Dwyer Air Velocity Transmitter: 4 mA to 20 mA, 32°F to 140°F, 641-24
The DWYER Air Velocity Transmitter (model 641-24) is an air velocity transmitter that outputs a 4 mA to 20 mA signal. It measures air velocity from 250 fpm to 15,000 fpm within a temperature range of 32°F to 140°F…
SKU 3G-OTH-168006
Also listed as: 64124 · 641 24
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The DWYER Air Velocity Transmitter (model 641-24) is an air velocity transmitter that outputs a 4 mA to 20 mA signal. It measures air velocity from 250 fpm to 15,000 fpm within a temperature range of 32°F to 140°F, with an accuracy of +/-3% from 32 to 122 °F. This unit does not include a calibration certificate.
Frequently Asked Questions
What is the Dwyer 641-24 air velocity transmitter used for?
The Dwyer 641-24 air velocity transmitter measures air flow in HVAC ducts, fume hoods, and clean rooms. It outputs a 4 mA to 20 mA signal proportional to air velocity from 250 fpm to 15,000 fpm, making it suitable for ventilation monitoring and industrial air handling systems.
What are the specifications of the Dwyer 641-24 air velocity transmitter?
The Dwyer 641-24 measures air velocity from 250 fpm to 15,000 fpm with an accuracy of +/-3% from 32°F to 122°F. It operates from 32°F to 140°F and provides a 4 mA to 20 mA output. The unit does not include a calibration certificate.
Where to buy the Dwyer 641-24 air velocity transmitter worldwide?
3G Electric supplies the Dwyer 641-24 air velocity transmitter worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.
How to install the Dwyer 641-24 air velocity transmitter?
Mount the Dwyer 641-24 in a straight duct section with minimal turbulence, following the manufacturer's orientation guidelines. Connect the 4 mA to 20 mA output to a compatible controller or PLC. Ensure the sensing element is clean and free of debris for accurate readings.
Used in
Common applications for DwyerDwyer 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.
