Dwyer Instruments AVUL-3DA1 | Air velocity transmitter | 3% of reading accuracy | Duct mount | Universal current/voltage outputs
A high-velocity duct-mount air velocity transmitter designed for supply and exhaust duct applications, the Dwyer AVUL-3DB1 provides 3% of reading accuracy, BACnet MS/TP communication, and field-selectable velocity ranges from 1000 to 4000 FPM (5–20 m/s).
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Call +971 6 5436933 to request pricing or confirm availability.
Part Number-AVUL-3DB1
The Dwyer AVUL-3DB1 is designed for higher-velocity supply and exhaust duct applications where reliable air velocity measurement and direct building management system integration are required. It measures air velocity from 1000 to 4000 FPM (5–20 m/s) and provides 3% of reading accuracy through BACnet MS/TP communication.
The transmitter features a NEMA 4X (IP66) enclosure, making it suitable for standard mechanical-room and plenum conditions. It operates across a temperature range of 32–122°F (0–50°C) and tolerates 5–95% RH non-condensing conditions.
With a response time of approximately 4 seconds, or approximately 1 second at constant temperature, the AVUL-3DB1 is suitable for applications requiring responsive airflow monitoring, including AHU and fan-control systems. The unit operates on 24 VDC or 24 VAC with a maximum current requirement of 60 mA, supporting both retrofit projects and new installations.
This version does not include a local display. Instead, measured readings are transmitted through BACnet MS/TP to the connected BMS or controller. Its compact body is designed for installation with a standard duct probe assembly.
For applications where local readings are required, the Dwyer AVUL-3DB1-LCD provides the same 3% of reading accuracy and BACnet communication with an integrated LCD display.
Key Benefits
- 3% of reading accuracy for higher-velocity duct applications
- BACnet MS/TP communication for direct BMS integration
- Field-selectable ranges of 1000, 2000, 3000, or 4000 FPM
- NEMA 4X (IP66) enclosure for mechanical-room and plenum applications
- Compact duct-mount design
- No onboard display, allowing readings to be monitored through the connected BMS or controller
- BTL and CE approvals for supported building automation applications
Who This Product Is Best For
The Dwyer AVUL-3DB1 is suitable for controls contractors, HVAC professionals, BMS integrators, facility management teams, and building automation projects involving higher-velocity duct runs. It is particularly useful where BACnet MS/TP communication is required for integration with an existing building management system.
How to Use
- Mount the AVUL-3DB1 in the duct according to standard probe insertion practices.
- Connect 24 VDC or 24 VAC power and the BACnet communication wiring to the BMS or controller.
- Select the required velocity range: 1000, 2000, 3000, or 4000 FPM.
- Verify that the transmitted velocity reading is being correctly received by the connected BMS or controller.
- Use the BMS interface to monitor the measured airflow velocity.
Frequently Asked Questions
What accuracy does the AVUL-3DB1 provide?
The AVUL-3DB1 provides 3% of reading accuracy across its field-selectable velocity ranges.
What velocity ranges can the AVUL-3DB1 be set to?
The transmitter can be configured for 1000, 2000, 3000, or 4000 FPM, equivalent to 5, 10, 15, or 20 m/s.
Does the AVUL-3DB1 support BACnet?
Yes. The AVUL-3DB1 communicates using BACnet MS/TP for integration with compatible building management systems and controllers.
What is the enclosure rating of the AVUL-3DB1?
The transmitter has a NEMA 4X (IP66) enclosure rating.
Does the AVUL-3DB1 have a local display?
No. The AVUL-3DB1 does not have an onboard display. Readings are transmitted to the connected BMS or controller.
What is the power requirement?
The AVUL-3DB1 operates on 24 VDC or 24 VAC, with a maximum current requirement of 60 mA.
Does GeneralTech Shop deliver the AVUL-3DB1 across the UAE?
Yes. Contact GeneralTech Shop at +971 6 5436933 to confirm availability and delivery timelines for your emirate.
Should I choose the AVUL-3DB1 or AVUL-3DB1-LCD?
The AVUL-3DB1 is designed for applications where readings are monitored through the BMS or controller. The AVUL-3DB1-LCD adds an integrated LCD display for local viewing. Contact GeneralTech Shop if you need help matching the model to your application.
Request a Quote
For pricing, availability, or technical assistance, contact Generaltechshop.ae UAE.
Call: +971 6 5436933
