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    Flow / consumption sensor Inline type

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    Flow / consumption sensor  Inline type Energy Saving Product And Accessories


    CS-iTEC flow / consumption sensor S 420

    The new affordable flow sensor S 420 work according to the approved thermal mass flow principle. As a result actual mass flow or standard volumetric flow is measured and displayed without the need of temperature or pressure compensation. Flow sensor S 420 is available with and without display.

    Due to the compact design of flow sensor S 420 it is possible to monitor all compressed air systems from the compressor to the smallest compressed air tool (DN 15 to DN 50) in terms of flow rate and compressed air consumption.

    For larger pipe diameters (DN 50 to DN300) an insertion type flow sensor  S 400 is available. Apart from compressed air also other gases like N2, O2, Ar, N2O, and CO2 can be measured. The installation of the flow sensor S 420 can be done easily and quickly. A special advantage is the removable measuring device. The measuring device can be demounted quickly and easily for calibration purposes without removing the complete measuring section.

    Intelligent solutions for accurate flow measurements for compressed air and gases

    Application

    s420_2

    Stationary use

    Due to the economic solution with S 420 the consumption measurement of compressed air and process gases in branch pipes becomes attractive. This allows the monitoring of gas consumption to different production units.
     

    s420_1

    Mobile use

    The compact design and easy use allows the measurement of compressed air / gas at machine level. In the picture beside S 420 is connected to the air supply of a machine.

    Product features

    • Easy and affordable installation
    • Units freely selectable via keypad m³/h, m³/min, l/min, l/s, kg/h, kg/min, kg/s, cfm
    • Compressed air counter up to 1,999,999,999 m³. Resettable to “zero” via keypad
    • Analogue output 4…20 mA, pulse output (galvanically separated)
    • High measuring accuracy also in the lower measuring range (ideal for leakage measurement)
    • Negligibly small loss of pressure
    • Thermal mass flow principle, no additional pressure and temperature measurement necessary
    • Gas types adjustable via software (N2, O2, CO2, N2O, Ar)

    Technical data

    Measured unit m³/h, m³/min, l/min, cfm, m/s, kg/min, kg/h, kg/s
    (Reference standard can be programmed)
    Default values:
    * Air: Ps=1000 hPa, Ts=20 °C
    all other gases: Ps=1013 hPa, Ts=0°C
    Accuracy ± (2% of measured value + 0.3% full scale)
    Temperature drift: 0.05 % / K
    Pressure drift: 0.5 % / MPa
    Stated accuracy at: Ambient/process temperature 23 °C ± 3°C
    Ambient/process humidity < 90 %, no condensation
    Process pressure at 0.6 MPa
    Process connection: R thread(ISO 7-1),
    Flange EN 1092-1, ANSI / B16.5, JIS B2220
    Principle of measurement: Thermal mass flow
    Sensor: Glass coated resistive sensor
    Measuring Medium: Air, N2, O2, Ar, N2O, CO2
    Operating temperature: -30 to 50 °C
    -10 to 50 °C with local display
    Operating pressure: up to 1.6 Mpa
    up to 4.0 MPa (Optional)
    Analogue output: Signal: 4 to 20 mA
    Scaling: 0 to maximum volume flow
    Accuracy: 0.06 mA
    Pulse output: 1 pulse per consumption unit, insulated
    switch output, max. 30 VDC, 20 mA
    Power supply: 12-30 VDC, 2.4W
    Display: 128 x 64 pixel, with backlight
    Material: Measuring section:
    Stainless steel 1.4404 (sus 316L)

    * Ps: Standard pressure Ts: Standard temperature


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