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Dwyer Air Velocity Transmitter: 4 mA to 20 mA, 122°F, AVUL-3DB1-LCD, 1,000 fpm to 4,000 fpm - Air Velocity Transmitters
DwyerAir Velocity Transmitters

Dwyer Air Velocity Transmitter: 4 mA to 20 mA, 122°F, AVUL-3DB1-LCD, 1,000 fpm to 4,000 fpm

The DWYER Air Velocity Transmitter (model AVUL-3DB1-LCD) is an air velocity transmitter with a 4 mA to 20 mA output, an air velocity accuracy of +/-3%, and a measurement range of 1,000 fpm to 4,000 fpm. It features…

SKU 3G-OTH-168011

Brand
Dwyer
Item
Air Velocity Transmitter: 4 mA to 20 mA, 122°F, AVUL-3DB1-LCD, 1,000 fpm to 4,000 fpm
Category
Air Velocity Transmitters
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Technical Specifications

Dwyer
Manufacturer Part Number
AVUL-3DB1-LCD
Type
122°F, AVUL-3DB1-LCD, 1,000 fpm to 4,000 fpm, LCD
Air Velocity Accuracy
+/-3%
Calibration Certificate
Not Included
Communication Protocol - NEW
BACnet
View Full Spec Sheet

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DWYER Air Velocity Transmitter (model AVUL-3DB1-LCD) is an air velocity transmitter with a 4 mA to 20 mA output, an air velocity accuracy of +/-3%, and a measurement range of 1,000 fpm to 4,000 fpm. It features an LCD display and supports the BACnet communication protocol. This unit has a maximum operating temperature of 122°F and does not include a calibration certificate.

Frequently Asked Questions

What is the DWYER AVUL-3DB1-LCD air velocity transmitter used for?

The DWYER AVUL-3DB1-LCD air velocity transmitter measures air velocity from 1,000 fpm to 4,000 fpm with +/-3% accuracy. It is used in HVAC systems, cleanrooms, and industrial ventilation to monitor airflow, with a 4 mA to 20 mA output and BACnet communication for building automation.

What are the specifications of the DWYER AVUL-3DB1-LCD?

The DWYER AVUL-3DB1-LCD air velocity transmitter has a measurement range of 1,000 fpm to 4,000 fpm, accuracy of +/-3%, output of 4 mA to 20 mA, maximum operating temperature of 122°F, and supports BACnet protocol. It includes an LCD display but no calibration certificate.

Where to buy the DWYER AVUL-3DB1-LCD worldwide?

3G Electric supplies the DWYER AVUL-3DB1-LCD air velocity transmitter worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the DWYER AVUL-3DB1-LCD air velocity transmitter?

Install the DWYER AVUL-3DB1-LCD in a straight duct section per manufacturer guidelines, ensuring proper orientation for accurate airflow measurement. Connect the 4 mA to 20 mA output to a BACnet-compatible controller. Verify wiring and test with a known airflow source before commissioning.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer air velocity transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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