Endress Hauser AG

- Model PMD55 - Differential Pressure Transmitter

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Differential pressure transmitter with metal sensor for measurement of pressure differences. The Deltabar PMD55 differential pressure transmitter with piezoresistive sensor and welded metallic membrane is typically used in process or environmental applications for continuous measurement of pressure differences in liquids, vapors and gases. Quick Setup with adjustable measuring range allows simple commissioning, reduces costs and saves time. SIL2 according to IEC 61508 / IEC 61511.

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

  • Easy process adaptation to impulse line high-pressure/low-pressure change via electric switch on the main electronics

  • Compact design and modular concept for easy replacement of display or electronics

  • Process pressure up to SIL2, certified to IEC 61508 and IEC 61511

  • Global usage thanks to the widest range of approvals for industries and applications

For level, volume or mass measurement in liquids, differential pressure monitoring, e.g. of filters and pumps as well as flow measurement (volume or mass flow) in conjunction with primary elements in gases, vapors and liquids.

  • Process connections: Threads

  • Process temperature: -40 to 85°C (-40 to 185°F)

  • Measuring ranges: 0.5mbar to 40bar (0.0072 to 600psi)

  • Accuracy: ±0.1%, 'Platinum' ±0.075% (optional)

  • International explosion protection certificates, SIL

  • Measuring principle

    Differential pressure

  • Product headline

    Digital transmitter with metallic measuring diaphragms

    Compact size

    Modular transmitter
    Long-term stability

  • Max. measurement error

    0,1%
    'PLATINUM' 0,075%

  • Max. process pressure

    10mbar...40bar

    (0.15...580psi)

  • Medium temperature range

    Temperature gradient from pressure piping

  • Display/Operation

    Option

  • Outputs

    4...20mA HART

  • Digital communication

    HART

  • Hazardous area approvals

    ATEX, FM, CSA, IECEx, INMETRO, NEPSI, TIIS

  • Functional safety

    SIL

  • Material certificates

    NACE MR0103

    NACE MR0175

    EN10204-3.1

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