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/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 547-206B RPM SM BAC +/-2.5"WC( 625PA).25%FS | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_a032fba3-672d-4c1d-870c-908711a55ee7_medium.png?v=1720022574)
547-206B | RPM SM BAC + / -2.5"WC( 625PA).25%FS | Siemens
Brand: Siemens
SKU: 547-206B
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![Siemens 544-374B Flush Mount Room Temp Sensor, 1K Ohm Platinum RTD (375 Alpha), White Plastic | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/544-374B_medium.jpg?v=1720022578)
544-374B | Flush Mount Room Temp Sensor, 1K Ohm Platinum RTD (375 Alpha), White Plastic | Siemens
Brand: Siemens
SKU: 544-374B
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![Siemens 540-671A Room Temp Sensor, Full Feature, No Logo, Tool Port, Siemens TEC Controllers | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10260203_en_466d4f18-fa64-48c8-8f8b-ebd6f19b5a1d_medium.jpg?v=1723899990)
540-671A | Room Temp Sensor, Full Feature, No Logo, Tool Port, Siemens TEC Controllers | Siemens
Brand: Siemens
SKU: 540-671A
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![Siemens 544-480B OCCUPANCY OVERRIDE BUTTON, WHITE - 25-PA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/siemens-599-00305_aced7600-067e-438c-ad25-d55d2a4205eb_medium.jpg?v=1720022571)
544-480B | OCCUPANCY OVERRIDE BUTTON, WHITE - 25-PA | Siemens
Brand: Siemens
SKU: 544-480B
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![Siemens 544-560-4 Duct Point Sensor, Platinum, -4 to 122 Deg F, 4-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/544-560-4_medium.jpg?v=1720022571)
544-560-4 | Duct Point Sensor, Platinum, -4 to 122 Deg F, 4-Inch | Siemens
Brand: Siemens
SKU: 544-560-4
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![Siemens 544-785B Extender Ring Kit, White | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/544-785B_medium.jpg?v=1720022568)
544-785B | Extender Ring Kit, White | Siemens
Brand: Siemens
SKU: 544-785B
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![Siemens 544-780CA Room Temp Sensor, Platinum 1K Ohm (385 Alpha), Full Feature, Siemens Logo | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10260204_en_e6b333ac-6b7c-435f-bb52-bceb551b7430_medium.jpg?v=1723899987)
544-780CA | Room Temp Sensor, Platinum 1K Ohm (385 Alpha), Full Feature, Siemens Logo | Siemens
Brand: Siemens
SKU: 544-780CA
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![Siemens 544-480A OCCUPANCY OVERRIDE BUTTON, BEIGE - 25-PA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/siemens-588-101a_medium.jpg?v=1720022568)
544-480A | OCCUPANCY OVERRIDE BUTTON, BEIGE - 25-PA | Siemens
Brand: Siemens
SKU: 544-480A
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![Siemens 544-481B SET POINT DOOR, WHITE - 25-PACK | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/siemens-544-481b_medium.jpg?v=1720022564)
544-481B | SET POINT DOOR, WHITE - 25-PACK | Siemens
Brand: Siemens
SKU: 544-481B
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![Siemens 544-484B BLANKING OVERRIDE BUTTON, WHITE- 25-PACK | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_401bb15f-eff7-4ba3-9546-8ab4a5e5ec2d_medium.png?v=1720022563)
544-484B | BLANKING OVERRIDE BUTTON, WHITE- 25-PACK | Siemens
Brand: Siemens
SKU: 544-484B
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![Siemens 544-482A BLANK BEZEL, BEIGE - 25-PACK | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/siemens-544-482a_medium.jpg?v=1720022564)
544-482A | BLANK BEZEL, BEIGE - 25-PACK | Siemens
Brand: Siemens
SKU: 544-482A
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![Siemens 536-380 Air Velocity Sensor Pickup Probe Kit, 2-pipe, 10" (254 mm) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218909_en_6e1bff3c-f487-45cc-a129-00aad65653e7_medium.jpg?v=1723899981)
536-380 | Air Velocity Sensor Pickup Probe Kit, 2-pipe, 10" (254 mm) | Siemens
Brand: Siemens
SKU: 536-380
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![Siemens 544-483A RTS REPAIR KIT, BEIGE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/siemens-544-483a_medium.jpg?v=1720022562)
544-483A | RTS REPAIR KIT, BEIGE | Siemens
Brand: Siemens
SKU: 544-483A
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![Siemens 536-752A Room Temp Sensor, 0-10V / 0-5V / 4-20 mA (selectable), No HMI, Siemens Logo | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10224391_en_7946fafb-ff77-44d5-8c43-36da0cf33c84_medium.jpg?v=1723899980)
536-752A | Room Temp Sensor, 0-10V / 0-5V / 4-20 mA (selectable), No HMI, Siemens Logo | Siemens
Brand: Siemens
SKU: 536-752A
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![Siemens 536-784A Flush Mount Room Temp Sensor, 100K Ohm (NTC), Desert Beige Plastic Cover | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/536-784A_medium.jpg?v=1720022561)
536-784A | Flush Mount Room Temp Sensor, 100K Ohm (NTC), Desert Beige Plastic Cover | Siemens
Brand: Siemens
SKU: 536-784A
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![Siemens 544-483B RTS REPAIR KIT, WHITE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/siemens-599-00305_medium.jpg?v=1720022559)
544-483B | RTS REPAIR KIT, WHITE | Siemens
Brand: Siemens
SKU: 544-483B
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![Siemens 544-481A SET POINT DOOR, BEIGE - 25-PACK | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_b2704c58-4cf2-4fb4-a2e0-e6c92e289ce5_medium.png?v=1720022558)
544-481A | SET POINT DOOR, BEIGE - 25-PACK | Siemens
Brand: Siemens
SKU: 544-481A
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![Siemens 536-777-RK Immersion Well Repair Kit, 100K Ohm NTC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_278e384e-5d5f-428b-8a17-3ba9abcea921_medium.png?v=1720022557)
536-777-RK | Immersion Well Repair Kit, 100K Ohm NTC | Siemens
Brand: Siemens
SKU: 536-777-RK
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![Siemens 536-777-60 Liquid Immersion Temperature Sensor, 100K Ohm Type 2, 6-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/536-777-60_medium.jpg?v=1720022556)
536-777-60 | Liquid Immersion Temperature Sensor, 100K Ohm Type 2, 6-Inch | Siemens
Brand: Siemens
SKU: 536-777-60
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![Siemens 540-652A Room Temperature Sensor with Fan Speed Switch, Beige | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/540-652A_medium.jpg?v=1720022556)
540-652A | Room Temperature Sensor with Fan Speed Switch, Beige | Siemens
Brand: Siemens
SKU: 540-652A
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![Siemens 536-753B Room Temp Sensor, 0-10V / 0-5V / 4-20 mA (selectable), No HMI, Siemens Logo | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10224391_en_9bd75b1d-db80-4e94-8b87-d2eb1be0ec5e_medium.jpg?v=1723899979)
536-753B | Room Temp Sensor, 0-10V / 0-5V / 4-20 mA (selectable), No HMI, Siemens Logo | Siemens
Brand: Siemens
SKU: 536-753B
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![Siemens 540-671B Room Temp Sensor, Full Feature, No Logo, Tool Port, Siemens TEC Controllers | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10260203_en_medium.jpg?v=1723899984)
540-671B | Room Temp Sensor, Full Feature, No Logo, Tool Port, Siemens TEC Controllers | Siemens
Brand: Siemens
SKU: 540-671B
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![Siemens 540-739 10K Ohm Duct Temperature Sensor, with 18-inch probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/540-739_medium.jpg?v=1720022552)
540-739 | 10K Ohm Duct Temperature Sensor, with 18-inch probe | Siemens
Brand: Siemens
SKU: 540-739
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![Siemens 540-246-72 Flexible Averaging Duct Sensor, 100K Ohm, 6-Foot | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/44707_en_143a62b4-f03a-4221-833b-5ca5d0e4b283_medium.jpg?v=1723899982)
540-246-72 | Flexible Averaging Duct Sensor, 100K Ohm, 6-Foot | Siemens
Brand: Siemens
SKU: 540-246-72
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