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AVU-2-A | Air velocity transmitter | range 0-1575 FPM (0-8 m/s) | 4-20 mA output | 5% accuracy. | Dwyer

Air velocity transmitter, range 0-1575 FPM (0-8 m/s), 4-20 mA output, 5% accuracy.

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Overview

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Air velocity transmitter | range 0-1575 FPM (0-8 m/s) | 4-20 mA output | 5% accuracy.

SERIES AVU AIR VELOCITY TRANSMITTER

Ideal for Building Automation Systems, ±5% or ±8% Full-Scale 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.

Product Applications

Supply and exhaust fan tracking
Clean room systems
Air pollution studies and manufacturing
Zone control in HVAC systems

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

Specifications

Series: AVU AIR VELOCITY TRANSMITTER
Category/Type: Air Quality
Type: Air Velocity Transmitters
Series: AVU AIR VELOCITY TRANSMITTER
Service: Clean air and compatible; non-combustible gases.
Accuracy: AVU: ±5% of FS;AVUB: ±8% of FS.
Response Time (90%): 5 sec (typical).
Temperature Limits: 32 to 122°F (0 to 50°C).
Humidity Limit: 0-90% RH; non-condensing.
Power Requirements: -A models 24 VDC +10% - 15%; -V models 24 VDC or 24 VAC +10% - 15%.
Output Signal: -A models 4 to 20 mA current loop; -V models 0 to 10 VDC.
Loop Resistance: (-A models ) 700 Ω.
Current Consumption: 60 mA + output current.
Maximum Start Up Current: 85 mA; 10 V.
Output Current Limit: (-V models) >10 mA.
Electrical Connections: Screw terminal. Cable gland for 4-8 mm wire (16 gage wire).
Enclosure Rating: NEMA 6 (IP67) except sensing point.
Probe Dimensions: 9.45 x .75" (240 x 19 mm).
Mounting Orientation: Unit not position sensitive. Probe must be aligned with airflow.
Weight: 8.8 oz (250 g).
Agency Approvals: CE.