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There are 12 products.

Series 641 Air Velocity Transmitters

With a range of features, capacities, and abilities, the series 641 air velocity transmitters are suitable for monitoring accurate air flow through a system. Produced by the leading manufacturer, the transmitters use a heated mass flow sensor to allow for precise velocity measurements. View the complete list of products below to find the one for you, and if you have any questions concerning any of our items, please contact us at or chat with us live.


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