NAMUR isolating amplifier

UTD20 transducer

The customized solution for differential pressure applications

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    Customized transducer with piezo-resistive silicon sensor for differential pressure applications

    Technical data

    Measuring ranges

    0...1.5bar

    Measuring range and zero point can be set

    Accuracy

    < ±0.5 % of the nominal range (total performance)

    Operational range

    -40 to +85°C

    Materials in contact with the process

    Stainless steel

    Safety

    Safety

    Communication via safe protocols

     

    Improved EMC

     

    System without any sealings

    Application-specific configuration

    Configuration

    Sensor preconfigured at the factory (attenuation, turn-down, measuring range ...)

     

    Adjustable measuring rate for optimum resolution/power consumption

     

    Option of configuration by customer

     

    Output of pressure and temperature signals possible

     

    Power consumption 2.5 to 10mW

    Communication

    Communication

    Analog output signal - voltage output ratiometric or 10...90% of supply voltage (2.9...5.5  supply)

     

    Digital output signal - SPI or UART interface

     

    Integrated switching signal

    Option

    Optional

    Oxygen applications in preparation

  • Betriebsbedingungen

    Umgebungs-/Prozesstemperatur

    -40 bis +100 °C

    Lagertemperatur

    -40 bis +125 °C

    Elektrostatische Entladung (ESD)

    ± 2kV

    Ausgangssignal und Energieversorgung

    Betriebsspannung

    2,9 bis 5,5 V

    Stromverbrauch

    < 1,5 mA

    Analoges Ausgangssignal

    Ratiometrisches oder absolutes analoges Ausgangssignal

    Digitale Schnittstelle

    UART oder SPI

    Drucksignal

    24 bit

    Temperatursignal (optional)

    16 bit

    Messrate

    1,25 bis 80 ms

    Operating conditions
    Ambient temperature

    For single installation: –20 to +60 °C (–4 to +140 °F)

    for rail mounting without gaps: –20 to +50 °C (–4 to +122 °F)

    Storage temperature –20 to +85 °C (–4 to +185 °F) (preferably at +20 °C/+68 °F)
    Ingress Protection IP 20
    EMC Interference emission to EN 61326; Class B apparatus; interference immunity to EN 61326; Appendix A (Industry) and NAMUR Recommendation NE 21 (EMC)
    Materials
    Housing Polycarbonate, light grey, RAL 7035
    Front cover Polyamide PA6, blue
    Fixing slide (for fixing to top-hat rail), Polyamide PA6, black, RAL 9005
    Approvals
    Ex approval ATEX II (1) GD [EEx ia] IIC
    WHG approval Overspill protection to §19 WHG (Germany)  

    Dimensions (in mm)

    NAMUR Isolating amplifier - FTL325N - Dimensions
    Installation according to instruction manual

    Electrical connection

    1-channel version