For accurate measurement in both gases and liquids, a digital pressure transmitter with an oil-free ceramic sensor is recommended. This type of transmitter provides reliable and precise readings without the risk of oil contamination, making it suitable for a wide range of applications.

Specs at a glance

• Accuracy

  Standard: 0.05%
  Platinum: up to 0.025%

• Process temperature

  -40°C…150°C
  (-40°F…302°F)

• Pressure measuring range

  100mbar…40bar
  (1.5psi…600psi)

• Process pressure / max. overpressure limit

  60bar (900psi)

• Main wetted parts

  Ceraphire ceramic
  Alloy C
  316L
  Monel
  PVDF

• Max. measurement distance

  400m (1312ft) H2O

• Material process membrane

  Ceramic

• Measuring cell

  100 mbar…40 bar
  (1.5 psi…600 psi)
  relative/ absolute

Field of application

The Cerabar PMC71 digital pressure transmitter with capacitive, oil-free ceramic measuring cell is typically used in the process and hygienic applications for pressure, level, volume or mass measurement in liquids and gases. It guarantees high degree of system safety thanks to vacuum-proof ceramic membrane with integrated breakage detection. Quick Setup with adjustable measuring range allows simple commissioning, reduces costs and saves time. SIL2/3 according to IEC 61508.

Two chamber aluminum or stainless steel (316L) housing.

• Process connections: Threads, flanges or hygienic connections

• Process temperature: -40 to +150°C (-40 to +302°F)

• Measuring ranges: -1/0 up to to +40bar (+1.5 to +600psi)

• Accuracy: ±0.05%, “Platinum” ±0.025%

• International explosion protection certificates, overfill prevention WHG, SIL, hygienic approvals, marine approvals

Benefits

• Best fit for vacuum applications and applications with corrosive and abrasive media

• Process safety through membrane breakage detection

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

• HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics

• Easy menu-guided commissioning via local display, 4 to 20mA with HART, PROFIBUS PA, FOUNDATION Fieldbus

• Highest safety due to gastight feedthrough with capabilities up to SIL2/3, certified to IEC 61508

• Available with mounted manifolds: always fit, always tested for leaks

  Specifications

  • Characteristic

    Digital transmitter with capacitive sensor and ceramic membrane
    Modular transmitter
    Long term stability
    Enhanced safety via self diagnostic functions
    Secondary process barrier

  • Supply voltage

    4…20 mA HART
    10,5…45V DC (Non Ex):
    Ex ia: 10,5…30V DC
    PROFIBUS PA:
    9…32 V DC (Non Ex)
    FOUNDATION Fieldbus:
    9…32 V DC (Non Ex)

  • Reference Accuracy

    Standard: 0.05%
    Platinum: up to 0.025%

  • Long term stability

    0.05 % of URL/ year
    0.08 % of URL/ 5 years
    0.1 % of URL/ 10 years

  • Process temperature

    -20°C…150°C
    (-4°F…257°F)

  • Ambient temperature

    -40°C…85°C
    (-40°F…185°F)

  • Measuring cell

    100 mbar…40 bar
    (1.5 psi…600 psi)
    relative/ absolute

  • Smallest calibratable span

    5 mbar (0.075 psi)

  • Vacuum resistance

    0 mbar abs.

  • Max. Turn down

    100:1

  • Max. overpressure limit

    60 bar (900 psi)

  • Process connection

    Thread:
    G1/2…G2, R1/2, MNPT1/2…MNPT2
    Flange:
    DN25…DN80,
    ASME 1″…4″,
    JIS 10K

  • Process connection hygienic

    Tri-Clamp
    DIN11851
    Varivent N
    SMS
    DRD

  • Material process membrane

    Ceramic

  • Material gasket

    Viton, EPDM, Chemraz, Kalrez, NBR

  • Fill fluid

    none, dry measuring cell

  • Material housing

    Die-cast aluminum,
    AISI 316L

  • Communication

    4…20 mA HART
    PROFIBUS PA
    FOUNDATION Fieldbus

  • Certificates / Approvals

    ATEX, FM, CSA, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC, UK Ex

  • Design approvals

    EN10204-3.1

  • Hygienic approvals

    3A, EHEDG

  • Marine approvals

    GL/ ABS

  • Drinking water approvals

    NSF

  • Specialities

    Diagnostic functions

  • Successor

    PMC71B