Sensors Aci
Over 1,400 ACI sensors to suit any need. Choose from our range of solid core, split core, and wireless options, with accessories available for CO and NO2, CO2 Carbon Dioxide, Current Sensor, Current Switch, Enthalpy, Humidity 1%, Humidity 2%, Humidity 3%, Humidity 5%, Light Pressure Temp and Humidity 3%, Temperature and Averaging Wire Lengths in 8 feet - 100 feet. Configure your sensor length (12”-36”) to fit your application. Shop ACI Sensors 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)
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![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)
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![Image for Heating Sensors](http://blackhawksupply.com/cdn/shop/files/584547_c3a0c04d-c8d7-4f89-8aee-6a4a15facc9c_100x.jpg?v=1717076667)
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![Image for Water Leak Detection](http://blackhawksupply.com/cdn/shop/collections/WD_PIC_1200x1200_ff2b53d6-6d0b-4a7c-9a53-05c5ea36409c_100x.jpg?v=1633683366)
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![ACI A/CP-FRZ2"-30' 10K ohm Type II | Freezer Glycol Extreme Cold Temperature Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-frz2-30_987d8f12-2374-4480-9e9a-90e32f681e17_medium.png?v=1718738793)
A / CP-FRZ2"-30' | 10K ohm Type II | Freezer Glycol Extreme Cold Temperature Sensor | ACI
Brand: ACI
SKU: A/CP-FRZ2"-30'
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![ACI A/CP-DO-4" 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 4 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-12_8e522404-61d7-4340-b79a-fe998f713b78_medium.png?v=1718738745)
A / CP-DO-4" | 10K ohm Type II | Duct Temperature Sensor | Sensor Length: 4 inch | ACI
Brand: ACI
SKU: A/CP-DO-4"
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![ACI A/CP-BP-10'CL2P 10K ohm Type II | Bullet Probe Temperature Sensor | Included Wire Length: 10 feet | CL2P | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-bp-10-cl2p_8968df39-a8a1-4a34-8e03-5bb8fb80645e_medium.png?v=1718738735)
A / CP-BP-10'CL2P | 10K ohm Type II | Bullet Probe Temperature Sensor | Included Wire Length: 10 feet | CL2P | ACI
Brand: ACI
SKU: A/CP-BP-10'CL2P
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![ACI A/BALCO-DO-4" RTD 1000 ohm (Balco) | Duct Temperature Sensor | Sensor Length: 4 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-12_1bc7ac74-4952-422f-80b6-896115ef99aa_medium.png?v=1718738689)
A / BALCO-DO-4" | RTD 1000 ohm (Balco) | Duct Temperature Sensor | Sensor Length: 4 inch | ACI
Brand: ACI
SKU: A/BALCO-DO-4"
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![ACI A/AN-BC-DO-6" 10K ohm w 11K shunt | Duct Temperature Sensor | Sensor Length: 6 inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-do-12_697a85de-b1d0-4ec7-bbe9-e063d6b0281c_medium.png?v=1718738625)
A / AN-BC-DO-6" | 10K ohm w 11K shunt | Duct Temperature Sensor | Sensor Length: 6 inch | ACI
Brand: ACI
SKU: A/AN-BC-DO-6"
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![ACI A/3K-R 3K ohm | Room Zone Wall Temperature Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r-rj6_a4211a0b-82d9-4086-b232-2b44794eaa37_medium.png?v=1718738538)
A / 3K-R | 3K ohm | Room Zone Wall Temperature Sensor | ACI
Brand: ACI
SKU: A/3K-R
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![ACI A/20K-SBS 20K ohm | Stainless Steel Button Temperature Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-sbs_5d432c49-8631-4dfe-88c4-5b8fe89a8662_medium.png?v=1718738505)
A / 20K-SBS | 20K ohm | Stainless Steel Button Temperature Sensor | ACI
Brand: ACI
SKU: A/20K-SBS
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![ACI A/1K-2W-SBS RTD 1000 ohm (2 wire) | Stainless Steel Button Temperature Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-sbs_9aae1656-8339-4b58-9f20-070a5d99656b_medium.png?v=1718738380)
A / 1K-2W-SBS | RTD 1000 ohm (2 wire) | Stainless Steel Button Temperature Sensor | ACI
Brand: ACI
SKU: A/1K-2W-SBS
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![ACI A/1K-2W-BP RTD 1000 ohm (2 wire) | Bullet Probe Temperature Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-bp_8e3bbc1c-8c35-4a93-b322-44efc1d5b738_medium.png?v=1718738327)
A / 1K-2W-BP | RTD 1000 ohm (2 wire) | Bullet Probe Temperature Sensor | ACI
Brand: ACI
SKU: A/1K-2W-BP
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