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product picture of the ultrasonic flowmeter FLOWSIC610

FLOWSIC610
ultrasonic flowmeter

Custody transfer hydrogen gas measurement

IFL610
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  • Measuring principle

    Ultrasonic transit time difference measurement

  • Measured variables

    Volume a. c., volumetric flow a. c., gas velocity, speed of sound, hydrogen purity (option)

  • Measuring Medium

    Hydrogen with purity >95%
    Hydrogen with purity >90% (on request)

  • Repeatability

    ≤ ± 0.05 % of the measured value

  • Accuracy

    Typical error limits Qt ... Qmax | (Qmin ... Qt):
    ≤ ±0.5 % | (±1.0 %) dry calibrated
    ≤ ±0.2 % | (± 0.5 %)
    After flow calibration and adjustment with constant
    factor. Without uncertainty of the flow test facility.
    ≤ ±0.1 % | (±0.2 %)
    After flow calibration and adjustment with polynomial
    or piecewise correction. Without uncertainty of the
    calibration test facility.

  • Min. piping requirements

    ≥DN100 - straight inlet section ≥10DN or ≥2DN+FC+3DN, outlet section ≥3DN
    DN50, DN80 - straight inlet section ≥5DN/FC/10DN, outlet section ≥3DN

  • Medium temperature range

    -40 °C…+60 °C / -40 °F…+140 °F
    -40 °C…+85 °C / -40 °F…+185 °F (on request)

  • Operating pressure range

    Standard: 15…102.1 bar(g) (217...1,480 psi(g))
    Optional: 7…102.1 bar(g) (102...1,480 psi(g))
    Others on request

  • Nominal pipe size

    DN50 … DN400 / 2” … 16”
    Others on request

  • Metrological approvals and certificates

    Metrological:
    MID 2014/32/EU Class 1
     
    Explosion protection:
    IECEx/ATEX: IEC 60079, EN 61326-1:2013
     
    Pressure rating:
    ASME: B16.5/B16.47, B36.19/B36.10
     
    For details see operating instructions

  • Hazardous area approvals

    IECEx
    Ex db ia [ia Ga] IIС T4 Gb
     
    ATEX
    II 2(1) G Ex db ia [ia Ga] IIC T4 Gb

  • Digital Outputs

    4x digital output
    therof 2x as frequency output (10kHz max)

  • Digital communication

    Modbus RS-485 (2x)
    Modbus RTU/ASCII
    Blutooth
    USB

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