Dwyer Instruments AVLV-1DA1-LCD | Air velocity transmitter | 1% accuracy | Duct mount | Universal current/voltage outputs with LCD display
The Dwyer AVLV-1DA1-LCD air velocity transmitter is a duct-mount solution designed for accurate airflow monitoring and flexible integration with building management systems using universal current/voltage analog outputs. It provides 1% accuracy, four field-selectable velocity ranges, and an onboard 5-digit LCD for convenient local monitoring.
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Part Number: AVLV-1DA1-LCD
The Dwyer AVLV-1DA1-LCD is a duct-mount air velocity transmitter designed for integration into building management and HVAC control systems through universal current/voltage analog outputs. It provides 1% accuracy across four field-selectable velocity ranges: 100, 200, 300, or 400 FPM (0.5, 1, 1.5, or 2 m/s).
The transmitter features a NEMA 4X (IP66) enclosure, providing protection for electronics installed in mechanical rooms, plenum spaces, and typical HVAC environments. It operates from 32 to 122°F (0 to 50°C) and supports 5–95% RH non-condensing humidity.
With a response time of approximately 4 seconds typical, or approximately 1 second at constant temperature, the AVLV-1DA1-LCD is suitable for standard VAV and AHU airflow control applications. The transmitter operates on 24 VAC or 24 VDC power with maximum current consumption of 60 mA.
The integrated 5-digit LCD display provides a local air velocity readout directly at the transmitter. This is useful during system commissioning, troubleshooting, and field verification without requiring a laptop or separate monitoring device.
The transmitter provides 4–20 mA, 0–5 VDC, or 0–10 VDC analog output options, allowing it to connect with controllers and BMS equipment that use standard current or voltage inputs.
The compact 6.0 oz body is designed for convenient installation with a standard duct probe assembly. BTL and CE approvals support its use in professional HVAC and building automation applications.
If a local display is not required, the Dwyer range also includes the AVLV-1DA1, which provides 1% accuracy and universal current/voltage analog outputs without the onboard LCD.
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Key Benefits
- 1% accuracy for reliable duct air velocity measurement
- Universal current/voltage analog outputs for flexible BMS integration
- 4–20 mA, 0–5 VDC, and 0–10 VDC output options
- Four field-selectable velocity ranges from 100 to 400 FPM
- NEMA 4X (IP66) enclosure for HVAC and mechanical room applications
- Integrated 5-digit LCD display for local monitoring
- Suitable for VAV and AHU airflow control
- Compact 6.0 oz design
- 24 VAC or 24 VDC power supply
- BTL and CE approvals
Who This Product Is Best For
The Dwyer AVLV-1DA1-LCD is suitable for:
- BMS integrators
- HVAC controls contractors
- Building automation professionals
- VAV system installers
- AHU control applications
- Commercial HVAC projects
- Industrial building automation systems
It is particularly useful where accurate duct air velocity measurement, flexible analog signal compatibility, and local display functionality are required.
How to Use
- Mount the AVLV-1DA1-LCD in the duct according to standard probe installation practices.
- Connect the transmitter to a 24 VAC or 24 VDC power supply.
- Connect the appropriate analog output to the BMS or controller.
- Select the required velocity range: 100, 200, 300, or 400 FPM.
- Select the required output type: 4–20 mA, 0–5 VDC, or 0–10 VDC.
- Verify the air velocity reading on the onboard 5-digit LCD.
- Confirm that the connected BMS or controller is receiving the analog signal correctly.
Frequently Asked Questions
What accuracy does the Dwyer AVLV-1DA1-LCD provide?
The AVLV-1DA1-LCD provides 1% accuracy across its field-selectable velocity ranges.
What velocity ranges can the AVLV-1DA1-LCD be set to?
It can be configured for 100, 200, 300, or 400 FPM, equivalent to 0.5, 1, 1.5, or 2 m/s.
What outputs does the AVLV-1DA1-LCD provide?
The transmitter provides universal current/voltage analog outputs, including 4–20 mA, 0–5 VDC, and 0–10 VDC.
Does the AVLV-1DA1-LCD have a local display?
Yes. It features an integrated 5-digit LCD display for local readings and field commissioning.
What is the enclosure rating?
The transmitter has a NEMA 4X (IP66) enclosure rating, making it suitable for mechanical room and plenum installations.
What power supply does the AVLV-1DA1-LCD require?
It operates on 24 VAC or 24 VDC with maximum current consumption of 60 mA.
What is the difference between the AVLV-1DA1-LCD and AVLV-1DA1?
The AVLV-1DA1-LCD includes a 5-digit LCD for local monitoring, while the AVLV-1DA1 does not include an onboard display. Both provide 1% accuracy and universal current/voltage analog outputs.
Does GeneralTech Shop deliver the AVLV-1DA1-LCD across the UAE?
Yes. Contact GeneralTech Shop at +971 6 5436933 to confirm availability and delivery timelines for your emirate.
Request a Quote
For pricing, availability, or technical assistance with the Dwyer AVLV-1DA1-LCD air velocity transmitter, contact Generaltechshop.ae
Phone: +971 6 5436933
