Sensors 24vac/dc Voltage
![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_100x.jpg?v=1723900536)
![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_5336f1a8-d144-4184-8608-eb9b756e644b_100x.gif?v=1723861785)
![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_100x.png?v=1723867978)
![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)
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![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)
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![Siemens QVM62.1 Air Velocity Sensor, 0 to 10 Vdc | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10256787_en_medium.jpg?v=1723900516)
QVM62.1 | Air Velocity Sensor, 0 to 10 Vdc | Siemens
Brand: Siemens
SKU: QVM62.1
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![Siemens QFM3160 Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 0-10 Vdc, T: 0-10 Vdc | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44127_en_5928b73f-2142-4139-b585-b9952215bffb_medium.jpg?v=1723900547)
QFM3160 | Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 0-10 Vdc, T: 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFM3160
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![Siemens QFM3100 Duct Relative Humidity Temperature Sensor, 2 percent accuracy, 0-10 Vdc | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10953218_en_medium.jpg?v=1723900529)
QFM3100 | Duct Relative Humidity Temperature Sensor, 2 percent accuracy, 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFM3100
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![Siemens QFA3160 Outside Air RH and Temp Sensor, 2 percent, RH: 0-10 Vdc, T: 0-10 Vdc | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44125_en_e41c14ed-c236-4b3d-a8fb-97a2461e37e2_medium.jpg?v=1723900542)
QFA3160 | Outside Air RH and Temp Sensor, 2 percent, RH: 0-10 Vdc, T: 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFA3160
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![Siemens QPA2000 Room Sensor CO2, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10256784_en_d313eb20-db15-4363-af66-dd24b262871b_medium.jpg?v=1723900547)
QPA2000 | Room Sensor CO2, 0 to 10V | Siemens
Brand: Siemens
SKU: QPA2000
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![Siemens QPM2100 Duct Sensor CO2, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10219142_en_5b6c8708-46c7-4b62-ab13-0b51706a44b6_medium.jpg?v=1723900536)
QPM2100 | Duct Sensor CO2, 0 to 10V | Siemens
Brand: Siemens
SKU: QPM2100
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![Siemens QAC3161 OUTDR TMP SNSR, 0-10V, -58-122F, PLASTIC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/siemens_logo_82ccb59d-9dc3-4c09-935f-d7b75858ad8e_medium.jpg?v=1723900510)
QAC3161 | OUTDR TMP SNSR, 0-10V, -58-122F, PLASTIC | Siemens
Brand: Siemens
SKU: QAC3161
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![Siemens QPM2162 Duct Sensor CO2 + Temperature + Relative Humidity, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10219142_en_medium.jpg?v=1723900530)
QPM2162 | Duct Sensor CO2 + Temperature + Relative Humidity, 0 to 10V | Siemens
Brand: Siemens
SKU: QPM2162
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![Siemens QFM2100 Duct Relative Humidity Sensor, 5 percent accuracy, 0-10 Vdc | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10953212_en_medium.jpg?v=1723900543)
QFM2100 | Duct Relative Humidity Sensor, 5 percent accuracy, 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFM2100
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![Siemens QPA2002D Room sensor CO2 and VOC with Display, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10256785_en_355c7c92-3b79-4b17-8fca-49595a1e4ba0_medium.jpg?v=1723900549)
QPA2002D | Room sensor CO2 and VOC with Display, 0 to 10V | Siemens
Brand: Siemens
SKU: QPA2002D
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![Siemens QPM2162D Duct Sensor CO2 + Temperature + Relative Humidity with Display, 0-10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/QPM2162D_medium.jpg?v=1720023789)
QPM2162D | Duct Sensor CO2 + Temperature + Relative Humidity with Display, 0-10V | Siemens
Brand: Siemens
SKU: QPM2162D
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![Siemens QPM2102 Duct Sensor CO2 and VOC, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10219142_en_2f41c6fa-a7e5-4be8-8fde-34d03a347c3c_medium.jpg?v=1723900549)
QPM2102 | Duct Sensor CO2 and VOC, 0 to 10V | Siemens
Brand: Siemens
SKU: QPM2102
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![Siemens QPA2060D Room Sensor CO2 and Temperature with Display, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10256785_en_7a69bd73-b342-4b69-9932-5fd9ebbff0ec_medium.jpg?v=1723900543)
QPA2060D | Room Sensor CO2 and Temperature with Display, 0 to 10V | Siemens
Brand: Siemens
SKU: QPA2060D
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![Siemens QPM2102D Duct Sensor CO2 and VOC with Display, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10256786_en_medium.jpg?v=1723900528)
QPM2102D | Duct Sensor CO2 and VOC with Display, 0 to 10V | Siemens
Brand: Siemens
SKU: QPM2102D
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![Siemens QFA3100 Outside Air Relative Humidity Sensor, 2 percent accuracy, 0-10 Vdc | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44125_en_59c95dea-e055-4cce-b75d-67a8fa7729fa_medium.jpg?v=1723900521)
QFA3100 | Outside Air Relative Humidity Sensor, 2 percent accuracy, 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFA3100
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![Siemens QLS60 Solar sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10320553_en_medium.jpg?v=1723900536)
QLS60 | Solar sensor | Siemens
Brand: Siemens
SKU: QLS60
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![Siemens QPM2180 Duct CO2 Sensor selectable resistance temperature output | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/QPM2180_medium.jpg?v=1720023832)
QPM2180 | Duct CO2 Sensor selectable resistance temperature output | Siemens
Brand: Siemens
SKU: QPM2180
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![Siemens QPM2160 Duct Sensor CO2 and Temperature, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10219142_en_08894721-0805-49fc-ae13-269546a19d34_medium.jpg?v=1723900549)
QPM2160 | Duct Sensor CO2 and Temperature, 0 to 10V | Siemens
Brand: Siemens
SKU: QPM2160
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![Siemens QPA2062 Room Sensor CO2 + Temperature + Relative Humidity, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10256784_en_34fff004-5df2-4791-a675-422d4228d319_medium.jpg?v=1723900546)
QPA2062 | Room Sensor CO2 + Temperature + Relative Humidity, 0 to 10V | Siemens
Brand: Siemens
SKU: QPA2062
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![Siemens QPA2002 Room Sensor CO2 and VOC, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10256784_en_78a169c1-b4b3-4a02-8d2c-473748c28102_medium.jpg?v=1723900543)
QPA2002 | Room Sensor CO2 and VOC, 0 to 10V | Siemens
Brand: Siemens
SKU: QPA2002
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![Siemens QPA2060 Room Sensor CO2 and Temperature, 0 to 10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10256784_en_medium.jpg?v=1723900531)
QPA2060 | Room Sensor CO2 and Temperature, 0 to 10V | Siemens
Brand: Siemens
SKU: QPA2060
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![Siemens QXA2100 CONDENSATION MONITOR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V101006548_en_e309e8e8-c0cf-42ef-9654-23413be18186_medium.jpg?v=1723900532)
QXA2100 | CONDENSATION MONITOR | Siemens
Brand: Siemens
SKU: QXA2100
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![Siemens QFM2120 Duct RH and Temp Sensor, 5 percent, RH: 0-10 Vdc, T: 1K ohm Nickel | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44126_en_0b660e02-cd99-4e5f-b473-70a493b858a7_medium.jpg?v=1723900522)
QFM2120 | Duct RH and Temp Sensor, 5 percent, RH: 0-10 Vdc, T: 1K ohm Nickel | Siemens
Brand: Siemens
SKU: QFM2120
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![Siemens QFA4160 Outside Air RH and Temp Sensor, 2 percent certified, RH: 0-10 Vdc, T: 0-10 Vdc | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44125_en_f5f6d548-a9bc-48d2-8d23-6068dd59f8f8_medium.jpg?v=1723900544)
QFA4160 | Outside Air RH and Temp Sensor, 2 percent certified, RH: 0-10 Vdc, T: 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFA4160
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