Control Sensors for Sale
We have 9,000+ sensor models in our stock for your next building automation project. Duct, pipe, indoor and outdoor sensors: Blackhawk Supply has it all! Shop today!
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![Image for Duct Humidity Sensors](http://blackhawksupply.com/cdn/shop/collections/RH_20TT_20Duct_NEMA_204X_0_5bf3c77c-eba9-4c1b-9243-8a07e6d427b1_600x600_1_100x.png?v=1525965556)
![Image for Room Humidity Sensors](http://blackhawksupply.com/cdn/shop/collections/RH_20Resistive_20Room2_20Setpoint_20Override_1_8d939914-25aa-40e1-ae24-7d3557ddb1ff_600x600_1_100x.png?v=1525965135)
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![Image for Strap Sensors](http://blackhawksupply.com/cdn/shop/collections/GD-Strap_9_400x400_57c7c3ea-2a95-4273-b5f6-e4645a3b86e7_100x.png?v=1612451756)
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![Veris FCL-4000/0.333VAC-R CT | Split Core | 2.75x6.63in | 4000:0.33V | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_b5a13f6d-513e-4d2b-8503-4e42ec686f52_medium.png?v=1708998911)
FCL-4000 / 0.333VAC-R | CT | Split Core | 2.75x6.63in | 4000:0.33V | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-4000/0.333VAC-R
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![Veris FCL-4000/0.333VAC-8 CT | Split Core | 8in Round | 4000:0.33VAC | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-ROUND_3469178e-881a-476f-b2ba-84631728fc9a_medium.png?v=1708998911)
FCL-4000 / 0.333VAC-8 | CT | Split Core | 8in Round | 4000:0.33VAC | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-4000/0.333VAC-8
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![Veris FCL-3500/5-R411 CT | Split Core | 4 inX11 inOD | 3500:5A | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_2a5b5f8d-6ef3-4004-afdb-fb1cf3ea516c_medium.png?v=1708998937)
FCL-3500 / 5-R411 | CT | Split Core | 4 inX11 inOD | 3500:5A | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-3500/5-R411
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![Veris FCL-3500/5-R CT | Split Core | 2.75x6.625inOD | 3500:5A | UL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_c5a6fb5f-733c-413f-a088-f8fd50ec541c_medium.png?v=1708998911)
FCL-3500 / 5-R | CT | Split Core | 2.75x6.625inOD | 3500:5A | UL | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-3500/5-R
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![Veris FCL-3500/5-11 CT | Split Core | 11 in Round | 3500:5AAC UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-ROUND_614495d8-9608-4065-8427-df1e34957cac_medium.png?v=1708998918)
FCL-3500 / 5-11 | CT | Split Core | 11 in Round | 3500:5AAC UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-3500/5-11
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![Veris FCL-3000/5-R411 CT | Split Core | 4 inX11 inOD | 3000:5A | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_036baa5e-cc9f-4f43-81e1-b018a622fd5c_medium.png?v=1708998938)
FCL-3000 / 5-R411 | CT | Split Core | 4 inX11 inOD | 3000:5A | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-3000/5-R411
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![Veris FCL-3000/5-8 CT | Split Core | 8 in Round | 3000:5A | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-ROUND_0e3f4641-ab3b-465d-a40d-a14974fb40f9_medium.png?v=1708998950)
FCL-3000 / 5-8 | CT | Split Core | 8 in Round | 3000:5A | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-3000/5-8
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![Veris FCL-3000/5-6 CT | Split Core | 6 in Round | 3000:5A | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-ROUND_09196944-1367-4d60-af7c-ca911d6f5ecc_medium.png?v=1708998944)
FCL-3000 / 5-6 | CT | Split Core | 6 in Round | 3000:5A | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-3000/5-6
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![Veris FCL-3000/5-11 CT | Split Core | 11 in Round | 3000:5A | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-ROUND_2bac4f9d-2de7-476a-9e8f-f8501d06f007_medium.png?v=1708998942)
FCL-3000 / 5-11 | CT | Split Core | 11 in Round | 3000:5A | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-3000/5-11
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![Veris FCL-3000/0.333VAC-R411 CT | SplitCore | 4x11in | 3000:0.333VAC | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_62f95c6b-76ea-4fc5-874b-bf38d887481c_medium.png?v=1708998963)
FCL-3000 / 0.333VAC-R411 | CT | SplitCore | 4x11in | 3000:0.333VAC | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-3000/0.333VAC-R411
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![Veris FCL-3000/0.333VAC-R CT | SplitCore2.75x6.63in | 3000:.333VAC | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_e270a919-a170-4c98-bbba-643af826b0f7_medium.png?v=1708998917)
FCL-3000 / 0.333VAC-R | CT | SplitCore2.75x6.63in | 3000:.333VAC | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-3000/0.333VAC-R
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![Veris FCL-2500/5-R CT | Split Core | 2.75 inX6.63 OD | 2500:5A | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_4341edb9-3997-4e6e-a7cd-030d5c59123d_medium.png?v=1708998918)
FCL-2500 / 5-R | CT | Split Core | 2.75 inX6.63 OD | 2500:5A | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-2500/5-R
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![Veris FCL-2500/5-6 CT | Split Core | 6 in Round | 2500:5A | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-ROUND_695644b7-d2ef-4f72-8e2e-055462bed767_medium.png?v=1708998911)
FCL-2500 / 5-6 | CT | Split Core | 6 in Round | 2500:5A | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-2500/5-6
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![Veris FCL-2500/0.333VAC-R CT | SplitCore2.75x6.63in | 2500:.333VAC | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_6a3291b1-8f03-4b57-90ed-cd648e7c3b8e_medium.png?v=1708998910)
FCL-2500 / 0.333VAC-R | CT | SplitCore2.75x6.63in | 2500:.333VAC | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-2500/0.333VAC-R
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![Veris FCL-2400/5-R CT | Split Core | 2.75 inX6.63 OD | 2400:5A | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_d09a8c30-c4cf-46eb-a541-4a9244307bef_medium.png?v=1708998924)
FCL-2400 / 5-R | CT | Split Core | 2.75 inX6.63 OD | 2400:5A | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-2400/5-R
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![Veris FCL-2000/5-R411 CT | Split Core | 4 inX11 inOD | 2000:5A | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_0c4880dd-9f85-423b-986e-15555ce5903b_medium.png?v=1708998932)
FCL-2000 / 5-R411 | CT | Split Core | 4 inX11 inOD | 2000:5A | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-2000/5-R411
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![Veris FCL-2000/5-R CT | Split Core | 2.75 inX6.63 OD | 4000:5A | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_ad524926-0374-433c-a18b-f3a541380b7e_medium.png?v=1708998944)
FCL-2000 / 5-R | CT | Split Core | 2.75 inX6.63 OD | 4000:5A | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-2000/5-R
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![Veris FCL-2000/5-8 CT | Split Core | 8 in Round | 2000:5A UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-ROUND_15b3a099-2cd8-4569-b27a-95c48300a9be_medium.png?v=1708998943)
FCL-2000 / 5-8 | CT | Split Core | 8 in Round | 2000:5A UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-2000/5-8
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![Veris FCL-2000/5-6 CT | Split Core | 6 in Round | 2000:5A UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-ROUND_f3005d0b-1aec-4c27-83ad-0d3d5fec1365_medium.png?v=1708998911)
FCL-2000 / 5-6 | CT | Split Core | 6 in Round | 2000:5A UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-2000/5-6
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![Veris FCL-2000/5-4 CT | Split Core | 4 in Round | 2000:5A UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-ROUND_e2735323-5781-4427-8d61-c63b8948aee8_medium.png?v=1708998943)
FCL-2000 / 5-4 | CT | Split Core | 4 in Round | 2000:5A UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-2000/5-4
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![Veris FCL-1600/0.333VAC-R411 CT | SplitCore | 4x11in | 1600:0.333VAC | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_0068e0ce-bb5a-46ca-8c1b-e7da5c2dc11f_medium.png?v=1708998969)
FCL-1600 / 0.333VAC-R411 | CT | SplitCore | 4x11in | 1600:0.333VAC | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-1600/0.333VAC-R411
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![Veris FCL-1500/5-4 CT | Split Core | 4 in Round | 1500:5AAC UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-ROUND_b914a9ca-8568-4056-bff1-ede1880dc6ff_medium.png?v=1708998918)
FCL-1500 / 5-4 | CT | Split Core | 4 in Round | 1500:5AAC UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-1500/5-4
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![Veris FCL-1200/0.333VAC-R CT | SplitCore | 2.75x6.63in | 1200:.333VAC | UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-ROUND_8ef211fc-456f-498b-b02f-c13848eedd8f_medium.png?v=1708998924)
FCL-1200 / 0.333VAC-R | CT | SplitCore | 2.75x6.63in | 1200:.333VAC | UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-1200/0.333VAC-R
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![Veris FCL-1000/5-6 CT | Split Core | 6 in Round | 1000:5AAC UR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/FCL-RECT_55361a72-2f93-4cb3-b2df-58cc3176d7bd_medium.png?v=1708998944)
FCL-1000 / 5-6 | CT | Split Core | 6 in Round | 1000:5AAC UR | Veris (OBSOLETE)
Brand: Veris
SKU: FCL-1000/5-6
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