Sensors Thermistor Sensing element
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
![ACI A/AN-BBS 10K ohm Type III | Brass Button Temperature Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-bbs_3180a46d-a85d-4e94-9a33-962ad5d5d2fa_medium.png?v=1718738603)
A / AN-BBS | 10K ohm Type III | Brass Button Temperature Sensor | ACI
Brand: ACI
SKU: A/AN-BBS
View Details
![ACI A/3K-PBS 3K ohm | Plastic Button Temperature Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-pbs_43bc0e8f-092e-43da-99ca-1c688810147f_medium.png?v=1718738573)
A / 3K-PBS | 3K ohm | Plastic Button Temperature Sensor | ACI
Brand: ACI
SKU: A/3K-PBS
View Details
![ACI A/3K-DO-6" 3K ohm | Duct Temperature Sensor | Sensor Length: 6 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-12_c8891346-980f-4b30-877c-c34a112f7d82_medium.png?v=1718738538)
A / 3K-DO-6" | 3K ohm | Duct Temperature Sensor | Sensor Length: 6 inch | ACI
Brand: ACI
SKU: A/3K-DO-6"
View Details
![ACI A/3K-DO-4"-6'CL2P 3K ohm | Duct Temperature Sensor | Sensor Length: 4 inch | Included Wire Length: 6 feet | CL2P | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-4-10-cl2p_e87f4725-8926-4b56-8a48-cef7357ecf96_medium.png?v=1718738530)
A / 3K-DO-4"-6'CL2P | 3K ohm | Duct Temperature Sensor | Sensor Length: 4 inch | Included Wire Length: 6 feet | CL2P | ACI
Brand: ACI
SKU: A/3K-DO-4"-6'CL2P
View Details
![ACI A/3K-DO-4" 3K ohm | Duct Temperature Sensor | Sensor Length: 4 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-12_6c63e7da-760b-40e3-9c1e-d7cab3691e2d_medium.png?v=1718738520)
A / 3K-DO-4" | 3K ohm | Duct Temperature Sensor | Sensor Length: 4 inch | ACI
Brand: ACI
SKU: A/3K-DO-4"
View Details
![ACI A/2252-BP-20'CL2P 2.252K ohm | Bullet Probe Temperature Sensor | Included Wire Length: 20 feet | CL2P | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-bp-10-cl2p_9877e112-90a6-45a2-a2ca-454156df7f1c_medium.png?v=1718738506)
A / 2252-BP-20'CL2P | 2.252K ohm | Bullet Probe Temperature Sensor | Included Wire Length: 20 feet | CL2P | ACI
Brand: ACI
SKU: A/2252-BP-20'CL2P
View Details
![ACI A/20K-DO-8" 20K ohm | Duct Temperature Sensor | Sensor Length: 8 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-12_3829c8e6-aab0-46b8-af21-310517951991_medium.png?v=1718738420)
A / 20K-DO-8" | 20K ohm | Duct Temperature Sensor | Sensor Length: 8 inch | ACI
Brand: ACI
SKU: A/20K-DO-8"
View Details
![ACI A/20K-DO-4"-6'CL2P 20K ohm | Duct Temperature Sensor | Sensor Length: 4 inch | Included Wire Length: 6 feet | CL2P | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-4-10-cl2p_6171d312-69b8-4f58-8643-e14fcafb2825_medium.png?v=1718738512)
A / 20K-DO-4"-6'CL2P | 20K ohm | Duct Temperature Sensor | Sensor Length: 4 inch | Included Wire Length: 6 feet | CL2P | ACI
Brand: ACI
SKU: A/20K-DO-4"-6'CL2P
View Details
![ACI A/20K-DO-4"-10'CL2P 20K ohm | Duct Temperature Sensor | Sensor Length: 4 inch | Included Wire Length: 10 feet | CL2P | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-4-10-cl2p_8cbc6552-e9c5-4adf-bfa2-314449f83607_medium.png?v=1718738463)
A / 20K-DO-4"-10'CL2P | 20K ohm | Duct Temperature Sensor | Sensor Length: 4 inch | Included Wire Length: 10 feet | CL2P | ACI
Brand: ACI
SKU: A/20K-DO-4"-10'CL2P
View Details
![ACI A/20K-DO-4" 20K ohm | Duct Temperature Sensor | Sensor Length: 4 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-12_37594127-c697-42a4-9fb1-465d38902ee4_medium.png?v=1718738468)
A / 20K-DO-4" | 20K ohm | Duct Temperature Sensor | Sensor Length: 4 inch | ACI
Brand: ACI
SKU: A/20K-DO-4"
Committed to customer satisfaction
as experts in Sensors
Recently Viewed