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Absolute and
gauge pressure
Ceraphant PTC31

Cost-effective pressure switch with oil-free ceramic sensor for measurement in gases or liquids

  • Ceraphant PTC31 ©Endress+Hauser
  • Pressure measuring principle

The Ceraphant PTC31 is a price-attractive pressure switch with ceramic, vacuum tight measuring cell for safe measurement and monitoring of absolute and gauge pressure.


  • Integrated switching electronics for decentral and economic process monitoring and control

  • Function check and information on site thanks to LEDs and digital display

  • Dry capacitance ceramic sensor (Ceraphire)

  • Overload-resistant high purity ceramic sensor (99.9% Al2O3)

  • Best fit for vacuum applications and applications with abrasive media

Field of application

Pressure switch with ceramic sensor diaphragm for monitoring absolute and gauge pressures in gases, vapors, liquids and dusts.

  • Process connections: Threads

  • Process temperature: -40 to +100°C (-40 to +212°F)

  • Pressure: -1/0 up to +40bar (-15/0 up to +600psi)

  • Accuracy: ±0.5%

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

Predecessor: PTC133

Successor: Ceraphant PTC31B

Success stories


Endress+Hauser Inc.
2350 Endress Place Greenwood , IN 46143 United States
Tel.: 888-363-7377
Tel.: 888-ENDRESS
Tel.: 317-535-7138
Fax: 317-535-8498

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