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    CS Instruments VA 525 - Compact in-line flow sensor

    Manufacturer:
    Flow sensor with integrated flow straightener / no inlet sections necessary. The newly developed VA 525 combines modern digital interfaces for connection to an energy monitoring system with a small, compact design.
    Part Number: VA525
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    Delivery date: 2-3 weeks

    Flow sensor with integrated flow straightener / no inlet sections necessary

    The newly developed VA 525 combines modern digital interfaces for connection to an energy monitoring system with a small, compact design. Due to its reasonable price and modern digital interfaces this compact in-line flow sensor is used when many machines (compressed air consumers) are to be integrated as easily as possible into an energy monitoring network.

    The high-contrast, integrated display also displays the current values rotated by 180° if desired (very useful for overhead installation). Depending on the configuration, two of the following values can be displayed:

    • Current consumption in m³/h, l / min, ...
    • Total consumption (meter reading) in m³, l, kg
    • Temperature measurement
    • Optional: Pressure measurement


    Special Features

    • Compact, small design - for use in machines, behind maintenance unit at the end user
    • Optionally with classic analogue signals (4...20 mA and pulse) or digital interfaces such as Modbus RTU, Ethernet (also PoE), M-Bus
    • All interfaces are programmable via the display

    Which compressed air flow meter should be used at which point?


    How to implement a complete compressed air monitoring system within an industrial environment

    The CS Instruments product portfolio includes measuring devices for numerous applications in compressed air and gas measurement for both small industrial companies and large OEM customers.


    Technical Information
    Parameters m³/h, l/min (1000 mbar, 20 °C) in case
    of compressed air or Nm³/h, Nl/min
    (1013 mbar, 0 °C) in case of gases
    Units adjustable via
    keys at display    		 m³/h, m³/min, l/min, l/s, ft/min, cfm, m/s,
    kg/h, kg/min, g/s, lb/min, lb/h
    Sensor Thermal mass flow sensor
    Measured medium Air, gases
    Gas types are adjustable over CS service
    software or CS data
    logger:     		Air, nitrogen, argon, CO2
    Measuring range See table above
    Accuracy:
    (o. M. V. = of measured
    value)
    (o. F. S. = of full scale)    		 ± 1.5% of m.v. ± 0.3 % of f.s.
    on request:
    ± 1% of m.v. ± 0.3% of f.s. or ± 6% of
    m.v. ± 0.5% of f.s
    Pressure measurement 0…16 bar, accuracy: 1%, or
    10…2000 mbar (abs)
    Operating temperature -20…60 °C
    Operating pressure Up to 16 bar
    Digital output RS 485 interface, (Modbus-RTU),
    M-Bus (optional) Ethernet interface or
    PoE
    Analogue output 4…20 mA for m³/h or l/min
    Pulse output 1 pulse per m³ or per litre electrically
    isolated. Pulse weight can be set on
    the display.
    Alternatively, the pulse output can be
    used as an alarm relay
    Supply 18…36 VDC, 5 W
    Burden < 500 Ω
    Housing Polycarbonate (IP 65)
    Measuring section Aluminium
    Connection thread of
    measuring sections    		 G 1/4" to G 2" (BSP British Standard
    Piping) or 1/2" to 2" NPT thread
    Mounting position any

    Flow sensor with integrated flow straightener / no inlet sections necessary

    The newly developed VA 525 combines modern digital interfaces for connection to an energy monitoring system with a small, compact design. Due to its reasonable price and modern digital interfaces this compact in-line flow sensor is used when many machines (compressed air consumers) are to be integrated as easily as possible into an energy monitoring network.

    The high-contrast, integrated display also displays the current values rotated by 180° if desired (very useful for overhead installation). Depending on the configuration, two of the following values can be displayed:

    • Current consumption in m³/h, l / min, ...
    • Total consumption (meter reading) in m³, l, kg
    • Temperature measurement
    • Optional: Pressure measurement


    Special Features

    • Compact, small design - for use in machines, behind maintenance unit at the end user
    • Optionally with classic analogue signals (4...20 mA and pulse) or digital interfaces such as Modbus RTU, Ethernet (also PoE), M-Bus
    • All interfaces are programmable via the display

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