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Absolute and
gauge pressure
Ceraphant PTP31B

Ceraphant PTP31B - Absolute and gauge pressure ©Endress+Hauser

Pressure measuring principle

  • Ceraphant PTP31B - Absolute and gauge pressure

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

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. The IO-Link capability allows easy integration and parametrization of the device.

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Variable

  • Specs at a glance

    • Measuring cell

      +400 mbar....+400 bar
      (+6 psi...+6000 psi)

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Additional components

  • Benefits

    • 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

    • IO-Link...

  • Field of application

    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...

Features and specifications

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Details

  • Measuring principle

    Pressure switch

  • Characteristic

    Intelligent pressure switch with piezoresistive sensor,
    longterm stable and overload resistant

  • Supply voltage

    10...30 VDC

  • Reference Accuracy

    0.5 %,

    Platinum: 0.3 %

  • Long term stability

    0.2 % 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 limit

    600 bar (9000 psi)

  • Process connection

    Threads:

    G1/4, G1/2,

    MNPT1/4, MNPT1/2,

    DIN13,

    JIS R1/2

  • Communication

    1x PNP switch

    2x PNP switch

    1x PNP switch +

    4...20mA analogue

    AC/DC, DC-PNP

    IO-Link

  • Design approvals

    EN 10204-3.1 Final inspection report

    Cleaned from oil and grease

    Set min alarm

  • Specialities

    Digital display

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
    • Order code 52002643

      Weld-in adapter G1/2, 316L

      Flush mount process connection. Material: 316L. Usage: PMP11, PMP21, PMP51, PTP31B. Correct installation only with dummy.

    • Order code 52006263

      Socket for plug 4p-125V, 4A-M12

      M12 socket for plug. Self confectionery connection. Usage: plug M12.

    • Order code 52009800

      Flat gasket 18,5x23,9x1,5 FKM, 5 pieces

      Process gasket FKM Viton. Usage: Cerabar M/S, Cerabar PMP11/PMP21, metal cell.

    • Order code 52010172

      Weld-in adapter G1/2, 316L, 3.1

      Flush mount process connection. Material: 316L. Inspection cert. EN10204-3.1 material. Usage: PMP11, PMP21, PMP51, PTP31B. Correct installation only with dummy.

    • Order code 52010285

      Cable 4x0.34, box M12,Cu Sn/Ni,90o,L=5m

      M12 plug connector. 5m cable PVC, Cu Sn/Ni lock. Usage: FMB50/FMB51/FMB52/FMB53, FTL31/FTL33, FTW23, FTW33, PMC11, PMC21, PMC51, PMP11, PMP21/PMP23, PMP51/PMP55, PTC31B, PTP31B/PTP33B.

    • Order code 71114212

      Plug connector M12 90deg

      Self confectionery connection. Usage: plug M12.

    • Order code 71286350

      Sealing kit PMPx1, PTP31B, FKM, 2 pcs.

      Consists of: gasket 18.5x23.9x1.5 FKM. O-ring 14x1.78, FKM. Usage: PMP11, PMP21, PMP51, PTP31B.

    • Order code 71336104

      Valve Plug ISO4400 M16, PTP/PTC3xB

      4-pole. Consists of: plug connector, srew, seal. Usage: PTC31B, PTP31B/PTP33B.

    • Order code 71336105

      Valve plug ISO4400 NPTF1/2, PTP/PTC3xB

      4-pole. Consists of: plug connector, srew, seal. Usage: PTC31B, PTP31B/PTP33B.

    • Order code

      Unit is not repairable.

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