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Series AVU Air Velocity Transmitter
Dwyer Air Velocity Transmitter, Series AVU

Series AVU Air Velocity Transmitter

Brand: Dwyer Instruments, LLC
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The Series AVU Air Velocity Transmitter is ideal for a wide range of HVAC measurement and control applications, particularly in complete building control and energy management systems.

The Series AVU Transmitter operates by measuring the heat loss from one of the two sensing elements in the air stream, then calculating the air velocity. 

Units are virtually immune to drift due to the design of the sensing element, which makes the transmitter accurate over the whole air velocity range.
Features
  • 4 to 20 mA or 0 to 10 V output versions
  • NEMA 6 (IP67) enclosure rating
  • AC or DC powered (loop version DC only)
  • 5% or 8% accuracy

1 - 12 of 18 Part Numbers
AVU-1-A
AVU-1-A
DWYER Air Velocity Transmitter, Range 0-785 FPM (0-4 m/s), 4-20 mA Output.
  • Accuracy - 5%
  • Range - 0 to 785 FPM (0 to 4 m/s)
  • Output - 4-20 mA
  • Certificates - None
AVU-1-A-NISTCAL-AV1
AVU-1-A-NISTCAL-AV1
  • Accuracy - 5%
  • Range - 0 to 785 FPM (0 to 4 m/s)
  • Output - 4-20 mA
  • Certificates - NIST Traceable Calibration Certificate
AVU-1-V
AVU-1-V
DWYER Air Velocity Transmitter, Range 0-785 FPM (0-4 m/s), 0-10 VDC Output.
  • Accuracy - 5%
  • Range - 0 to 785 FPM (0 to 4 m/s)
  • Output - 0 to 10 Vdc
  • Certificates - None
AVU-1-V-NISTCAL-AV1
AVU-1-V-NISTCAL-AV1
  • Accuracy - 5%
  • Range - 0 to 785 FPM (0 to 4 m/s)
  • Output - 0 to 10 Vdc
  • Certificates - NIST Traceable Calibration Certificate
AVU-2-A
AVU-2-A
DWYER Air Velocity Transmitter, Range 0-1575 FPM (0-8 m/s), 4-20 mA Output.
  • Accuracy - 5%
  • Range - 0 to 1575 FPM (0 to 8 m/s)
  • Output - 4-20 mA
  • Certificates - None
AVU-2-A-NISTCAL-AV1
AVU-2-A-NISTCAL-AV1
  • Accuracy - 5%
  • Range - 0 to 1575 FPM (0 to 8 m/s)
  • Output - 4-20 mA
  • Certificates - NIST Traceable Calibration Certificate
AVU-2-V
AVU-2-V
DWYER Air Velocity Transmitter, Range 0-1575 FPM (0-8 m/s), 0-10 VDC Output.
  • Accuracy - 5%
  • Range - 0 to 1575 FPM (0 to 8 m/s)
  • Output - 0 to 10 Vdc
  • Certificates - None
AVU-2-V-NISTCAL-AV1
AVU-2-V-NISTCAL-AV1
  • Accuracy - 5%
  • Range - 0 to 1575 FPM (0 to 8 m/s)
  • Output - 0 to 10 Vdc
  • Certificates - NIST Traceable Calibration Certificate
AVU-3-A
AVU-3-A
DWYER Air Velocity Transmitter, Range 0-3150 FPM (0-16 m/s), 4-20 mA Output.
  • Accuracy - 5%
  • Range - 0 to 3150 FPM (0 to 16 m/s)
  • Output - 4-20 mA
  • Certificates - None
AVU-3-A-NISTCAL-AV1
AVU-3-A-NISTCAL-AV1
  • Accuracy - 5%
  • Range - 0 to 3150 FPM (0 to 16 m/s)
  • Output - 4-20 mA
  • Certificates - NIST Traceable Calibration Certificate
AVU-3-V
AVU-3-V
DWYER Air Velocity Transmitter, Range 0-3150 FPM (0-16 m/s), 0-10 VDC Output.
  • Accuracy - 5%
  • Range - 0 to 3150 FPM (0 to 16 m/s)
  • Output - 0 to 10 Vdc
  • Certificates - None
AVU-3-V-NISTCAL-AV1
AVU-3-V-NISTCAL-AV1
  • Accuracy - 5%
  • Range - 0 to 3150 FPM (0 to 16 m/s)
  • Output - 0 to 10 Vdc
  • Certificates - NIST Traceable Calibration Certificate
1 - 12 of 18 Part Numbers

Specifications

Brand

Accuracy

  • ± 5 % of Full Scale
  • ± 8 % of Full Scale

Approvals & Certifications

  • CE

Consumption

  • 60 mA

Electrical Connectors

  • 4-8 mm Wire Cable Gland
  • Screw Terminal

Environmental Protection

  • IP67
  • NEMA 6

Flow Rate

  • 0 to 3150 fpm (0 to 16 mps)

Humidity

  • 0 to 90 % Non-Condensing Relative Humidity

Input

  • 10 V
  • 85 mA

Loop Resistance

  • 700 ohms

Media

  • Clean Air & Compatible
  • Non-Combustible Gases

NACE & NIST

  • NIST

Output

  • > 10 mA
  • 0-10 Vdc
  • 4-20 mA

Power Requirement

  • 24 Vac +10 % - 15 %

Response Time

  • 5 seconds

Temperature Range

  • 0° to 50° C (32° to 122° F)

  • Supply and Exhaust Fan Tracking
  • Clean Room Systems
  • Air Pollution Studies and Manufacturing
  • Zone Control in HVAC Systems

Documentation

Catalogs

Manuals

Brand-Managed Distributed Enterprise Catalogs (DEC)
for Authorized Channel Partners
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