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=1722436514)
![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
![Johnson Controls HMS1655R HMS;DISPLAY;PWR SPLY; HMS;FUME HOOD DISPLAY;1 SIDE WALL SENSOR;NO SASH SENSOR; WITH POWER SUPPLY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hmstrk_a28d85f8-237c-4d1d-a117-65a33430ed97_medium.jpg?v=1719992983)
HMS1655R | HMS;DISPLAY;PWR SPLY; HMS;FUME HOOD DISPLAY;1 SIDE WALL SENSOR;NO SASH SENSOR; WITH POWER SUPPLY | Johnson Controls
Brand: Johnson Controls
SKU: HMS1655R
View Details
![Johnson Controls HE-69135NS-0 SURFACEMNTDUCT;0-5V;3%RH; SURFACE MNT DUCT SENSOR;0-5V RH OUTPUT; +/-3%RH; 1KOHM NICKEL RTD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_e99a92ba-4651-468c-a4d2-dfd0918442e9_medium.jpg?v=1719992983)
HE-69135NS-0 | SURFACEMNTDUCT;0-5V;3%RH; SURFACE MNT DUCT SENSOR;0-5V RH OUTPUT; + / -3%RH; 1KOHM NICKEL RTD | Johnson Controls
Brand: Johnson Controls
SKU: HE-69135NS-0
View Details
![Johnson Controls HE-67N2-1B00W HUMIDITY ELEMENT; WALL MOUNT W/ NICKEL TEMP SENSOR 2% ACCURACY SINGLE SETPT WARMER/COOLER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_a8b26cfc-046d-4f78-b6e9-57301daaf52c_medium.jpg?v=1719992983)
HE-67N2-1B00W | HUMIDITY ELEMENT; WALL MOUNT W / NICKEL TEMP SENSOR 2% ACCURACY SINGLE SETPT WARMER / COOLER | Johnson Controls (OBSOLETE)
Brand: Johnson Controls
SKU: HE-67N2-1B00W
View Details
![Johnson Controls GS3RWMX00P GAS SENSOR REPLACEMENT POD; CO AND 1000 ? PLATINUM TEMP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_da226934-52a2-49c0-a41a-62c2c567d92d_medium.jpg?v=1719992983)
GS3RWMX00P | GAS SENSOR REPLACEMENT POD; CO AND 1000 ? PLATINUM TEMP | Johnson Controls
Brand: Johnson Controls
SKU: GS3RWMX00P
View Details
![Johnson Controls GS302WMXIR2P Gas Sensor, combined CO/NO2, 4 mA to 20 mA, 1K ohm platinum temperature | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/GS3000_20Gas_20Detector_20Sensor_4557ce7b-9ce1-4774-b8ce-199c32c61c41_medium.jpg?v=1719992979)
GS302WMXIR2P | Gas Sensor, combined CO / NO2, 4 mA to 20 mA, 1K ohm platinum temperature | Johnson Controls
Brand: Johnson Controls
SKU: GS302WMXIR2P
View Details
![Johnson Controls HE-68N2-1N00WS 2% RH NI W/C WALL MOUNT; WALL MOUNT 2% RH NICKEL TEMP WARMER/COOLER ADJUST | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1345755968951_e71528eb-1520-4f38-bf04-20786ff9acf0_medium.jpg?v=1719992978)
HE-68N2-1N00WS | 2% RH NI W / C WALL MOUNT; WALL MOUNT 2% RH NICKEL TEMP WARMER / COOLER ADJUST | Johnson Controls
Brand: Johnson Controls
SKU: HE-68N2-1N00WS
View Details
![Johnson Controls GS3RWMX00A GAS SENSOR REPLACEMENT POD; CO AND TEMP FOR BACNET | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_67ed4665-5855-4421-97b5-affe33f224be_medium.jpg?v=1719992980)
GS3RWMX00A | GAS SENSOR REPLACEMENT POD; CO AND TEMP FOR BACNET | Johnson Controls
Brand: Johnson Controls
SKU: GS3RWMX00A
View Details
![Johnson Controls GS302WMRVR2P GAS SENSOR;CO/NO2 - REMOTE NO2; CO/NO2 - REMOTE NO2; 0-5/0-10VDC;1000 ? PLAT.TEMP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/GS3000_20Gas_20Detector_20Sensor_153ad0f5-5e42-4591-8fca-9380a64d785d_medium.jpg?v=1719992979)
GS302WMRVR2P | GAS SENSOR;CO / NO2 - REMOTE NO2; CO / NO2 - REMOTE NO2; 0-5 / 0-10VDC;1000 ? PLAT.TEMP | Johnson Controls
Brand: Johnson Controls
SKU: GS302WMRVR2P
View Details
![Johnson Controls HE-6863-0N00WS 3% RH 10K THERM WALL MNT; WALL MOUNT 3% RH 10K OHM NTC THERMISTOR TEMP TYPE II NO ADJUST 80X80 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_31b86e25-58fd-4bdb-b711-bb44607f399c_medium.jpg?v=1719992979)
HE-6863-0N00WS | 3% RH 10K THERM WALL MNT; WALL MOUNT 3% RH 10K OHM NTC THERMISTOR TEMP TYPE II NO ADJUST 80X80 | Johnson Controls
Brand: Johnson Controls
SKU: HE-6863-0N00WS
View Details
![Johnson Controls GS302WMXIR2N GAS SENSOR; CO/NO2 - COMBO; CO/NO2 - COMBO; 4-20 MA; 1000 ? NICKEL TEMP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/GS3000_20Gas_20Detector_20Sensor_559fe870-fa32-4138-bc97-5e853432240f_medium.jpg?v=1719992974)
GS302WMXIR2N | GAS SENSOR; CO / NO2 - COMBO; CO / NO2 - COMBO; 4-20 MA; 1000 ? NICKEL TEMP | Johnson Controls
Brand: Johnson Controls
SKU: GS302WMXIR2N
View Details
![Johnson Controls HT-68P3-0N000 OA RH TEMP TRNSMTR 4-20MA; OUTODOR RH TEMP DEW PT ENTHALPY WET BULB TRNSMTR 40-20MA OUTPUT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HT-68P3-0N000_34422459-175e-4aaf-a78e-b22b3dcdb843_medium.png?v=1719992975)
HT-68P3-0N000 | OA RH TEMP TRNSMTR 4-20MA; OUTODOR RH TEMP DEW PT ENTHALPY WET BULB TRNSMTR 40-20MA OUTPUT | Johnson Controls
Brand: Johnson Controls
SKU: HT-68P3-0N000
View Details
![Johnson Controls G-2010-16 AIR GAGE 2" 0-160 BTM CN. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/G-2010-16_aaf59e97-3c71-44b3-935d-01e351e4a7fc_medium.png?v=1719992974)
G-2010-16 | AIR GAGE 2" 0-160 BTM CN. | Johnson Controls (OBSOLETE)
Brand: Johnson Controls
SKU: G-2010-16
View Details
![Johnson Controls GS302WMXVR2P GAS SENSOR; CO/NO2 - COMBO; CO/NO2 - COMBO; 0-5/0-10VDC;1000 ? PLAT.TEMP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/GS3000_20Gas_20Detector_20Sensor_3186fa4d-692d-4643-a48d-fffa679251f9_medium.jpg?v=1719992970)
GS302WMXVR2P | GAS SENSOR; CO / NO2 - COMBO; CO / NO2 - COMBO; 0-5 / 0-10VDC;1000 ? PLAT.TEMP | Johnson Controls
Brand: Johnson Controls
SKU: GS302WMXVR2P
View Details
![Johnson Controls GS302WMRIR2N GAS SENSOR;CO/NO2 - REMOTE NO2; CO/NO2 - REMOTE NO2; 4-20 MA; 1000 ? NICKEL TEMP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/GS3000_20Gas_20Detector_20Sensor_0b88c952-7067-4c06-8b6b-64180ab2c5a8_medium.jpg?v=1719992974)
GS302WMRIR2N | GAS SENSOR;CO / NO2 - REMOTE NO2; CO / NO2 - REMOTE NO2; 4-20 MA; 1000 ? NICKEL TEMP | Johnson Controls
Brand: Johnson Controls
SKU: GS302WMRIR2N
View Details
![Johnson Controls FMS2M-RT FMS-2000M DISPLAY, RETROFIT THIN MOUNT WITH WALL PLATE, RMA ONLY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_b9af28f8-f853-41a2-acc1-42e4d62f9db0_medium.jpg?v=1719992969)
FMS2M-RT | FMS-2000M DISPLAY, RETROFIT THIN MOUNT WITH WALL PLATE, RMA ONLY | Johnson Controls
Brand: Johnson Controls
SKU: FMS2M-RT
View Details
![Johnson Controls GRD10A-606 PLASTIC THERMOSTAT GUARD; AND BASEPLATE SMALL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/grd10a-608_0c2513d2-89dd-430b-b67f-e57669b59dc0_medium.jpg?v=1719992969)
GRD10A-606 | PLASTIC THERMOSTAT GUARD; AND BASEPLATE SMALL | Johnson Controls
Brand: Johnson Controls
SKU: GRD10A-606
View Details
![Johnson Controls FTG13A-600R CAPILLARY FITTING ASSY; 1/2" CLOSE TANK CONN FOR TEMP. CONTROLS | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_ed8eee42-6396-44a7-b6d1-f25b84509e86_medium.jpg?v=1719992974)
FTG13A-600R | CAPILLARY FITTING ASSY; 1 / 2" CLOSE TANK CONN FOR TEMP. CONTROLS | Johnson Controls
Brand: Johnson Controls
SKU: FTG13A-600R
View Details
![Johnson Controls GRD10A-608 PLASTIC THERMOSTAT GUARD; BASEPLATE & MTG RING LG. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/grd10a-608_8d4b3395-9df9-468d-b186-1072addc01e1_medium.jpg?v=1719992969)
GRD10A-608 | PLASTIC THERMOSTAT GUARD; BASEPLATE & MTG RING LG. | Johnson Controls
Brand: Johnson Controls
SKU: GRD10A-608
View Details
![Johnson Controls FMS1655_UI_SMT FMS1655 UI SURFACE MOUNT CASE; FMS1655 UI SURFACE MOUNT CASE - TRIATEK | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/fms1655_ui_smt_1d8f4a99-5b7a-4042-b648-69a5e863d31c_medium.jpg?v=1719992969)
FMS1655_UI_SMT | FMS1655 UI SURFACE MOUNT CASE; FMS1655 UI SURFACE MOUNT CASE - TRIATEK | Johnson Controls
Brand: Johnson Controls
SKU: FMS1655_UI_SMT
View Details
![Johnson Controls F59A-1C LIQ LEVEL CTL WEIGHT OPER; DPST FIXED MOUNTING BRACKET; 40" PLASTIC CBL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_acf60b67-b3d8-4a2e-8683-7d29c02ada1a_medium.jpg?v=1719992955)
F59A-1C | LIQ LEVEL CTL WEIGHT OPER; DPST FIXED MOUNTING BRACKET; 40" PLASTIC CBL | Johnson Controls
Brand: Johnson Controls
SKU: F59A-1C
View Details
![Johnson Controls F59D-5C LIQ LEVEL CTL WEIGHT OPER; SPST WITH DROP CORD AND DUAL PLUG; 36" CBL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_2183cc51-f779-4860-bb01-be07ae53b307_medium.jpg?v=1719992955)
F59D-5C | LIQ LEVEL CTL WEIGHT OPER; SPST WITH DROP CORD AND DUAL PLUG; 36" CBL | Johnson Controls
Brand: Johnson Controls
SKU: F59D-5C
View Details
![Johnson Controls EP-8000-1 EP TRANSDUCER 0/10V LOW; LO-VOL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/EP-8000-1_efa26cba-c392-4188-8db2-8bd51f770093_medium.png?v=1719992945)
EP-8000-1 | EP TRANSDUCER 0 / 10V LOW; LO-VOL | Johnson Controls
Brand: Johnson Controls
SKU: EP-8000-1
View Details
![Dwyer A3000-50MM Pressure switch/gage | range 0-50 mm w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/a3000_4935dd9a-257a-43d5-bc36-bdc0db5affde_medium.jpg?v=1719998240)
A3000-50MM | Pressure switch / gage | range 0-50 mm w.c. | Dwyer
Brand: Dwyer
SKU: A3000-50MM
Committed to customer satisfaction
as experts in Sensors
Recently Viewed
Popular Products
View all →![Siemens SAS61.33U MT Series SAS Electronic Valve Act, SR, 24V, 0-10V / 4-20 mA Proport Control | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SAS61.33U_78a9114f-bcb0-4494-9269-0c4c103614c9_large.jpg?v=1720023835)
SAS61.33U | MT Series SAS Electronic Valve Act, SR, 24V, 0-10V / 4-20 mA Proport Control | Siemens
Brand: Siemens
SKU: SAS61.33U![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