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Cerabar PMP75 - Absolute and gauge pressure

Absolute and
gauge pressure
Cerabar PMP75

Digital pressure transmitter with fully welded diaphragm seal for measurement in gases or liquids

PMP75
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Measuring / Application task

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  • Measuring principle

    Absolute and gauge pressure

  • Characteristic

    Digital transmitter with piezoresistive sensor and diaphragm seal
    Modular transmitter
    Long term stability
    Minimum oil volume process connection
    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

    0,075% + influence of diaphragm seal

  • Long term stability

    0.05 % of URL/ year
    0.07 % of URL/ 5 years
    0.1 % of URL/ 10 years

  • Process temperature

    -70°C...400°C
    (-94°F...752°F)

  • Ambient temperature

    -50°C...85°C
    (-58°F...185°F)

  • Measuring cell

    400 mbar...400 bar
    (5.8 psi...6000 psi)
    relative/ absolute

  • Smallest calibratable span

    5 mbar (0.075 psi)

  • Vacuum resistance

    10 mbar (0.15 psi)

  • Max. Turn down

    100:1

  • Max. overpressure limit

    1050 bar (15.750 psi)

  • Process connection

    Thread:
    G1/2...G2, R1/2, MNPT1/2...MNPT2, NPT1/2...NPT1
    Flange:
    DN25...DN100,
    ASME 1"...4",
    JIS 10K
    Diaphragm seal

  • Process connection hygienic

    Tri-Clamp
    DIN11851
    NEUMO
    Varivent
    SMS
    DRD
    Universal adapter

  • Material process membrane

    316L, AlloyC,
    Tantal
    Rhodium> Gold
    PTFE

  • Material gasket

    None, diaphragm welded

  • Fill fluid

    Silicone oil,
    Inert oil,
    Vegetable oil,
    High temperature oil,
    Low temperature oil,

  • Material housing

    Die-cast aluminum,
    AISI 316L

  • Communication

    4...20 mA HART
    PROFIBUS PA
    FOUNDATION Fieldbus

  • Certificates / Approvals

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

  • Safety approvals

    SIL

  • Design approvals

    EN10204-3.1
    NACE MR0103

  • Hygienic approvals

    3A, EHEDG

  • Marine approvals

    GL/ ABS

  • Specialities

    Diagnostic functions
    TempC Membrane

  • Successor

    PMP71B

  • Measuring principle

    Absolute and gauge pressure

  • Characteristic / Application

    Digital transmitter with piezoresistive sensor and diaphragm seal
    Modular transmitter
    Long term stability
    Minimum oil volume
    Enhanced safety via self diagnostic functions
    Secondary process barrier

  • Specialities

    Diagnostic functionalities
    Different languages in software

  • Supply / Communication

    4...20mA HART:
    10,5...45V DC
    Ex ia: 10,5...30V DC
    PROFIBUS PA /
    FOUNDATION Fieldbus:
    9...32V DC

  • Accuracy

    0,075% + influence of diaphragm seal

  • Long term stability

    0,05% of URL/year

  • Ambient temperature

    -50°C...85°C
    (-58°F...185°F)

  • Process temperature

    -70°C...400°C
    (-94°F...752°F)

  • Process pressure / max. overpressure limit

    1050bar (15,200psi)

  • Pressure measuring range

    400 mbar...400 bar
    (5.8 psi...6000 psi)

  • Main wetted parts

    Alloy C276
    316L
    Monel
    Tantalum
    PTFE-Foil

  • Process connection

    Threads
    Flanges (DIN, ASME, JIS) with flush membrane
    Tri-Clamp ISO02852
    Hygienic connections

  • Max. measurement distance

    7000m (22.966ft) H2O

  • Communication

    4...20 mA HART
    PROFIBUS PA
    FOUNDATION Fieldbus

  • Certificates / Approvals

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

  • Safety approvals

    SIL

  • Design approvals

    EN 10204-3.1
    NACE MR0175, MR0103

  • Hygienic approvals

    3A, EHEDG

  • Marine approval

    GL/ ABS

  • Options

    HistoROM/M-Dat
    4-line digital display
    SS- or Aluminiumhousing
    Separate housing

  • Successor

    PMP71B

  • Application limits

    Measuring cell: Metal
    welded
    If pressurized, possibly
    use differential pressure
    meas-urement with two
    pressure transmitters
    (electronic dp). Observe
    ratio head pressure :
    hydrostatic pressure

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