Dwyer Air quality Category/type
We offer over 8000+ total Dwyer products, including accessories, air velocity transmitters, bin vibrators, CO2/Temp (Duct) sensors, and more. Shop now!
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![Dwyer GSTC-C Carbon Monoxide Transmitter with BACnet & Modbus Communication | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/gstc_n_lcd_front_1000x1000_f6c8f22f-8dc2-4d58-b3ac-9b2dea4c34cb_medium.gif?v=1688834886)
GSTC-C | Carbon Monoxide Transmitter with BACnet & Modbus Communication | Dwyer
Brand: Dwyer
SKU: GSTC-C
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![Dwyer GSTA-C Carbon Monoxide Transmitter with universal current/voltage outputs | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/gsta_new_600x600_94239fe8-7289-4a5f-a955-d206fabfd41a_medium.gif?v=1688836014)
GSTA-C | Carbon Monoxide Transmitter with universal current / voltage outputs | Dwyer
Brand: Dwyer
SKU: GSTA-C
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![Dwyer GSTC-N Nitrogen Dioxide Transmitter with BACnet & Modbus Communication | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/gstc_n_lcd_front_1000x1000_9213afa1-c8d9-4240-a2ee-956eb01ed3cb_medium.gif?v=1688835787)
GSTC-N | Nitrogen Dioxide Transmitter with BACnet & Modbus Communication | Dwyer
Brand: Dwyer
SKU: GSTC-N
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![Dwyer GSTA-N Nitrogen Dioxide Transmitter with universal current/voltage outputs | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/gsta_new_600x600_ee4380a7-5771-40dc-99e1-80dc535e0f75_medium.gif?v=1688836413)
GSTA-N | Nitrogen Dioxide Transmitter with universal current / voltage outputs | Dwyer
Brand: Dwyer
SKU: GSTA-N
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![Dwyer 160F-36 Straight stainless steel pitot tube | 36" | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/160_f_600x600_1_feea341b-6638-41fb-8e8f-d52e1671a38c_medium.gif?v=1688861357)
160F-36 | Straight stainless steel pitot tube | 36" | Dwyer
Brand: Dwyer
SKU: 160F-36
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![Dwyer AVFS-2 Thermo air flow switch | 24 VDC. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/avfs_600x600_c01620ea-5971-405d-ace6-ac0399148ff3_medium.gif?v=1688835252)
AVFS-2 | Thermo air flow switch | 24 VDC. | Dwyer
Brand: Dwyer
SKU: AVFS-2
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![Dwyer AAFS Adjustable air flow paddle switch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/aafs__new_600x600_3607b603-0679-4135-9833-12ff5d252bf9_medium.gif?v=1688870503)
AAFS | Adjustable air flow paddle switch | Dwyer
Brand: Dwyer
SKU: AAFS
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![Dwyer HHT-EU-LCD Explosion-proof humidity transmitter with LCD display. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/hht_600x600_c8d71932-8a9e-42ac-9179-1f980df25f72_medium.gif?v=1688836081)
HHT-EU-LCD | Explosion-proof humidity transmitter with LCD display. | Dwyer
Brand: Dwyer
SKU: HHT-EU-LCD
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![Dwyer 160F-60 Straight stainless steel pitot tube | 60" | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/160_f_600x600_1_ca9cb7af-7c3c-49f4-9e58-513e262d440f_medium.gif?v=1688855040)
160F-60 | Straight stainless steel pitot tube | 60" | Dwyer
Brand: Dwyer
SKU: 160F-60
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iO-WR-XR | Extended Range wireless relay kit | iO HVAC Controls (OBSOLETE)
Brand: iO HVAC Controls
SKU: iO-WR-XR