sensors
![Image for Air Quality Sensors](http://blackhawksupply.com/cdn/shop/files/ultravation-as-ih-1001_100x.jpg?v=1720029593)
![Image for Humidity Sensors](http://blackhawksupply.com/cdn/shop/files/QFM81.2_79d4079b-70ec-46dd-ad55-c21dcc811194_100x.jpg?v=1720023785)
![Image for Air Velocity Sensors](http://blackhawksupply.com/cdn/shop/files/QVM62.1_100x.jpg?v=1720023759)
![Image for Thermostats](http://blackhawksupply.com/cdn/shop/files/ecobee-eb-emssi-01_48df1219-0270-4f07-af67-47cc3ee72019_100x.jpg?v=1720730915)
![Image for Pressure Sensors](http://blackhawksupply.com/cdn/shop/files/PW2LX04S_6c40e6e0-b56a-469a-a684-dc6532e6c3e6_100x.jpg?v=1722028074)
![Image for Room Humidity Sensors](http://blackhawksupply.com/cdn/shop/files/VT8650U5000B_f493c69b-7e48-4d7a-a12f-bf6df0936a5e_100x.jpg?v=1721752016)
![Image for Flow Sensors](http://blackhawksupply.com/cdn/shop/files/fs2_600x600_741c4899-db29-404d-a494-2301b132231a_100x.gif?v=1719999007)
![Image for Network Sensors](http://blackhawksupply.com/cdn/shop/files/BAC-5051E-medium_100x.jpg?v=1720012548)
![Image for Duct Sensors](http://blackhawksupply.com/cdn/shop/files/QPM2162_0092b664-4303-4de9-a39a-9b2aad45f32b_100x.jpg?v=1720023774)
![Image for Duct Temperature Sensors](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-lt-d-8-2-gd_1b647ff8-9a71-4bb0-80e7-b1a9242bcfe2_100x.png?v=1719982702)
![Image for Room Temperature Sensors](http://blackhawksupply.com/cdn/shop/files/QAA2280.FWSC_100x.jpg?v=1720023764)
![Image for Room Humidity/Temperature Sensors](http://blackhawksupply.com/cdn/shop/files/logo_aci_product_4c07a5a6-75de-4335-80bb-a190ee2b2a96_100x.png?v=1719982921)
![Image for Duct Humidity Sensors](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_c053cdf0-84ce-4aba-8dc0-96e222748d81_100x.jpg?v=1719982450)
![Image for Accessories](http://blackhawksupply.com/cdn/shop/files/AQF3100_100x.jpg?v=1720022886)
![Image for Humidity & Temperature Sensors](http://blackhawksupply.com/cdn/shop/files/HU-226-3-VDC-12_22c8888c-36c1-4e0c-88ff-47489b4d620a_100x.png?v=1720012853)
![Image for Temperature & Humidity Sensors](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22DTH-5.._01_4C-product_retina_74879663-4e72-4953-b2f4-cee9bd8c338b_100x.jpg?v=1719983615)
![Image for Liquid Level Sensors](http://blackhawksupply.com/cdn/shop/files/F59H-1C_46b2f514-8aa8-4745-9db6-557f94695344_100x.png?v=1719992959)
![Image for Water Detection](http://blackhawksupply.com/cdn/shop/files/Senva_Family_WD_909753fc-5e01-4976-b21f-1a46ea055ef3_100x.jpg?v=1720021280)
![Image for Wireless Sensors](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22UTH-550X...560X_01_4C-product_retina_edb15bca-1963-4af5-bf42-4ec7bed341d8_100x.jpg?v=1719983659)
![Image for Networked Sensors](http://blackhawksupply.com/cdn/shop/files/STE-8201W80-medium_100x.jpg?v=1720012668)
![Image for Air Flow Sensors](http://blackhawksupply.com/cdn/shop/files/sce-n12fga66_53879c00-21b3-4265-9167-df33e85948ae_100x.png?v=1720019013)
![Image for Gas Detection](http://blackhawksupply.com/cdn/shop/files/aci-q6-co-h2-100l_905be93c-e90a-4247-9774-e5e64c2a4389_100x.jpg?v=1719983058)
![Image for Enclosures](http://blackhawksupply.com/cdn/shop/files/PXA-ENC_3b3830d8-a75b-4743-ac6d-47dca67d1da8_100x.png?v=1720023762)
![Image for Smoke Sensors](http://blackhawksupply.com/cdn/shop/files/aci-rt-3000-p_c3917f02-db34-450d-8ddf-de5d220f5ba4_100x.png?v=1719983110)
![Image for Sensor Accessories](http://blackhawksupply.com/cdn/shop/files/aci-universal-clip-6_63584f76-a29f-41a9-86ea-b829da162614_100x.jpg?v=1719983203)
![Image for Room Sensors](http://blackhawksupply.com/cdn/shop/files/Senva_Family_AQW_d13dbeab-df71-4ec7-9af9-da03b6ffc002_100x.png?v=1720021017)
![Image for Relays](http://blackhawksupply.com/cdn/shop/files/VC3XXX_850b8410-35d1-45d7-816b-d4e3dd1ac696_100x.png?v=1721752016)
![Image for Thermometers](http://blackhawksupply.com/cdn/shop/files/TG53_f97df607-acc5-4057-b310-491162de664b_100x.jpg?v=1720032207)
![Image for Data Loggers](http://blackhawksupply.com/cdn/shop/files/dw_usb_lcd_1000x1000_a57bb880-d892-42fd-8dd1-7914ea2b78e3_100x.gif?v=1719998923)
![Image for Flame Sensors](http://blackhawksupply.com/cdn/shop/files/578623_100x.jpg?v=1720025028)
![Image for Differential Pressure Sensors](http://blackhawksupply.com/cdn/shop/files/sce-n12fga33_3488ebf9-03be-4992-b910-573e0b4db050_100x.png?v=1720018999)
![Image for Covers](http://blackhawksupply.com/cdn/shop/files/VT73XX_100x.png?v=1720030229)
![Image for Timer Sensors](http://blackhawksupply.com/cdn/shop/files/THR-131-j_a290dae0-cbe7-49ed-b4a4-cac572ca7d2c_100x.jpg?v=1720054312)
![Image for Current/Voltage Sensors](http://blackhawksupply.com/cdn/shop/files/TH4-P1R1T0_76398a8d-df4f-4831-803d-0f441cc9334b_100x.jpg?v=1720047140)
![Image for Current & Voltage Sensors](http://blackhawksupply.com/cdn/shop/files/TH4-P2R0T0_ff69cba0-733a-4169-83a3-ea1d1eedbf1b_100x.jpg?v=1720046961)
View Details
![ACI A/RH3-20K-O-SUN OUTSIDE, 4X, SUN SHIELD, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-cp-o-sun-nist_0d5a91c7-c709-43ce-bbdd-fa6e1cdb5183_medium.png?v=1719982484)
A / RH3-20K-O-SUN | OUTSIDE, 4X, SUN SHIELD, 3% | ACI
Brand: ACI
SKU: A/RH3-20K-O-SUN
View Details
![ACI A/RH3-1K-NI-R2O ROOM, O/R, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh3-100-2w-r2o_84fa89dd-5c28-4aa4-b7a8-91297c823f7b_medium.png?v=1719982479)
A / RH3-1K-NI-R2O | ROOM, O / R, 3% | ACI
Brand: ACI
SKU: A/RH3-1K-NI-R2O
View Details
![ACI A/RH3-1K-NI-O-SUN OUTSIDE, 4X, SUN SHIELD, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-cp-o-sun-nist_1f4f9c29-7854-45e4-96dc-b1f26b221a3c_medium.png?v=1719982479)
A / RH3-1K-NI-O-SUN | OUTSIDE, 4X, SUN SHIELD, 3% | ACI
Brand: ACI
SKU: A/RH3-1K-NI-O-SUN
View Details
![ACI A/RH3-1K-NI-O OUTSIDE, EH, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh3-1k-2w-o-05_dbb71b59-69b0-4fad-a84d-9488b99d3c28_medium.png?v=1719982479)
A / RH3-1K-NI-O | OUTSIDE, EH, 3% | ACI
Brand: ACI
SKU: A/RH3-1K-NI-O
View Details
![ACI A/RH2-O-SUN OUTSIDE, 4X, SUN SHIELD, 2% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-cp-o-sun-nist_baaa9dba-6994-4762-aa71-c1b4075750ca_medium.png?v=1719982479)
A / RH2-O-SUN | OUTSIDE, 4X, SUN SHIELD, 2% | ACI
Brand: ACI
SKU: A/RH2-O-SUN
View Details
![ACI A/RH3-1K-2W-RO ROOM, O/R, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-an-bc-ro_51d7423c-ec5b-45ec-89a4-c99ef8520174_medium.png?v=1719982479)
A / RH3-1K-2W-RO | ROOM, O / R, 3% | ACI
Brand: ACI
SKU: A/RH3-1K-2W-RO
View Details
![ACI A/RH3-1K-NI-O-BB OUTSIDE, BB, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-an-o-bb_ef8ebdfc-5e8c-409f-9757-7d6684615bc4_medium.png?v=1719982474)
A / RH3-1K-NI-O-BB | OUTSIDE, BB, 3% | ACI
Brand: ACI
SKU: A/RH3-1K-NI-O-BB
View Details
![ACI A/RH3-1K-NI-O-4X OUTSIDE, 4X, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh3-1k-3w-o-4x_4340d8ee-0618-45c5-b9e9-64a9797f35f4_medium.png?v=1719982475)
A / RH3-1K-NI-O-4X | OUTSIDE, 4X, 3% | ACI
Brand: ACI
SKU: A/RH3-1K-NI-O-4X
View Details
![ACI A/RH3-10KS-D DUCT, EH, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_ba334ab2-df2e-47cb-b3a5-2fc5da9e2180_medium.jpg?v=1719982475)
A / RH3-10KS-D | DUCT, EH, 3% | ACI
Brand: ACI
SKU: A/RH3-10KS-D
View Details
![ACI A/RH3-10KS-R2 ROOM, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-an-r2-rj4_effbe2b7-d1ad-4c34-91d5-1c25638094e2_medium.png?v=1719982475)
A / RH3-10KS-R2 | ROOM, 3% | ACI
Brand: ACI
SKU: A/RH3-10KS-R2
View Details
![ACI A/RH3-1K-NI-D-4X DUCT, 4X, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-an-d-4x_f95ab762-3e83-4ac8-bce6-c8b38cb06690_medium.png?v=1719982479)
A / RH3-1K-NI-D-4X | DUCT, 4X, 3% | ACI
Brand: ACI
SKU: A/RH3-1K-NI-D-4X
View Details
![ACI A/RH3-1K-3W-D DUCT, EH, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_ab2907f0-da8c-4b64-8d43-e412f8a52d5a_medium.jpg?v=1719982479)
A / RH3-1K-3W-D | DUCT, EH, 3% | ACI
Brand: ACI
SKU: A/RH3-1K-3W-D
View Details
![ACI A/RH3-10K-E1-R2O ROOM, O/R, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh3-100-2w-r2o_fae52676-9a69-4f42-a174-388787e2e97f_medium.png?v=1719982474)
A / RH3-10K-E1-R2O | ROOM, O / R, 3% | ACI
Brand: ACI
SKU: A/RH3-10K-E1-R2O
View Details
![ACI A/RH3-100-3W-R2 ROOM, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-an-r2-rj4_607779be-7c8d-4e12-9658-a79a187c83a5_medium.png?v=1719982474)
A / RH3-100-3W-R2 | ROOM, 3% | ACI
Brand: ACI
SKU: A/RH3-100-3W-R2
View Details
![ACI A/RH3-10KS-O OUTSIDE, EH, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh3-1k-2w-o-05_a764ae74-ed59-45ca-8781-e1a4e1613b45_medium.png?v=1719982474)
A / RH3-10KS-O | OUTSIDE, EH, 3% | ACI
Brand: ACI
SKU: A/RH3-10KS-O
View Details
![ACI A/RH3-1K-2W-D-4X DUCT, 4X, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-an-d-4x_57f63579-da75-4bb6-93ae-ebb35d5afcfc_medium.png?v=1719982470)
A / RH3-1K-2W-D-4X | DUCT, 4X, 3% | ACI
Brand: ACI
SKU: A/RH3-1K-2W-D-4X
View Details
![ACI A/RH3-1K-2W-D DUCT, EH, 3% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-rh2-1k-2w-d-nist_80eb30df-4abc-42c7-aaf3-5610640363d3_medium.jpg?v=1719982469)
A / RH3-1K-2W-D | DUCT, EH, 3% | ACI
Brand: ACI
SKU: A/RH3-1K-2W-D
Committed to customer satisfaction
as experts in Sensors
Recently Viewed
Popular Products
View all →![Veris PW2LX05S Pressure | Wet | NEMA 4 | LCD | 0-250PSID | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PW2LX05S_large.jpg?v=1720029916)
PW2LX05S | Pressure | Wet | NEMA 4 | LCD | 0-250PSID | Veris
Brand: Veris
SKU: PW2LX05S![Siemens RDY2000BN BACnet Commercial Thermostat | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RDY2000BN_e3c0626d-a99d-46c3-b2b3-52fd3373e5c4_large.jpg?v=1720023806)
RDY2000BN | BACnet Commercial Thermostat | Siemens
Brand: Siemens
SKU: RDY2000BN![Viconics R820-643-REV2 SCR Power controller 600 V, 45 A, 3 phase | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/r820_7cb77ca8-160c-48e9-aeff-0d2c30617492_large.jpg?v=1720030225)
R820-643-REV2 | SCR Power controller 600 V, 45 A, 3 phase | Viconics
Brand: Viconics
SKU: R820-643-REV2![iO HVAC Controls iO-WR-XR Extended Range wireless relay kit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO_WR_XR_web_large.png?v=1719992337)
iO-WR-XR | Extended Range wireless relay kit | iO HVAC Controls (OBSOLETE)
Brand: iO HVAC Controls
SKU: iO-WR-XR