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    Airflow and velocity transmitters

    AVT + AVT -D + AVT -D-R

    The air velocity transmitters are engineered for building automation in the HVAC/R industry. The AVTs measure air velocity and temperature, with field selectable range and output options in a single device. Designed with a duct mount probe and adjustable collar suitable for round or rectangular ducts.

     

     

     

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    Description
    • 3 field selectable measurement ranges for air velocity, selectable via jumper (see Model Summary).
    • Separate readings and outputs for air velocity and temperature.
    • Proportional output options include: voltage (0–10 V) and current (4-20 mA).
    Our device offer:
    • Backlit display
    • Field adjustable relay
    This Device is commonly used in HVAC/R systems for:
    • in-duct air flow and velocity monitoring
    • in-duct temperature monitoring
    • VAV applications
    Technical Information

    Parameter

    Description

    Accuracy

    < 0.2 m/s + 5 % (Range 0...2 m/s)
    < 0.5 m/s + 5 % (Range 0...10 m/s)
    < 1.0 m/s + 5 % (Range 0...20 m/s

    Measuring units

    m/s, °C

    Supply voltage

    24 VDC ±10 % / 24 VAC ±10 %

    Output signal

    0...10 V or 4...20 mA (linear to m/s)

    Power consumption

    35 mA (50 mA with relay) + 40 mA with mA-outputs

    Optional relay output

    Potential free SPDT 250 VAC, 6 A / 30 VDC,
    6 A with adjustable switching point and hysteresis