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_100x.jpg?v=1720029907)
![Image for Room Humidity Sensors](http://blackhawksupply.com/cdn/shop/files/VT8650U5000B_100x.jpg?v=1721071825)
![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_ae571092-9618-4793-b527-a7c923477144_100x.png?v=1720030228)
![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 85930-017-025 CH3CO, Replacement Sensor,0-100% | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-85930-017-019-ethanol_53931353-909f-4b8f-9942-f5b0d89ec463_medium.jpg?v=1719981288)
85930-017-025 | CH3CO, Replacement Sensor, 0-100% | ACI
Brand: ACI
SKU: 85930-017-025
View Details
![ACI A/0.1CP-D-4"-GD DUCT 4", GD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-d-18-4-gd_c60bd8b9-09d3-44ff-8c1c-ff40e57fce57_medium.png?v=1719981288)
A / 0.1CP-D-4"-GD | DUCT 4", GD | ACI
Brand: ACI
SKU: A/0.1CP-D-4"-GD
View Details
![ACI 85930-018-011 O3, Replacement Sensor, 0-1ppm | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-85930-017-019-ethanol_53862c19-f09a-49f1-9d33-829e59031d94_medium.jpg?v=1719981288)
85930-018-011 | O3, Replacement Sensor, 0-1ppm | ACI
Brand: ACI
SKU: 85930-018-011
View Details
![ACI 85930-018-101 HBR, Replacement Sensor, 0-30ppm | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-85930-017-019-ethanol_1c6512eb-c8e9-4ca9-90d2-4588b48ef6c7_medium.jpg?v=1719981284)
85930-018-101 | HBR, Replacement Sensor, 0-30ppm | ACI
Brand: ACI
SKU: 85930-018-101
View Details
![ACI A/1.8K-BBS 1.8K ohm | Brass Button Temperature Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1-8k-bbs_12c7f212-b2a8-4f6e-b9bf-3dc31a251604_medium.png?v=1719981285)
A / 1.8K-BBS | 1.8K ohm | Brass Button Temperature Sensor | ACI
Brand: ACI
SKU: A/1.8K-BBS
View Details
![ACI A/0.1CP-INW-4"-PB High Accuracy 10,000 Ohm Thermistor (Type II), Immersion, No Well, 4", Plastic Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt100-inw-2-5-4-pb_764ea458-8d70-416a-8752-e15c0a8f496b_medium.png?v=1719981288)
A / 0.1CP-INW-4"-PB | High Accuracy 10, 000 Ohm Thermistor (Type II), Immersion, No Well, 4", Plastic Enclosure | ACI
Brand: ACI
SKU: A/0.1CP-INW-4"-PB
View Details
![ACI A/0.1AN-R High Accuracy 10,000 Ohm Thermistor (Type III), Room (R) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-cp-r-rj6_d3b23f57-cc2e-4fd7-a383-1cdc2c1b31b4_medium.png?v=1719981288)
A / 0.1AN-R | High Accuracy 10, 000 Ohm Thermistor (Type III), Room (R) | ACI
Brand: ACI
SKU: A/0.1AN-R
View Details
![ACI A/0.1AN-O-4X-AS OUTSIDE, 4X, ALUM SLEEVE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-0-1an-o-4x-as_aa26c909-6dff-4f95-ac23-79a3c72e7c68_medium.jpg?v=1719981284)
A / 0.1AN-O-4X-AS | OUTSIDE, 4X, ALUM SLEEVE | ACI
Brand: ACI
SKU: A/0.1AN-O-4X-AS
View Details
![ACI A/0.1CP-INW-2.5"-BB High Accuracy 10,000 Ohm Thermistor (Type II), Immersion, No Well, 2.5", NEMA 3R Enclosure | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-inw-2-5-bb_medium.png?v=1719981284)
A / 0.1CP-INW-2.5"-BB | High Accuracy 10, 000 Ohm Thermistor (Type II), Immersion, No Well, 2.5", NEMA 3R Enclosure | ACI
Brand: ACI
SKU: A/0.1CP-INW-2.5"-BB
View Details
![ACI A/0.1CP-O-4X-AS-NIST OUTSIDE, 4X, ALUM SLEEVE, NIST | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-0-1an-o-4x-as_medium.jpg?v=1719981283)
A / 0.1CP-O-4X-AS-NIST | OUTSIDE, 4X, ALUM SLEEVE, NIST | ACI
Brand: ACI
SKU: A/0.1CP-O-4X-AS-NIST
View Details
![ACI A/0.1CP-D-8"-4X DUCT 8", 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100-3w-d-18-4x_medium.png?v=1719981284)
A / 0.1CP-D-8"-4X | DUCT 8", 4X | ACI
Brand: ACI
SKU: A/0.1CP-D-8"-4X
View Details
![ACI A/0.1CP-IM-4"-4X IMMER 4", 4X, MACH WELL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-1k-ni-i-2-5-4x_medium.jpg?v=1719981284)
A / 0.1CP-IM-4"-4X | IMMER 4", 4X, MACH WELL | ACI
Brand: ACI
SKU: A/0.1CP-IM-4"-4X
View Details
![ACI A/0.1CP-D-8"-GD-NIST DUCT 8", GD, NIST | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-d-18-4-gd_0e7c2f41-c637-4169-8648-faf620aa2288_medium.png?v=1719981296)
A / 0.1CP-D-8"-GD-NIST | DUCT 8", GD, NIST | ACI
Brand: ACI
SKU: A/0.1CP-D-8"-GD-NIST
View Details
![ACI A/0.1CP-D-8"-GD DUCT 8", GD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-tt1k-d-18-4-gd_ec6c1140-a88f-40cc-af93-ee3b6cafa47e_medium.png?v=1719981288)
A / 0.1CP-D-8"-GD | DUCT 8", GD | ACI
Brand: ACI
SKU: A/0.1CP-D-8"-GD
View Details
![ACI A/0.1CP-D-6"-4X DUCT 6", 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-100-3w-d-18-4x_c0eaf781-26ed-488d-913a-0456c70be06f_medium.png?v=1719981284)
A / 0.1CP-D-6"-4X | DUCT 6", 4X | ACI
Brand: ACI
SKU: A/0.1CP-D-6"-4X
View Details
![ACI 85930-018-201 CO, Replacement Sensor,0-1000ppm | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-85930-017-019-ethanol_cb5298ec-ae6b-4132-bf31-40afc54f82d9_medium.jpg?v=1719981284)
85930-018-201 | CO, Replacement Sensor, 0-1000ppm | ACI
Brand: ACI
SKU: 85930-018-201
View Details
![ACI 85930-018-206 H2,Replacement Sensor,0-2000ppm | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-85930-017-019-ethanol_c4a9fbb1-4b3a-466b-b0df-560795318b63_medium.jpg?v=1719981284)
85930-018-206 | H2, Replacement Sensor, 0-2000ppm | ACI
Brand: ACI
SKU: 85930-018-206
View Details
![ACI 85930-018-202 H2S, Replacement Sensor,0-100ppm | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-85930-017-019-ethanol_a6eff63f-76eb-49ca-9bf7-68508ff0faa4_medium.jpg?v=1719981280)
85930-018-202 | H2S, Replacement Sensor, 0-100ppm | ACI
Brand: ACI
SKU: 85930-018-202
View Details
![ACI A/0.1AN-I-2.5"-PB IMMER 2.5", BB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-i-2-5-pb_e3912ae0-4467-4e19-83d1-5b23cddf0f63_medium.png?v=1719981280)
A / 0.1AN-I-2.5"-PB | IMMER 2.5", BB | ACI
Brand: ACI
SKU: A/0.1AN-I-2.5"-PB
View Details
![ACI A/0.1CP-I-6"-4X-NIST High Accuracy 10,000 Ohm Thermistor (Type II), Immersion, Welded Well, 6", NEMA 4X Enclosure, NIST Cert | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/aci-a-balco-i-2-5-4x_1be54824-1711-47fc-8784-7c9244ba7ac5_medium.png?v=1719981279)
A / 0.1CP-I-6"-4X-NIST | High Accuracy 10, 000 Ohm Thermistor (Type II), Immersion, Welded Well, 6", NEMA 4X Enclosure, NIST Cert | ACI
Brand: ACI
SKU: A/0.1CP-I-6"-4X-NIST
Committed to customer satisfaction
as experts in Sensors
Recently Viewed
Popular Products
View all →![Belimo ZS-100 Weather shield - galvaneal (13" L x 8" W x 6" D). | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ZS-100_ZS-101_Actuator_Accessory_38d7fd02-b94d-4c4f-a4a8-951e430e21de_large.png?v=1718728701)
ZS-100 | Weather shield - galvaneal (13" L x 8" W x 6" D). | Belimo
Brand: Belimo
SKU: ZS-100![Belimo EFB24-SR Damper Actuator | 270 in-lb | Spg Rtn | 24V | Modulating | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/EFB24-SR-product_retina_d9dc7c54-3b39-4c68-a53b-80d3bdbc0508_large.jpg?v=1719985477)
EFB24-SR | Damper Actuator | 270 in-lb | Spg Rtn | 24V | Modulating | Belimo
Brand: Belimo
SKU: EFB24-SR![Siemens GRD221.1U Damper Actuator | Spring Return | 120 VAC | On/Off | 30 lb-in | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/GRD221.1U_large.jpg?v=1720023729)
GRD221.1U | Damper Actuator | Spring Return | 120 VAC | On/Off | 30 lb-in | Siemens
Brand: Siemens
SKU: GRD221.1U![Veris EP2100S EP | Analog In | 3-15/0-20psi | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/EP2121S_b5cdb5ef-84c6-424a-910b-1c0e494ebdc1_large.jpg?v=1720029722)
EP2100S | EP | Analog In | 3-15/0-20psi | Veris
Brand: Veris
SKU: EP2100S![Veris E51C2 Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/E50B1_ba38f752-2758-415d-9171-4b989d36e1e7_large.jpg?v=1720452238)
E51C2 | Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Veris
Brand: Veris
SKU: E51C2![Siemens 147-2000 Positioning Relay, Pneumatic, Adj Start Point and Span, Rapid Response | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/147-2000_large.jpg?v=1720021388)
147-2000 | Positioning Relay, Pneumatic, Adj Start Point and Span, Rapid Response | Siemens
Brand: Siemens
SKU: 147-2000