Sensors 24 - 14 awg (0.22 - 2.5 mm²) Electrical wiring size
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!
![Image for Pressure Sensors](http://blackhawksupply.com/cdn/shop/collections/DLP_1_100x.png?v=1525965948)
![Image for Duct Temperature Sensors](http://blackhawksupply.com/cdn/shop/collections/GD-Duct_0_32724b59-446e-4602-9845-900ce84cfe70_600x600_1_100x.png?v=1525902491)
![Image for Current Sensors](http://blackhawksupply.com/cdn/shop/collections/CT-300_med_600x600_1_100x.png?v=1525965815)
![Image for Gas Sensors](http://blackhawksupply.com/cdn/shop/collections/Q5_9fe508f4-06ee-4376-a0d8-01f3ceed962f_600x600_1_100x.png?v=1656495283)
![Image for Outside Temperature Sensors](http://blackhawksupply.com/cdn/shop/collections/Outdoor-Air_4_6698b7d4-c74d-4d79-afe1-f2a778fd88f7_600x600_1_100x.png?v=1525902585)
![Image for Outside Humidity Sensors](http://blackhawksupply.com/cdn/shop/collections/Outdoor-AIr_14_73e889d9-72c0-49a8-b7aa-3244a6177a9a_600x600_1_100x.png?v=1525965672)
![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)
![Image for Room Temperature Sensors](http://blackhawksupply.com/cdn/shop/collections/Infinity_20Override_0_ef3262ed-6393-48a3-bd91-8aa200bed9fc_600x600_1_100x.png?v=1655986720)
![Image for Freezer Sensors](http://blackhawksupply.com/cdn/shop/collections/Freezer_6_1200x1200_2b2bcc68-4da6-4bdd-a0ec-3bcc379060c1_100x.png?v=1612451690)
![Image for Strap Sensors](http://blackhawksupply.com/cdn/shop/collections/GD-Strap_9_400x400_57c7c3ea-2a95-4273-b5f6-e4645a3b86e7_100x.png?v=1612451756)
![Image for Light/LUX Sensors](http://blackhawksupply.com/cdn/shop/collections/Light_20Level_0_1af9652e-abdf-4a24-b6e3-4f3023e7e2bf_600x600_1_100x.png?v=1525966099)
![Image for Bullet Sensors](http://blackhawksupply.com/cdn/shop/collections/Bullet-Probe_30_1200x1200_86df93e4-8206-4132-8f13-7c6b3a84d750_100x.png?v=1612451633)
![Image for Level Transmitters for Sale](http://blackhawksupply.com/cdn/shop/collections/SBLT2_1000x1000_400x400_a5387011-1079-43bf-b2f3-3a5019293bf3_100x.gif?v=1633682812)
![Image for Heating Sensors](http://blackhawksupply.com/cdn/shop/files/584547_c3a0c04d-c8d7-4f89-8aee-6a4a15facc9c_100x.jpg?v=1717076667)
![Image for Air Quality](http://blackhawksupply.com/cdn/shop/products/AQ2D_41c1db17-cc87-40e5-b1e1-debc524a3590_100x.png?v=1708973964)
![Image for Facility Monitoring](http://blackhawksupply.com/cdn/shop/products/wingrxtbanner_100x.jpg?v=1710256868)
![Image for Plumbing Sensors](http://blackhawksupply.com/cdn/shop/files/974891_9cf81fe0-49ad-44b1-bf09-c68f8ad31017_100x.jpg?v=1717079750)
![Image for Water Leak Detection](http://blackhawksupply.com/cdn/shop/collections/WD_PIC_1200x1200_ff2b53d6-6d0b-4a7c-9a53-05c5ea36409c_100x.jpg?v=1633683366)
![Image for Accessories](http://blackhawksupply.com/cdn/shop/collections/PIC_GL_A-22AP-A01...04_4C-product_retina_400x400_14114f37-ee0a-436c-99cd-84781d10eec7_100x.jpg?v=1611673512)
View Details
![Veris CDE CO2 | Duct | Economy | No LCD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/CDE_971c54aa-45bb-496d-b300-01580fea3224_medium.jpg?v=1706643259)
CDE | CO2 | Duct | Economy | No LCD | Veris
Brand: Veris
SKU: CDE
View Details
![Veris CDLSXX CO2 | Duct | LCD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CDLSXX_medium.jpg?v=1715960150)
CDLSXX | CO2 | Duct | LCD | Veris (OBSOLETE)
Brand: Veris
SKU: CDLSXX
View Details
![Veris HEW3VSTH RH/T | Economy | Wall | 3% | 0-10 | 10k T3 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_8e28368c-cd3e-451b-853b-facf470851f0_medium.jpg?v=1689084070)
HEW3VSTH | RH / T | Economy | Wall | 3% | 0-10 | 10k T3 | Veris
Brand: Veris
SKU: HEW3VSTH
View Details
![Veris HEW3VSTC RH/T | Economy | Wall | 3% | 0-10 | 1k Pt | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_4c3d7ffc-5744-4eb3-9aba-ebbefd17ddec_medium.jpg?v=1689084047)
HEW3VSTC | RH / T | Economy | Wall | 3% | 0-10 | 1k Pt | Veris
Brand: Veris
SKU: HEW3VSTC
View Details
![Veris CRLSXX CO2 | Remote | LCD | CE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/CRLSXX_medium.jpg?v=1689083825)
CRLSXX | CO2 | Remote | LCD | CE | Veris
Brand: Veris
SKU: CRLSXX
View Details
![Veris HEW3VSTG RH Econ | Wall | 3% | 0-10V | Temp | 10k CPC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_1b9fabc3-d8e8-44e7-9e02-b558fd2b9f3d_medium.jpg?v=1689084049)
HEW3VSTG | RH Econ | Wall | 3% | 0-10V | Temp | 10k CPC | Veris
Brand: Veris
SKU: HEW3VSTG
View Details
![Veris HEW2VSTC RH Econ | Wall | 2% | 0-10V | Temp | 1k | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_433a5253-4344-4fdb-b4bc-4f7e32476548_medium.jpg?v=1689084039)
HEW2VSTC | RH Econ | Wall | 2% | 0-10V | Temp | 1k | Veris
Brand: Veris
SKU: HEW2VSTC
View Details
![Veris HEW3MSTH RH/T | Economy | Wall | 3% | 4-20 | 10k T3 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_35d8a4af-ef9d-4a78-8d75-ab0a3198272c_medium.jpg?v=1689084102)
HEW3MSTH | RH / T | Economy | Wall | 3% | 4-20 | 10k T3 | Veris
Brand: Veris
SKU: HEW3MSTH
View Details
![Veris HEW3MSX RH | Economy | Wall | 3% | 4-20 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_7d3809a6-f154-4b8b-8ff5-ac0beb1b2b30_medium.jpg?v=1689084061)
HEW3MSX | RH | Economy | Wall | 3% | 4-20 | Veris
Brand: Veris
SKU: HEW3MSX
View Details
![Veris HEW2VSX RH Econ | Wall | 2% | 0-10 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_c08d8996-7021-4395-91c8-efe1afea89e0_medium.jpg?v=1689084043)
HEW2VSX | RH Econ | Wall | 2% | 0-10 | Veris
Brand: Veris
SKU: HEW2VSX
View Details
![Veris HEW2MSTA RH Econ | Wall | 2% | 4-20mA | T-Xmtr | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_836b00f7-9504-4c1c-a67a-4afe2c78bb02_medium.jpg?v=1689084059)
HEW2MSTA | RH Econ | Wall | 2% | 4-20mA | T-Xmtr | Veris
Brand: Veris
SKU: HEW2MSTA
View Details
![Veris CDLSHTC CO2 | Duct | LCD | RH | Temp | 1k RTD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/CDLSHTC_medium.jpg?v=1689083822)
CDLSHTC | CO2 | Duct | LCD | RH | Temp | 1k RTD | Veris
Brand: Veris
SKU: CDLSHTC
View Details
![Veris HEW3VSX RH | Economy | Wall | 3% | 0-10 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_daa463e6-7638-48cc-8ba0-a51f5438fbbe_medium.jpg?v=1689084070)
HEW3VSX | RH | Economy | Wall | 3% | 0-10 | Veris
Brand: Veris
SKU: HEW3VSX
View Details
![Veris HEW2VSTR RH Econ | Wall | 2% | 0-10V | Temp | 10k US | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_3cb19f7f-bdec-4d0c-a796-eb16aae493cc_medium.jpg?v=1689084039)
HEW2VSTR | RH Econ | Wall | 2% | 0-10V | Temp | 10k US | Veris
Brand: Veris
SKU: HEW2VSTR
View Details
![Veris HED2VSX RH Econ | Duct | 2% | 0-10 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HED2MSTA1_414dea2b-90e6-44a5-a40e-d8b00cd7d0c0_medium.jpg?v=1689084034)
HED2VSX | RH Econ | Duct | 2% | 0-10 | Veris
Brand: Veris
SKU: HED2VSX
View Details
![Veris HED2MSX RH Econ | Duct | 2% | 4-20 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HED2MSTA1_5ad90f93-2e87-4e3f-a019-3f106cc79376_medium.jpg?v=1689084047)
HED2MSX | RH Econ | Duct | 2% | 4-20 | Veris
Brand: Veris
SKU: HED2MSX
View Details
![Veris CDLSHTH CO2 | Duct | LCD | RH | Temp | 10k T3 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/CDLSHTH_medium.jpg?v=1689083860)
CDLSHTH | CO2 | Duct | LCD | RH | Temp | 10k T3 | Veris
Brand: Veris
SKU: CDLSHTH
View Details
![Veris HEW5VSTA RH/T | Economy | Wall | 5% | 0-10 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_24f9a6fc-b567-417d-98ad-1a7fa9f1eefa_medium.jpg?v=1689084066)
HEW5VSTA | RH / T | Economy | Wall | 5% | 0-10 | Veris
Brand: Veris
SKU: HEW5VSTA
View Details
![Veris HEW5MSTC RH/T | Economy | Wall | 5% | 4-20 | 1k Pt | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_a8d577de-cef1-4586-b7fb-1f8101ff1a2f_medium.jpg?v=1689084065)
HEW5MSTC | RH / T | Economy | Wall | 5% | 4-20 | 1k Pt | Veris
Brand: Veris
SKU: HEW5MSTC
View Details
![Veris HEW5MSTA RH | Economy | Wall | 5% | 4-20mA | T-Xmtr | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_6cb737d2-c31d-4f70-9ee5-02c36c051cf7_medium.jpg?v=1689084057)
HEW5MSTA | RH | Economy | Wall | 5% | 4-20mA | T-Xmtr | Veris
Brand: Veris
SKU: HEW5MSTA
View Details
![Veris HEW3MSTD1 RH | Econ | Wall | 3% | 4-20mA | Temp | 10k T2 | 1C | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_4c17e811-319c-437a-b5a1-83aed88890c3_medium.jpg?v=1689084046)
HEW3MSTD1 | RH | Econ | Wall | 3% | 4-20mA | Temp | 10k T2 | 1C | Veris
Brand: Veris
SKU: HEW3MSTD1
View Details
![Veris HEW2VSTH RH Econ | Wall | 2% | 0-10V | Temp | 10k T3 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_c1f1b234-087f-4e3b-ab57-001b6b06d9b9_medium.jpg?v=1689084100)
HEW2VSTH | RH Econ | Wall | 2% | 0-10V | Temp | 10k T3 | Veris
Brand: Veris
SKU: HEW2VSTH
View Details
![Veris HEW2VSTD RH Econ | Wall | 2% | 0-10V | Temp | 10k T2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_2272dbc5-60ba-448d-8eba-5ec0ab862a54_medium.jpg?v=1689084104)
HEW2VSTD | RH Econ | Wall | 2% | 0-10V | Temp | 10k T2 | Veris
Brand: Veris
SKU: HEW2VSTD
View Details
![Veris HEW2MSX RH Econ | Wall | 2% | 4-20 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HEW2MSTA_bbc2755f-a835-4274-874d-08e5bc0e7e4f_medium.jpg?v=1689084073)
HEW2MSX | RH Econ | Wall | 2% | 4-20 | Veris
Brand: Veris
SKU: HEW2MSX
Committed to customer satisfaction
as experts in Sensors
Recently Viewed
Popular Products
View all →![Siemens QFM3160 Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 0-10 Vdc, T: 0-10 Vdc | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/QFM3160_large.jpg?v=1692723024)
QFM3160 | Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 0-10 Vdc, T: 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFM3160![Saginaw SCE-36H3612LP NEMA 3R, 12, 4 | Nema 4 LP Enclosure, 36H x 36W x 12D | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/sce-36h3612lp_large.png?v=1692624116)
SCE-36H3612LP | NEMA 3R, 12, 4 | Nema 4 LP Enclosure, 36H x 36W x 12D | Saginaw
Brand: Saginaw
SKU: SCE-36H3612LP![Siemens 147-2000 Positioning Relay, Pneumatic, Adj Start Point and Span, Rapid Response | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/147-2000_large.jpg?v=1692718555)
147-2000 | Positioning Relay, Pneumatic, Adj Start Point and Span, Rapid Response | Siemens
Brand: Siemens
SKU: 147-2000![Veris E51C2 Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/E50B1_70e18f65-76e2-427f-9c7b-27c5972f675a_large.jpg?v=1692624158)
E51C2 | Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Veris
Brand: Veris
SKU: E51C2![Graco D11021 Husky 205 AC Pump, PP Center Section, AC Balls & PTFE Diaphragm | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/D11021-Graco-Husky-205-Plastic-Air-Operated-Double-Diaphragm-Pump-486320_4b7f4380-0c81-46cf-8733-e0bb3b70723d_large.jpg?v=1705596867)
D11021 | Husky 205 AC Pump, PP Center Section, AC Balls & PTFE Diaphragm | Graco
Brand: Graco
SKU: D11021![Schneider Electric MA-418-500 Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MA-4_cbeba398-a3d0-4c4f-abe5-f01c00c8509e_large.jpg?v=1717434807)
MA-418-500 | Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418-500![Schneider Electric MA-418 Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MA-4_75a7c8e4-57d8-49e5-bf53-2eee7144aafc_large.jpg?v=1717434806)
MA-418 | Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418