sensors
![Image for Air Quality Sensors](http://blackhawksupply.com/cdn/shop/files/ultravation-as-ih-1001_100x.jpg?v=1720029593)
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![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)
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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)
![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)
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![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)
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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 Flame Sensors](http://blackhawksupply.com/cdn/shop/files/578623_100x.jpg?v=1720025028)
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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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![Dwyer 668D-03-2 Compact differential pressure transmitter | 0 to 10 VDC | 0 to 0.5" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/668b-668d_large_d6a650e2-8b74-4727-930e-b52f24fa4777_medium.gif?v=1719997990)
668D-03-2 | Compact differential pressure transmitter | 0 to 10 VDC | 0 to 0.5" w.c. | Dwyer
Brand: Dwyer
SKU: 668D-03-2
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![Dwyer 668B-01-1 Compact differential pressure transmitter | 4 to 20 mA | 0 to 0.1" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/668b-668d_large_119e2c65-ed22-43cc-adc9-b63bb261195d_medium.gif?v=1719997990)
668B-01-1 | Compact differential pressure transmitter | 4 to 20 mA | 0 to 0.1" w.c. | Dwyer
Brand: Dwyer
SKU: 668B-01-1
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![Dwyer 655A-06-C Wet/wet differential pressure transmitter | range 0-1 psid. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/655a_600x600_3b1c9dc0-4e5a-49fb-baff-ce6c6bfcb88a_medium.gif?v=1719997986)
655A-06-C | Wet / wet differential pressure transmitter | range 0-1 psid. | Dwyer (OBSOLETE)
Brand: Dwyer
SKU: 655A-06-C
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![Dwyer 668D-06-2 Compact differential pressure transmitter | 0 to 10 VDC | 0 to 5" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/668b-668d_large_e1b915cb-075e-41e6-af7f-da819699dbd5_medium.gif?v=1719997990)
668D-06-2 | Compact differential pressure transmitter | 0 to 10 VDC | 0 to 5" w.c. | Dwyer
Brand: Dwyer
SKU: 668D-06-2
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![Dwyer 668B-06-2 Compact differential pressure transmitter | 0 to 10 VDC | 0 to 5" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/668b-668d_large_73c352d2-aad3-4b7b-94a3-d12c54cc6792_medium.gif?v=1719997990)
668B-06-2 | Compact differential pressure transmitter | 0 to 10 VDC | 0 to 5" w.c. | Dwyer
Brand: Dwyer
SKU: 668B-06-2
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![Dwyer 668B-04-2 Compact differential pressure transmitter | 0 to 10 VDC | 0 to 1" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/668b-668d_large_de76896c-987f-4516-9d78-11d87fb0dfe2_medium.gif?v=1719997986)
668B-04-2 | Compact differential pressure transmitter | 0 to 10 VDC | 0 to 1" w.c. | Dwyer
Brand: Dwyer
SKU: 668B-04-2
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![Dwyer 629HLP-90-P2-S1 Differential pressure transmitter | 0-90 psi | 1/4" Female NPT | 4-20mA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/629hlp_frontleft_1000x1000_a77565db-a85c-4552-b866-d47c2f4afcc2_medium.gif?v=1719997985)
629HLP-90-P2-S1 | Differential pressure transmitter | 0-90 psi | 1 / 4" Female NPT | 4-20mA | Dwyer
Brand: Dwyer
SKU: 629HLP-90-P2-S1
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![Dwyer 647-6 Wet/wet differential pressure transmitter | range 0-5 psid. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/647_600x600_8479ed6d-85e8-431d-ab06-3887b7e30dc7_medium.gif?v=1719997986)
647-6 | Wet / wet differential pressure transmitter | range 0-5 psid. | Dwyer
Brand: Dwyer
SKU: 647-6
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![Dwyer 647-5 Wet/wet differential pressure transmitter | range 0-1 psid. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/647_600x600_d82f7573-1569-4c15-93d8-f3f8175717ca_medium.gif?v=1719997981)
647-5 | Wet / wet differential pressure transmitter | range 0-1 psid. | Dwyer
Brand: Dwyer
SKU: 647-5
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![Dwyer 636D-2 Fixed range differential pressure transmitter | range 0-30 psid. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/636d_600x600_ceb28402-ffff-439f-9d23-d82c9931cef4_medium.gif?v=1719997985)
636D-2 | Fixed range differential pressure transmitter | range 0-30 psid. | Dwyer
Brand: Dwyer
SKU: 636D-2
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![Dwyer 641B-4-LED Air velocity transmitter with LED display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/641b_1000x1000_ff81ff74-788a-491f-b5f4-bed8581430ef_medium.gif?v=1719997980)
641B-4-LED | Air velocity transmitter with LED display. | Dwyer
Brand: Dwyer
SKU: 641B-4-LED
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![Dwyer 668-19 Differential pressure transmitter | range 0-0.4" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/668_600x600_4cfc8289-b1ca-4538-bd27-d57a8614f145_medium.gif?v=1719997980)
668-19 | Differential pressure transmitter | range 0-0.4" w.c. | Dwyer
Brand: Dwyer
SKU: 668-19
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![Dwyer 668B-21-2 Compact differential pressure transmitter | 0 to 10 VDC | 0 to 0.2" w.c. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/668b-668d_large_981d129a-1d84-4a25-968f-0f105d107ebb_medium.gif?v=1719997980)
668B-21-2 | Compact differential pressure transmitter | 0 to 10 VDC | 0 to 0.2" w.c. | Dwyer
Brand: Dwyer
SKU: 668B-21-2
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