Ceraphant T PTC31B – Electronic Pressure Switch
The Endress+Hauser Ceraphant T PTC31B is a robust electronic pressure switch that replaces traditional mechanical switches. Its ceramic sensor provides long-term stability and reliability in demanding process conditions.
Key Features
- Sensor: Ceramic capacitive (Ceraphire)
- Measuring range: −1 to +40 bar
- Switching accuracy: ±0.5% of span
- Process temperature: −40 to +150 °C
- Switching output: relay, transistor, NAMUR
- Optional: 4–20 mA analog output
- Process connections: G½”, NPT ½”
- Wetted materials: ceramic (Al₂O₃ 99.9%), 316L
- Protection: IP66/IP67
- Explosion protection: ATEX, IECEx
Applications
Pump protection, compressor monitoring, filter monitoring, pressure safety systems, process control, general industrial pressure switching.
Technical Specifications
| Parameter | Value |
|---|---|
| Measuring range | −1 to +40 bar |
| Switching accuracy | ±0.5% of span |
| Process temperature | −40 to +150 °C |
| Switching output | Relay, transistor, NAMUR |
| Sensor type | Ceramic capacitive |
| Protection class | IP66/IP67 |





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