Address: No. 91-93, Lane 5, An Phu Ward, District 2, HCM City
Telephone: (+84) 24 6663 2426
Hotline: (+84) 961 739 336
Operation Time: all weekdays (except Sunday and National Holidays)

Endress+Hauser Absolute and Gauge Pressure Ceraphant PTP31B

Cost-effective pressure switch with welded metal sensor for measurement in gases, steams or liquids.

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The Ceraphant PTP31B is a price-attractive pressure switch with piezoresistive sensor for safe measurement and monitoring of absolute and gauge pressure. The pressure switch with compact design is extremely stable and overload resistant for up to +400 bar.


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

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

  • Overload-resistant sensor up to 400bar

  • Small flush mounted process connections


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

  • Process connections: Threads

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

  • Process pressure: 400mbar to +400bar (6 to +6,000psi)

  • Accuracy: up to ±0.3%


Measuring PrinciplePressure switch
CharacteristicIntelligent pressure switch with piezoresistive sensor,
longterm stable and overload resistant
Supply voltage10...30 VDC
Reference Accuracy0.5 %,
Platinum: 0.3 %
Long term stability0.2 % of URL/year
Process temperature-40 °C...+100 °C
(-40 °F...+212 °F)
Ambient temperature-20 °C...+70 °C
(-4 °F...+158 °F)
Measuring cell+400 mbar....+400 bar
(+6 psi...+6000 psi)
Max. overpressure limit600 bar (9000 psi)
Process connectionThreads:
G1/4, G1/2,
MNPT1/4, MNPT1/2,
JIS R1/2
Communication1x PNP switch
2x PNP switch
1x PNP switch +
4...20mA analogue
Design approvalsEN 10204-3.1 Final inspection report
Cleaned from oil and grease
Set min alarm
SpecialitiesDigital display