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!
![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 HWLP1T1 RH Wall | LCD | RH | 1% NIST | Tmp | Protocol | 1C | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HWLP1T1_05c1842f-5c4d-4fd2-a7f3-e74a9d968019_medium.jpg?v=1689084169)
HWLP1T1 | RH Wall | LCD | RH | 1% NIST | Tmp | Protocol | 1C | Veris
Brand: Veris
SKU: HWLP1T1
View Details
![Mamac HU-227-2-VDC-12 Temp & RH 2% | Temp: 10K Type II | RH: 0-10VDC | Outdoor Outside Air Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-227-2-VDC-12_medium.png?v=1713900925)
HU-227-2-VDC-12 | Temp & RH 2% | Temp: 10K Type II | RH: 0-10VDC | Outdoor Outside Air Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-227-2-VDC-12
View Details
![Mamac HU-227-2-VDC-10 Temp & RH 2% | Temp: 3K | RH: 0-10VDC | Outdoor Outside Air Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-227-2-VDC-10_medium.png?v=1713900803)
HU-227-2-VDC-10 | Temp & RH 2% | Temp: 3K | RH: 0-10VDC | Outdoor Outside Air Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-227-2-VDC-10
View Details
![Mamac HU-226-3-MA-7 Temp & RH 3% | Temp: 10K Type III | RH: 4-20mA | Duct Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-226-3-MA-7_medium.png?v=1713900840)
HU-226-3-MA-7 | Temp & RH 3% | Temp: 10K Type III | RH: 4-20mA | Duct Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-226-3-MA-7
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 HD2XMSTD RH Duct | 2% | 4-20mA | Temp | 10k T2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HD2XMSTD_medium.jpg?v=1689083989)
HD2XMSTD | RH Duct | 2% | 4-20mA | Temp | 10k T2 | Veris
Brand: Veris
SKU: HD2XMSTD
View Details
![Veris H6811-400A-5A CT | Split Core | Instrument Grade | 2.9in x 2.5in ID | 400A to 5A | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/H6811-400A-1V_dccf46cf-9c84-4bab-a5a2-64b736ff200d_medium.jpg?v=1705454040)
H6811-400A-5A | CT | Split Core | Instrument Grade | 2.9in x 2.5in ID | 400A to 5A | Veris
Brand: Veris
SKU: H6811-400A-5A
View Details
![Veris H120NC Enclosed Relay | Current Switch 20A | NC | Fixed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/H120NC_medium.jpg?v=1689243585)
H120NC | Enclosed Relay | Current Switch 20A | NC | Fixed | Veris
Brand: Veris
SKU: H120NC
View Details
![Veris EP2100S2 EP | Anlg In | 3-15/0-20psi | Cover | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/EP2121S_aa255012-6426-452f-972e-f804c8e79dfe_medium.jpg?v=1689083879)
EP2100S2 | EP | Anlg In | 3-15 / 0-20psi | Cover | Veris
Brand: Veris
SKU: EP2100S2
View Details
![Mamac CT-810 Current Switch (Solid Core) | Trip Point: Adjustible | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CT-810_medium.png?v=1713900795)
CT-810 | Current Switch (Solid Core) | Trip Point: Adjustible | Mamac
Brand: Mamac
SKU: CT-810
View Details
![Veris AA10B0F250 Convertor | 100 ohm Plat RTD to 4-20mA | deg.F | 0 to 250 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/AA10B0C100_45ad8da8-a57d-4ea9-82ba-286a1ab7494d_medium.jpg?v=1689083739)
AA10B0F250 | Convertor | 100 ohm Plat RTD to 4-20mA | deg.F | 0 to 250 | Veris
Brand: Veris
SKU: AA10B0F250
View Details
![Telemecanique 9036DW31 Float switch, Pumptrol, open tank, NEMA 4, pedestal mounted, 2 NC DPST DB contacts | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/9036dw31_133a9d4e-b96b-4f7e-b82f-62110362a595_medium.png?v=1718202610)
9036DW31 | Float switch, Pumptrol, open tank, NEMA 4, pedestal mounted, 2 NC DPST DB contacts | Telemecanique
Brand: Telemecanique
SKU: 9036DW31
View Details
![R.W. Beckett 7600TSU Sensor Kit AquaSmart Replacement Temperature 7600TSU | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/417319_b268a9c1-72cd-4788-9a76-7b812ab6c0ba_medium.jpg?v=1718210506)
7600TSU | Sensor Kit AquaSmart Replacement Temperature 7600TSU | R.W. Beckett
Brand: R.W. Beckett
SKU: 7600TSU
View Details
![Neptronic STS3-13F 3.3K Wall Mount Thermostat | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/STS3-13F_e62d8b32-6b9c-4caf-96c1-174a1a47b748_medium.jpg?v=1717516487)
STS3-13F | 3.3K Wall Mount Thermostat | Neptronic
Brand: Neptronic
SKU: STS3-13F
View Details
![Neptronic ARO24T Temperature Sensor IAQ Wall-Mount Controller | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ARO_SARB_22C_angle_c40e5888-fbda-4f76-8ad2-426d91235dba_medium.png?v=1717515947)
ARO24T | Temperature Sensor IAQ Wall-Mount Controller | Neptronic
Brand: Neptronic
SKU: ARO24T
View Details
![Crandall Stats & Sensors HC-201 DUCT HUMIDISTAT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/HC-201-CSS-A-300x300_medium.jpg?v=1708892851)
HC-201 | DUCT HUMIDISTAT | Crandall Stats & Sensors
Brand: Crandall Stats & Sensors
SKU: HC-201
View Details
![ACI PT 7.5" Pressure Sensor Transducer Pitot Tubes | 7.5 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-pt-7-5_medium.png?v=1718739513)
PT 7.5" | Pressure Sensor Transducer Pitot Tubes | 7.5 inch | ACI
Brand: ACI
SKU: PT 7.5"
View Details
![ACI PT 3" Pressure Sensor Transducer Pitot Tubes | 3 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-pt-3_medium.jpg?v=1718739501)
PT 3" | Pressure Sensor Transducer Pitot Tubes | 3 inch | ACI
Brand: ACI
SKU: PT 3"
View Details
![ACI PT 5.2" Pressure Sensor Transducer Pitot Tubes | 5.2 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-pt-5-2_medium.jpg?v=1718739510)
PT 5.2" | Pressure Sensor Transducer Pitot Tubes | 5.2 inch | ACI
Brand: ACI
SKU: PT 5.2"
View Details
![ACI A/RH2-R 2% Accuracy RH Humidity Sensor | Room Zone Wall Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r-rj6_3f42c6fa-2be0-4268-9a19-8d726029a142_medium.png?v=1718739051)
A / RH2-R | 2% Accuracy RH Humidity Sensor | Room Zone Wall Humidity Sensor | ACI
Brand: ACI
SKU: A/RH2-R
Committed to customer satisfaction
as experts in Sensors
Recently Viewed
Popular Products
View all →![Belimo SGVL+SVKB24-SR SGVL w/ Electronic FS | 337 lbf | 24V | 2-10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SGVL_SVK_LVK_656fcc36-202c-489f-a36b-51492c74671a_large.png?v=1714684207)
SGVL+SVKB24-SR | SGVL w/ Electronic FS | 337 lbf | 24V | 2-10V | Belimo
Brand: Belimo
SKU: SGVL+SVKB24-SR![Neptronic BM000 B series low voltage Actuators | 50 in.lb | 24V | ON/OFF | Floating | Modulating | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/actuators-banner_a22729f7-ea6e-4da6-8d1e-616037cb58b4_large.jpg?v=1717515951)
BM000 | B series low voltage Actuators | 50 in.lb | 24V | ON/OFF | Floating | Modulating | Neptronic
Brand: Neptronic
SKU: BM000![Veris PW2XX05S Pressure | Wet | NEMA 4 | 0-250PSID | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PW2XX05S_060889c2-c12e-4c2c-bb4b-290a3442ff1f_large.jpg?v=1706643807)
PW2XX05S | Pressure | Wet | NEMA 4 | 0-250PSID | Veris
Brand: Veris
SKU: PW2XX05S