Sensors Thermistor & 4-20 ma Temp & humidity signals
![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/A6V10320551_en_26cbb695-fe0d-4253-89f7-c65c996f976c_100x.jpg?v=1724437953)
![Image for Air Velocity Sensors](http://blackhawksupply.com/cdn/shop/files/A6V10256787_en_100x.jpg?v=1723900516)
![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_2aa99148-fb66-4e40-a711-7a6bf5dbf2d8_100x.jpg?v=1723900869)
![Image for Room Humidity Sensors](http://blackhawksupply.com/cdn/shop/files/VT8650U5000B_100x.jpg?v=1723901181)
![Image for Flow Sensors](http://blackhawksupply.com/cdn/shop/files/FS2_600x600_cdde7cc4-cf31-4eaf-aaaa-546dd51625e5_100x.gif?v=1724444634)
![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/A6V10219142_en_100x.jpg?v=1723900530)
![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/A6V10260204_en_5fcfc329-6809-40f2-9f25-01d9029d73f5_100x.jpg?v=1723900511)
![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/A6V10256764_en_100x.jpg?v=1723900207)
![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_bdd3b394-8f8a-46a6-b3be-24dbdc502657_100x.jpg?v=1723858656)
![Image for Liquid Level Sensors](http://blackhawksupply.com/cdn/shop/files/F59H-1C_561fe822-6e1e-447e-9413-856bce990160_100x.png?v=1724233873)
![Image for Water Detection](http://blackhawksupply.com/cdn/shop/files/Senva_Family_WD_100x.jpg?v=1723872342)
![Image for Wireless Sensors](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22UTH-550X...560X_01_4C-product_retina_bc5ec978-c848-4b0a-94e9-0db28aff9978_100x.jpg?v=1723858692)
![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_100x.png?v=1723871159)
![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/siemens_logo_3f0a5f01-5c23-479b-873e-e0194002ca68_100x.jpg?v=1723900519)
![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/VC3504E5000_100x.jpg?v=1723901158)
![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_100x.png?v=1723871140)
![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
![Belimo 22DTH-56M Duct Temp+Hum Sensor BAC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22DTH-55M...56M_01_4C-product_retina_93cc0f0c-c6ed-4e32-bbf5-0fab9adc6f34_medium.jpg?v=1723858734)
22DTH-56M | Duct Temp+Hum Sensor BAC | Belimo
Brand: Belimo
SKU: 22DTH-56M
View Details
![Mamac HU-227-2-MA-12 Temp & RH 2% | Temp: 10K Type II | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-227-2-MA-12_2157705f-8433-4c88-aa26-796859cd52a4_medium.png?v=1720012824)
HU-227-2-MA-12 | Temp & RH 2% | Temp: 10K Type II | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-227-2-MA-12
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_0c614784-5e28-4d0f-a621-e65ef20a0c0b_medium.png?v=1720012807)
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
![Mamac HU-227-3-MA-12 Temp & RH 3% | Temp: 10K Type II | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-227-3-MA-12_ad76aaa9-2993-42ac-bd9e-a2cbbef12d21_medium.png?v=1720012821)
HU-227-3-MA-12 | Temp & RH 3% | Temp: 10K Type II | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-227-3-MA-12
View Details
![Belimo 22DTH-53M Duct Temp+Hum Sensor A | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22DTH-5.._01_4C-product_retina_09ac010a-3ec0-46b0-831a-d2c228349015_medium.jpg?v=1723858724)
22DTH-53M | Duct Temp+Hum Sensor A | Belimo
Brand: Belimo
SKU: 22DTH-53M
View Details
![Belimo 22DTH-55M Duct Temp+Hum Sensor MOD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22DTH-55M...56M_01_4C-product_retina_medium.jpg?v=1723858692)
22DTH-55M | Duct Temp+Hum Sensor MOD | Belimo
Brand: Belimo
SKU: 22DTH-55M
View Details
![Mamac HU-226-3-MA-12 Temp & RH 3% | Temp: 10K Type II | RH: 4-20mA | Duct Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-226-3-MA-12_eabf23cb-67a0-4db2-a624-a45efa741cf0_medium.png?v=1720012824)
HU-226-3-MA-12 | Temp & RH 3% | Temp: 10K Type II | RH: 4-20mA | Duct Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-226-3-MA-12
View Details
![Mamac HU-227-3-MA-10 Temp & RH 3% | Temp: 3K | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-227-3-MA-10_cbb8a83a-5e65-49b3-86a3-bea4e1a6b037_medium.png?v=1720012847)
HU-227-3-MA-10 | Temp & RH 3% | Temp: 3K | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-227-3-MA-10
View Details
![Mamac HU-226-2-MA-7 Temp & RH 2% | Temp: 10K Type III | RH: 4-20mA | Duct Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-226-2-MA-7_d55b143e-ff78-43ca-a928-2281a3e8ea5f_medium.png?v=1720012817)
HU-226-2-MA-7 | Temp & RH 2% | Temp: 10K Type III | RH: 4-20mA | Duct Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-226-2-MA-7
View Details
![Mamac HU-226-3-MA-10 Temp & RH 3% | Temp: 3K | RH: 4-20mA | Duct Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-226-3-MA-10_aa06e9e8-297c-4eb6-a8d9-f55221be3b07_medium.png?v=1720012802)
HU-226-3-MA-10 | Temp & RH 3% | Temp: 3K | RH: 4-20mA | Duct Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-226-3-MA-10
View Details
![Belimo 22DTH-53ML Duct Temp+Hum Sensor NTC10k A | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_AM_22DTH-5.._01_4C-product_retina_6eb81593-69cb-46ae-b5c8-37420c0cf252_medium.jpg?v=1723858676)
22DTH-53ML | Duct Temp+Hum Sensor NTC10k A | Belimo
Brand: Belimo
SKU: 22DTH-53ML
View Details
![Mamac HU-226-2-MA-10 Temp & RH 2% | Temp: 3K | RH: 4-20mA | Duct Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-226-2-MA-10_fe517870-3da7-445c-8ee9-1efa1365cbd9_medium.png?v=1720012857)
HU-226-2-MA-10 | Temp & RH 2% | Temp: 3K | RH: 4-20mA | Duct Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-226-2-MA-10
View Details
![Mamac HU-226-2-MA-12 Temp & RH 2% | Temp: 10K Type II | RH: 4-20mA | Duct Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-226-2-MA-12_1ce78fd2-d57e-4bb7-86b6-6b98dc204487_medium.png?v=1720012844)
HU-226-2-MA-12 | Temp & RH 2% | Temp: 10K Type II | RH: 4-20mA | Duct Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-226-2-MA-12
View Details
![Mamac HU-226-2-MA-18 Temp & RH 2% | Temp: 2.252K | RH: 4-20mA | Duct Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-226-2-MA-18_d14041d2-2bdf-43ac-956e-ec643a9ded3a_medium.png?v=1720012842)
HU-226-2-MA-18 | Temp & RH 2% | Temp: 2.252K | RH: 4-20mA | Duct Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-226-2-MA-18
View Details
![Mamac HU-227-2-MA-15 Temp & RH 2% | Temp: 100K | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-227-2-MA-15_27ea0bdb-d058-4799-a3ed-e7d59e8ed635_medium.png?v=1720012836)
HU-227-2-MA-15 | Temp & RH 2% | Temp: 100K | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-227-2-MA-15
View Details
![Mamac HU-227-2-MA-10 Temp & RH 2% | Temp: 3K | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-227-2-MA-10_abad1a5b-12f0-47d6-8476-8137255c4e88_medium.png?v=1720012836)
HU-227-2-MA-10 | Temp & RH 2% | Temp: 3K | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-227-2-MA-10
View Details
![Mamac HU-227-3-MA-21 Temp & RH 3% | Temp: 1.8K | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-227-3-MA-21_55a979a6-4301-4290-aa5c-7fdef9e5fdb1_medium.png?v=1720012836)
HU-227-3-MA-21 | Temp & RH 3% | Temp: 1.8K | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-227-3-MA-21
View Details
![Mamac HU-226-3-MA-18 Temp & RH 3% | Temp: 2.252K | RH: 4-20mA | Duct Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-226-3-MA-18_3db8f95d-fed5-4fe6-9102-cab79e72e6af_medium.png?v=1720012831)
HU-226-3-MA-18 | Temp & RH 3% | Temp: 2.252K | RH: 4-20mA | Duct Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-226-3-MA-18
View Details
![Mamac HU-227-2-MA-7 Temp & RH 2% | Temp: 10K Type III | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-227-2-MA-7_abfe26eb-bffe-4fa8-9def-ada04e108778_medium.png?v=1720012829)
HU-227-2-MA-7 | Temp & RH 2% | Temp: 10K Type III | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-227-2-MA-7
View Details
![Mamac HU-227-3-MA-15 Temp & RH 3% | Temp: 100K | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-227-3-MA-15_89754152-ba03-4744-88e9-6da0e0e1b909_medium.png?v=1720012818)
HU-227-3-MA-15 | Temp & RH 3% | Temp: 100K | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-227-3-MA-15
View Details
![Mamac HU-226-3-MA-15 Temp & RH 3% | Temp: 100K | RH: 4-20mA | Duct Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-226-3-MA-15_924a3de0-824d-4f69-a75b-3992fc732f51_medium.png?v=1720012816)
HU-226-3-MA-15 | Temp & RH 3% | Temp: 100K | RH: 4-20mA | Duct Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-226-3-MA-15
View Details
![Mamac HU-227-3-MA-7 Temp & RH 3% | Temp: 10K Type III | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-227-3-MA-7_1b900758-fe37-4017-bdab-fe1bc51af1f2_medium.png?v=1720012814)
HU-227-3-MA-7 | Temp & RH 3% | Temp: 10K Type III | RH: 4-20mA | Outdoor Outside Air Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-227-3-MA-7
View Details
![Mamac HU-226-2-MA-21 Temp & RH 2% | Temp: 1.8K | RH: 4-20mA | Duct Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-226-2-MA-21_77506892-0e93-4bee-965d-6ed8294bf28d_medium.png?v=1720012812)
HU-226-2-MA-21 | Temp & RH 2% | Temp: 1.8K | RH: 4-20mA | Duct Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-226-2-MA-21
View Details
![Mamac HU-226-2-MA-15 Temp & RH 2% | Temp: 100K | RH: 4-20mA | Duct Temp & Humidity Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HU-226-2-MA-15_b173c8dc-a031-46f4-8355-1192735420cc_medium.png?v=1720012809)
HU-226-2-MA-15 | Temp & RH 2% | Temp: 100K | RH: 4-20mA | Duct Temp & Humidity Sensor | Mamac
Brand: Mamac
SKU: HU-226-2-MA-15
12
Committed to customer satisfaction
as experts in Sensors
Recently Viewed
Popular Products
View all →![Siemens 547-323A RCM FM BAC +/-.25"wc(62.5Pa)0.5%FS | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/547-322B-2__18675.1474097902.1280.1280_0249500b-bb5c-4841-86a5-dc4ca99e17fb_large.jpg?v=1722622317)
547-323A | RCM FM BAC +/-.25"wc(62.5Pa)0.5%FS | Siemens
Brand: Siemens
SKU: 547-323A![Tekmar 564 Invita WiFi Thermostat - White | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/564_6a17abd4-0a05-4c6f-a187-06ce9d5eca9b_large.jpg?v=1724184090)
564 | Invita WiFi Thermostat - White | Tekmar
Brand: Tekmar
SKU: 564![Siemens GVD221.1U Damper Actuator | Spring Return | 120 VAC | On/Off | 200 lb-in | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/GVD221.1U_large.jpg?v=1720094536)
GVD221.1U | Damper Actuator | Spring Return | 120 VAC | On/Off | 200 lb-in | Siemens
Brand: Siemens
SKU: GVD221.1U![EWC Controls 4 URD 4 Inch Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_07e7adb7-d68b-443d-b241-d537040f9794_large.gif?v=1720094307)
4 URD | 4 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 4 URD![Johnson Controls P599VCPS107K 0 TO 750 PSIS PRESS; P599 PRESSURE TRANSDUCER WITH WIRE HARNESS KIT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/P599VCPS107K_9f97b865-c3e6-45aa-8efb-68f659a8d4f9_large.jpg?v=1719993481)
P599VCPS107K | 0 TO 750 PSIS PRESS; P599 PRESSURE TRANSDUCER WITH WIRE HARNESS KIT | Johnson Controls
Brand: Johnson Controls
SKU: P599VCPS107K