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Series AVU Air Velocity Transmitter

Brand: Dwyer Instruments, LLC
Does not ship to VA, United States
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
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
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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)
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Applications

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