Air velocity sensors Air velocity transmitter Type
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![Dwyer AVUL-5DB1-LCD Air velocity transmitter | 5% accuracy | duct mount | BACnet communications | with LCD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/avul_family_1000x1000_1_8bafaae0-3a01-482f-80e5-993b56004506_medium.jpg?v=1719998494)
AVUL-5DB1-LCD | Air velocity transmitter | 5% accuracy | duct mount | BACnet communications | with LCD | Dwyer
Brand: Dwyer
SKU: AVUL-5DB1-LCD
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![Dwyer 641-18-LED Air velocity transmitter | 18" (457.2 mm) probe length | with LED display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641_family_1000x1000_5125338a-390d-407b-a91c-f3a082269589_medium.jpg?v=1719998039)
641-18-LED | Air velocity transmitter | 18" (457.2 mm) probe length | with LED display. | Dwyer
Brand: Dwyer
SKU: 641-18-LED
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![Dwyer 641-24 Air velocity transmitter | 24" (609.6 mm) probe length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641_family_1000x1000_aa43b443-98d6-4873-bf4c-2615c85d358d_medium.jpg?v=1719998010)
641-24 | Air velocity transmitter | 24" (609.6 mm) probe length. | Dwyer
Brand: Dwyer
SKU: 641-24
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![Dwyer 641B-4-LED Air velocity transmitter with LED display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641b_1000x1000_ff81ff74-788a-491f-b5f4-bed8581430ef_medium.gif?v=1719997980)
641B-4-LED | Air velocity transmitter with LED display. | Dwyer
Brand: Dwyer
SKU: 641B-4-LED
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![Dwyer 641-24-LED Air velocity transmitter | 24" (609.6 mm) probe length | with LED display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641_family_1000x1000_965e6d34-16dc-4d0f-8274-d76e03fccc0b_medium.jpg?v=1719997971)
641-24-LED | Air velocity transmitter | 24" (609.6 mm) probe length | with LED display. | Dwyer
Brand: Dwyer
SKU: 641-24-LED
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![Dwyer 641-36 Air velocity transmitter | 36" (914 mm) probe length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641_family_1000x1000_060bbe76-3626-4138-950f-18436a788098_medium.jpg?v=1719997970)
641-36 | Air velocity transmitter | 36" (914 mm) probe length. | Dwyer
Brand: Dwyer
SKU: 641-36
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![Dwyer 641-12-LED Air velocity transmitter | 12" (304.8 mm) probe length | with LED display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641_family_1000x1000_b764587a-e881-484e-b638-959392fbf463_medium.jpg?v=1719997965)
641-12-LED | Air velocity transmitter | 12" (304.8 mm) probe length | with LED display. | Dwyer
Brand: Dwyer
SKU: 641-12-LED
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![Dwyer 641-6-LED Air velocity transmitter | 6" (152.4 mm) probe length | with LED display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641_family_1000x1000_b0eaec24-2508-417e-90a4-66baa3ee81a3_medium.jpg?v=1719997960)
641-6-LED | Air velocity transmitter | 6" (152.4 mm) probe length | with LED display. | Dwyer
Brand: Dwyer
SKU: 641-6-LED
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![Dwyer 641-6 Air velocity transmitter | 6" (152.4 mm) probe length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641_family_1000x1000_7ab4d4d7-4063-44bc-bd7e-347998443cfd_medium.jpg?v=1719997950)
641-6 | Air velocity transmitter | 6" (152.4 mm) probe length. | Dwyer
Brand: Dwyer
SKU: 641-6
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![Dwyer 641RM-12 Air velocity transmitter | without LED display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641rm_600x600_1_medium.gif?v=1719997944)
641RM-12 | Air velocity transmitter | without LED display. | Dwyer
Brand: Dwyer
SKU: 641RM-12
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![Dwyer 641-18 Air velocity transmitter | 18" (457.2 mm) probe length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641_family_1000x1000_b13203aa-409a-4fa6-a1d3-35e11b6c638d_medium.jpg?v=1719997940)
641-18 | Air velocity transmitter | 18" (457.2 mm) probe length. | Dwyer
Brand: Dwyer
SKU: 641-18
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![Dwyer 641-12 Air velocity transmitter | 12" (304.8 mm) probe length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641_family_1000x1000_bbc6a79c-9298-4336-8bf0-32b1b0668566_medium.jpg?v=1719997934)
641-12 | Air velocity transmitter | 12" (304.8 mm) probe length. | Dwyer
Brand: Dwyer
SKU: 641-12
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![Dwyer 641-30 Air velocity transmitter | 30" (762 mm) probe length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641_family_1000x1000_12170a9e-7375-4cef-8498-443662e2cb45_medium.jpg?v=1719997934)
641-30 | Air velocity transmitter | 30" (762 mm) probe length. | Dwyer
Brand: Dwyer
SKU: 641-30
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