sensors
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![Image for Air Velocity Sensors](http://blackhawksupply.com/cdn/shop/files/QVM62.1_100x.jpg?v=1720023759)
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![Image for Room Humidity Sensors](http://blackhawksupply.com/cdn/shop/files/VT8650U5000B_100x.jpg?v=1721071825)
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![Image for Network Sensors](http://blackhawksupply.com/cdn/shop/files/BAC-5051E-medium_100x.jpg?v=1720012548)
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![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)
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![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)
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![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)
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![Image for Relays](http://blackhawksupply.com/cdn/shop/files/VC3XXX_ae571092-9618-4793-b527-a7c923477144_100x.png?v=1720030228)
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![Image for Flame Sensors](http://blackhawksupply.com/cdn/shop/files/578623_100x.jpg?v=1720025028)
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![Image for Covers](http://blackhawksupply.com/cdn/shop/files/VT73XX_100x.png?v=1720030229)
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![Image for Current/Voltage Sensors](http://blackhawksupply.com/cdn/shop/files/TH4-P1R1T0_76398a8d-df4f-4831-803d-0f441cc9334b_100x.jpg?v=1720047140)
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![Siemens 7MF15654BB005EA1 SENSOR, LIQUID/GAS, 4-20MA, 0-15 PSIG | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/7MF15654BB005EA1_medium.jpg?v=1720022845)
7MF15654BB005EA1 | SENSOR, LIQUID / GAS, 4-20MA, 0-15 PSIG | Siemens
Brand: Siemens
SKU: 7MF15654BB005EA1
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![Siemens 544-760A Room Temperature Sensor, Sensing Only, Beige | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_15db7d32-827c-4cff-ac79-55da6d02c4a6_medium.png?v=1720022576)
544-760A | Room Temperature Sensor, Sensing Only, Beige | Siemens (OBSOLETE)
Brand: Siemens
SKU: 544-760A
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![Siemens 546-00437B LAB EL ACT, AN/FP, ACT ONLY | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/siemens-546-xxxx_0533217d-8265-451a-b4eb-63e20faa05a3_medium.png?v=1720022574)
546-00437B | LAB EL ACT, AN / FP, ACT ONLY | Siemens
Brand: Siemens
SKU: 546-00437B
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![Siemens 540-244-18 Rigid Averaging Duct Sensor, 100K Ohm; 18-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/540-244-18_medium.jpg?v=1720022561)
540-244-18 | Rigid Averaging Duct Sensor, 100K Ohm; 18-Inch | Siemens
Brand: Siemens
SKU: 540-244-18
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![Siemens 540-680FB Room Temp Sensor, Sensing w/ Override, Setpt, Fahrenheit Display, White | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10890263_en_5be89d34-7808-4fd7-a5c1-ef89cf5d4ef0_medium.jpg?v=1720022552)
540-680FB | Room Temp Sensor, Sensing w / Override, Setpt, Fahrenheit Display, White | Siemens
Brand: Siemens
SKU: 540-680FB
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![Siemens 533-377-18 Duct Point Temperature Sensor, Platinum, 30 to 250 Deg F, 18-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/533-377-18_medium.jpg?v=1720022549)
533-377-18 | Duct Point Temperature Sensor, Platinum, 30 to 250 Deg F, 18-Inch | Siemens
Brand: Siemens
SKU: 533-377-18
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![Siemens 533-376-4 Duct Point Temperature Sensor, Platinum, 20 to 120 Deg F, 4-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/533-376-4_medium.jpg?v=1720022555)
533-376-4 | Duct Point Temperature Sensor, Platinum, 20 to 120 Deg F, 4-Inch | Siemens
Brand: Siemens
SKU: 533-376-4
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![Siemens 536-384 Air Velocity Sensor Pickup Probe Kit, 2-pipe, 14" (356 mm) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/536-384_medium.jpg?v=1720022547)
536-384 | Air Velocity Sensor Pickup Probe Kit, 2-pipe, 14" (356 mm) | Siemens
Brand: Siemens
SKU: 536-384
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![Siemens 535-741-8 Duct Point Temperature Sensor, 100K Ohm Platinum NTC Type 2, 8-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/535-741-8_medium.jpg?v=1720022547)
535-741-8 | Duct Point Temperature Sensor, 100K Ohm Platinum NTC Type 2, 8-Inch | Siemens
Brand: Siemens
SKU: 535-741-8
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![Siemens 533-376-8 Duct Point Temperature Sensor, Platinum, 20 to 120 Deg F, 8-Inch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/533-376-8_medium.jpg?v=1720022542)
533-376-8 | Duct Point Temperature Sensor, Platinum, 20 to 120 Deg F, 8-Inch | Siemens
Brand: Siemens
SKU: 533-376-8
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![Siemens 536-984 Room Temperature Sensor, Flush-mount, Metal, 100K ohm | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/536-984_medium.jpg?v=1720022542)
536-984 | Room Temperature Sensor, Flush-mount, Metal, 100K ohm | Siemens
Brand: Siemens
SKU: 536-984
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![Siemens 184-0048 Temperature Transmitter, Remote Averaging Bulb, DA, 0 to 100 deg F, 1-pipe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/184-0048_medium.jpg?v=1720021661)
184-0048 | Temperature Transmitter, Remote Averaging Bulb, DA, 0 to 100 deg F, 1-pipe | Siemens
Brand: Siemens
SKU: 184-0048
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![Siemens 195-0011 Surface Mounted Receiver-Controller, Single Input, Pneumatic Output, DA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/195-0011_medium.jpg?v=1720021647)
195-0011 | Surface Mounted Receiver-Controller, Single Input, Pneumatic Output, DA | Siemens
Brand: Siemens
SKU: 195-0011
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![Siemens 192-205 Room Temp Thermostat, Pneumatic, Dual Setpoint, RA, Day/Night, Fahrenheit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/192-205_medium.jpg?v=1720021646)
192-205 | Room Temp Thermostat, Pneumatic, Dual Setpoint, RA, Day / Night, Fahrenheit | Siemens
Brand: Siemens
SKU: 192-205
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![Siemens 188-0031 Thermostat, Pneumatic, Unit Mounted, DA, Liquid Filled Bulb | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/188-0031_6c5d053d-220e-4b1b-9c02-f3c69ebf7e8f_medium.jpg?v=1720021603)
188-0031 | Thermostat, Pneumatic, Unit Mounted, DA, Liquid Filled Bulb | Siemens
Brand: Siemens
SKU: 188-0031
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![Siemens 188-0030 Thermostat, Pneumatic, Unit Mounted, DA/RA, Heat/Cool, Liquid Filled Bulb | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/188-0030_fc3945bc-86c3-40d1-b5c6-31be5d04e628_medium.jpg?v=1720094540)
188-0030 | Thermostat, Pneumatic, Unit Mounted, DA / RA, Heat / Cool, Liquid Filled Bulb | Siemens
Brand: Siemens
SKU: 188-0030
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![Siemens 141-0574 Airflow Switch, Differential Static Pressure, SPDT, Auto Reset, 0.05-1.0 in. WC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/141-0574_1b1b95e6-7f41-4733-bba8-cbd9c9bf4810_medium.jpg?v=1720021378)
141-0574 | Airflow Switch, Differential Static Pressure, SPDT, Auto Reset, 0.05-1.0 in. WC | Siemens
Brand: Siemens
SKU: 141-0574
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![Siemens 134-1511 Thermostat, Electric Low Temperature Detection, Manual Reset | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/134-1511_medium.jpg?v=1720021377)
134-1511 | Thermostat, Electric Low Temperature Detection, Manual Reset | Siemens
Brand: Siemens
SKU: 134-1511
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![Siemens 141-0575 Airflow Switch, Differential Static Pressure, SPST, Manual Reset, 1" to 12" WC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/141-0575_medium.jpg?v=1720021376)
141-0575 | Airflow Switch, Differential Static Pressure, SPST, Manual Reset, 1" to 12" WC | Siemens
Brand: Siemens
SKU: 141-0575
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![Senva Sensors TGM-ACN TG, METAL, ANALOG, CO/NO2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/Senva_Family_TGD_81360f3b-9895-4f6d-8cc2-74fc72defb11_medium.jpg?v=1720021292)
TGM-ACN | TG, METAL, ANALOG, CO / NO2 | Senva Sensors (OBSOLETE)
Brand: Senva Sensors
SKU: TGM-ACN
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![Senva Sensors P5-2500-1LP Dry Diff. Press. 25" Universal w/ LCD, Duct Probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/Senva_Family_P5_612d1bc5-b582-4a04-9427-bc7e07def3f4_medium.png?v=1720021210)
P5-2500-1LP | Dry Diff. Press. 25" Universal w / LCD, Duct Probe | Senva Sensors
Brand: Senva Sensors
SKU: P5-2500-1LP
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![Senva Sensors P5-1000-1LP Dry Diff. Press. 10" Universal w/ LCD, Duct Probe | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/Senva_Family_P5_8b26d0d3-1573-42b5-b366-bb44411eb72f_medium.png?v=1720021199)
P5-1000-1LP | Dry Diff. Press. 10" Universal w / LCD, Duct Probe | Senva Sensors
Brand: Senva Sensors
SKU: P5-1000-1LP
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![Senva Sensors PWC100 PW Conduit Element, 100PSIG | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PWC100_medium.png?v=1720021187)
PWC100 | PW Conduit Element, 100PSIG | Senva Sensors (OBSOLETE)
Brand: Senva Sensors
SKU: PWC100
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