The DWYER AVUL-3DA1-LCD air velocity transmitter accurately measures air velocity or volumetric flow in imperial or metric units. Simultaneous current and voltage outputs provide universal inputs to monitoring equipment. The output range, units, and 0 to 5/10 VDC output can be configured via local DIP switches.
Measures air velocity or volumetric flow
Configurable output range and units
Optional integral display for local monitoring
Product Highlights
The AVUL series air velocity transmitter is designed for use in VAV systems, building ducts, and HVAC systems.
Product Information
Standard Information
Brand: DWYER
Manufacturer Part Number: AVUL-3DA1-LCD
Country of Origin: United States
Technical Specifications
Service
Clean air and non-combustible, compatible gases
Temperature Limits
32 to 122 F (0 to 50 C)
Humidity Limits
5 to 95% RH, non-condensing
Power Requirements
24 VDC 20% or 24 VAC 20%
Output Signal
4 mA to 20 mA
Response Time (90%)
10 seconds, typical
Zero & Span Adjustments
Digital push buttons
Display
LCD
Nominal Accuracy
+/-3%
Velocity Accuracy
+/-3% (32 Degrees to 122 Degrees F)
Velocity Ranges
FPM: 1000, 2000, 3000, 4000
Communication Type
Analog Universal
Probe Length (In.)
7 41/64 in
Maximum Feet Per Minute
4000 FPM
Connection Size
1/2 in
Type
Air Velocity Transmitter
Connection
1/2 in NPS thread
Accuracy
(3% of reading +0.2 m/s) @ standard conditions, depending on model.