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We offer over 8000+ total Dwyer products, including accessories, air velocity transmitters, bin vibrators, CO2/Temp (Duct) sensors, and more. Shop now!
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![Dwyer A3000-250PA Pressure switch/gage | range 0-250 Pa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_9fff3461-f7a9-4ca4-8790-3d8dfd212443_medium.jpg?v=1719998221)
A3000-250PA | Pressure switch / gage | range 0-250 Pa. | Dwyer
Brand: Dwyer
SKU: A3000-250PA
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![Dwyer A3000-20CM Pressure switch/gage | range 0-20 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_19666b71-0931-4b8d-b6b1-82171ecf7663_medium.jpg?v=1719998220)
A3000-20CM | Pressure switch / gage | range 0-20 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-20CM
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![Dwyer A3000-200CM Pressure switch/gage | range 0-200 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_7ba954fb-e8de-4270-a943-4926b3ce51de_medium.jpg?v=1719998235)
A3000-200CM | Pressure switch / gage | range 0-200 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-200CM
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![Dwyer A3000-250CM Pressure switch/gage | range 0-250 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_9b49d05b-35da-49b9-a14f-0ba0bac00b14_medium.jpg?v=1719998225)
A3000-250CM | Pressure switch / gage | range 0-250 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-250CM
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![Dwyer A3000-1KPA Pressure switch/gage | range 0-1 kPa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_60b7ae72-68ac-4c9d-9a02-069dde7c1d84_medium.jpg?v=1719998265)
A3000-1KPA | Pressure switch / gage | range 0-1 kPa. | Dwyer
Brand: Dwyer
SKU: A3000-1KPA
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![Dwyer A3000-15KPA Pressure switch/gage | range 0-15 kPa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_a82ab71a-9a68-42c2-b51b-b42057a5a30b_medium.jpg?v=1719998210)
A3000-15KPA | Pressure switch / gage | range 0-15 kPa. | Dwyer
Brand: Dwyer
SKU: A3000-15KPA
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![Dwyer A3000-15CM Pressure switch/gage | range 0-15 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_34510966-2d99-4674-8b32-7047e66ac3e1_medium.jpg?v=1719998345)
A3000-15CM | Pressure switch / gage | range 0-15 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-15CM
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![Dwyer A3000-125PA Pressure switch/gage | range 0-125 Pa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_85492196-3925-4b01-8dd0-ae12bd3995d6_medium.jpg?v=1719998265)
A3000-125PA | Pressure switch / gage | range 0-125 Pa. | Dwyer
Brand: Dwyer
SKU: A3000-125PA
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![Dwyer A3000-10MM Pressure switch/gage | range 0-10 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_ce598c1a-e773-47a5-ac79-66ae92167f0f_medium.jpg?v=1719998304)
A3000-10MM | Pressure switch / gage | range 0-10 mm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-10MM
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![Dwyer A3000-150CM Pressure switch/gage | range 0-150 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_f7cea9ed-9a5c-4e91-9f89-87b1792d54a0_medium.jpg?v=1719998220)
A3000-150CM | Pressure switch / gage | range 0-150 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-150CM
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![Dwyer A3000-10KPA Pressure switch/gage | range 0-10 kPa. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_7f68dc58-e8df-47da-83a9-dde3e6b015e5_medium.jpg?v=1719998321)
A3000-10KPA | Pressure switch / gage | range 0-10 kPa. | Dwyer
Brand: Dwyer
SKU: A3000-10KPA
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![Dwyer A3000-100MM Pressure switch/gage | range 0-100 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_122f8826-8e1e-458a-b9b9-56528a48304e_medium.jpg?v=1719998211)
A3000-100MM | Pressure switch / gage | range 0-100 mm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-100MM
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![Dwyer A3000-100CM Pressure switch/gage | range 0-100 cm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_85b30c4c-e79c-44e0-bf93-ac33ca0ffa1a_medium.jpg?v=1719998216)
A3000-100CM | Pressure switch / gage | range 0-100 cm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-100CM
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![Dwyer A3000-00N Pressure switch/gage | range .05 to .20" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_0e82206d-cf61-473e-bca2-8699ff7fdd85_medium.jpg?v=1719998210)
A3000-00N | Pressure switch / gage | range .05 to .20" w.c. | Dwyer
Brand: Dwyer
SKU: A3000-00N
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![Dwyer A3000-00 Pressure switch/gage | range 0-.25" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_2868cea9-8cc0-4fd2-9795-bff813d9feb6_medium.jpg?v=1719998220)
A3000-00 | Pressure switch / gage | range 0-.25" w.c. | Dwyer
Brand: Dwyer
SKU: A3000-00
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![Dwyer 3100MRS Pressure switch/gage | range 0-100" w.c. | 2.0 minor divisions. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/3000mr_family_large_afba6dbd-0e18-4a90-a07d-951de581507f_medium.gif?v=1719997708)
3100MRS | Pressure switch / gage | range 0-100" w.c. | 2.0 minor divisions. | Dwyer
Brand: Dwyer
SKU: 3100MRS
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![Dwyer A3000-0 Pressure switch/gage | range 0-.50" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_c7d9c448-7823-4f61-96b1-56c1c35c7edb_medium.jpg?v=1719998375)
A3000-0 | Pressure switch / gage | range 0-.50" w.c. | Dwyer
Brand: Dwyer
SKU: A3000-0
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![Dwyer 3100MR Pressure switch/gage | range 0-100" w.c. | 2.0 minor divisions. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/3000mr_family_large_f7c9071d-c55a-427c-8892-0480a083d065_medium.gif?v=1719997742)
3100MR | Pressure switch / gage | range 0-100" w.c. | 2.0 minor divisions. | Dwyer
Brand: Dwyer
SKU: 3100MR
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![Dwyer 3050MRS Pressure switch/gage | range 0-50" w.c. | 1.0 minor divisions. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/3000mr_family_large_77262dc4-ca88-49d7-b1a3-ab23187b91f1_medium.gif?v=1719997677)
3050MRS | Pressure switch / gage | range 0-50" w.c. | 1.0 minor divisions. | Dwyer
Brand: Dwyer
SKU: 3050MRS
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![Dwyer 3050MR Pressure switch/gage | range 0-50" w.c. | 1.0 minor divisions. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/3000mr_family_large_3f8ed944-8839-4e56-8bab-e846b3e3a2ba_medium.gif?v=1719997724)
3050MR | Pressure switch / gage | range 0-50" w.c. | 1.0 minor divisions. | Dwyer
Brand: Dwyer
SKU: 3050MR
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![Dwyer 3030MRS Pressure switch/gage | range 0-30" w.c. | 1.0 minor divisions. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/3000mr_family_large_991b17f8-a816-4739-aec0-d8932486f2dc_medium.gif?v=1719997824)
3030MRS | Pressure switch / gage | range 0-30" w.c. | 1.0 minor divisions. | Dwyer
Brand: Dwyer
SKU: 3030MRS
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![Dwyer 3020MRS Pressure switch/gage | range 0-20" w.c. | .50 minor divisions. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/3000mr_family_large_299792a0-f382-473c-8e89-80ee9b258bf1_medium.gif?v=1719997763)
3020MRS | Pressure switch / gage | range 0-20" w.c. | .50 minor divisions. | Dwyer
Brand: Dwyer
SKU: 3020MRS
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