Dwyer Air velocity transmitter Type
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![Dwyer 641-30 Air velocity transmitter | 30" (762 mm) probe length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/641_family_1000x1000_911a8817-3886-4aa9-8874-87b8cafb01e5_medium.jpg?v=1688838734)
641-30 | Air velocity transmitter | 30" (762 mm) probe length. | Dwyer
Brand: Dwyer
SKU: 641-30
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![Dwyer 641-36-LED Air velocity transmitter | 36" (914 mm) probe length | with LED display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/641_family_1000x1000_107478a3-b27d-4c4e-a99e-f2d55f05fa4b_medium.jpg?v=1688838339)
641-36-LED | Air velocity transmitter | 36" (914 mm) probe length | with LED display. | Dwyer
Brand: Dwyer
SKU: 641-36-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/products/641_family_1000x1000_971e42b8-af22-4484-8572-d32e1c6c24c6_medium.jpg?v=1688839863)
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 641-30-LED Air velocity transmitter | 30" (762 mm) probe length | with LED display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/641_family_1000x1000_90b21150-c9ca-4708-900f-bf78a9f8f0c8_medium.jpg?v=1688838611)
641-30-LED | Air velocity transmitter | 30" (762 mm) probe length | with LED display. | Dwyer
Brand: Dwyer
SKU: 641-30-LED
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![Dwyer 641B-4 Air velocity transmitter. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/641b_1000x1000_60aecc4b-bd0e-455f-8ff4-1e458a0dabf9_medium.gif?v=1688838756)
641B-4 | Air velocity transmitter. | Dwyer
Brand: Dwyer
SKU: 641B-4
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![Dwyer 641-6 Air velocity transmitter | 6" (152.4 mm) probe length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/641_family_1000x1000_3c494658-20db-45ec-b4bc-5e84c40063e7_medium.jpg?v=1688839377)
641-6 | Air velocity transmitter | 6" (152.4 mm) probe length. | Dwyer
Brand: Dwyer
SKU: 641-6
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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/products/641_family_1000x1000_d157ed6d-5b6c-456f-8744-2f0be4df2d87_medium.jpg?v=1688840075)
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 641-18 Air velocity transmitter | 18" (457.2 mm) probe length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/641_family_1000x1000_f18d575f-316b-4d5f-b03e-f3b2ecbb72ad_medium.jpg?v=1688839055)
641-18 | Air velocity transmitter | 18" (457.2 mm) probe length. | Dwyer
Brand: Dwyer
SKU: 641-18
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![Dwyer 641-24 Air velocity transmitter | 24" (609.6 mm) probe length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/641_family_1000x1000_d2860fc4-7431-4ade-bf14-bd7aa6d6b5f0_medium.jpg?v=1688842107)
641-24 | Air velocity transmitter | 24" (609.6 mm) probe length. | Dwyer
Brand: Dwyer
SKU: 641-24
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![Dwyer 641-36 Air velocity transmitter | 36" (914 mm) probe length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/641_family_1000x1000_1ff16b48-32cc-4b89-a363-854700bc2311_medium.jpg?v=1688840196)
641-36 | Air velocity transmitter | 36" (914 mm) probe length. | Dwyer
Brand: Dwyer
SKU: 641-36
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![Dwyer AVUL-5DB1 Air velocity transmitter | 5% accuracy | duct mount | BACnet communications | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/avul_family_1000x1000_1_bf54b71c-e099-44e8-bdca-cd046069248e_medium.jpg?v=1688837065)
AVUL-5DB1 | Air velocity transmitter | 5% accuracy | duct mount | BACnet communications | Dwyer
Brand: Dwyer
SKU: AVUL-5DB1
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