH/ORP Transmitter
The Endress+Hauser Liquisys M CPM253 is a cost-effective 2-wire transmitter for pH and ORP measurement. Its compact design and simple operation make it ideal for standard water treatment and industrial applications.
Key Features
- Measurement: pH (0–14) and ORP (−1500 to +1500 mV)
- 2-wire transmitter (loop-powered)
- Output: 4–20 mA HART
- Integrated temperature compensation
- Accepts all standard pH/ORP sensors
- Ambient temperature: −20 to +60 °C
- Housing: compact field housing
- Protection: IP65
- Local display: LCD
Applications
Water treatment, cooling water, swimming pools, wastewater, chemical dosing control, general pH monitoring.
Technical Specifications
| Parameter | Value |
|---|---|
| Measurement | pH (0–14), ORP (−1500 to +1500 mV) |
| Output | 4–20 mA HART |
| Power supply | 2-wire (loop-powered) |
| Ambient temperature | −20 to +60 °C |
| Protection class | IP65 |
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