Air Velocity Transmitter – HK Instruments AVT Series

Features

  • 3 field selectable measurement ranges for air velocity, selectable via jumper (see Product information).
  • Separate readings and outputs for air velocity and temperature.
  • Proportional output options include: voltage (0–10 V) and current (4–20 mA).
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The AVT is an electronic air velocity and temperature transmitter for air and non-combustible gases with optional relay output.

AVT series air velocity transmitters are engineered for building automation in the HVAC/R industry. The AVT measures 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.

AVT series device options offer:

  • Backlit display
  • Field adjustable relay

Applications

AVT series devices are commonly used in HVAC/R systems for:

  • in-duct air flow and velocity monitoring
  • in-duct temperature monitoring
  • VAV applications

Specification

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 %
Power consumption: 35 mA (50 mA with relay) + 40 mA with mA-outputs
Output signal 1: 0…10 V (linear to °C) or 4…20 mA (linear to °C)
Output signal 2: 0…10 V (linear to m/s) or 4…20 mA (linear to m/s)
Optional relay output: Potential free SPDT 250 VAC, 6 A / 30 VDC, 6 A with adjustable switching point and hysteresis
Operating temperature: 0…+50 °C
Probe: Adjustable immersion lenght 50…190 mm, mounting flange included
Protection standard: IP54

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HK Instruments AVT Series Air Velocity Transmitter-DpstarGroup

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