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/files/gstc_n_lcd_front_1000x1000_a6115036-e7aa-46e9-b3ec-eda557d404d0_medium.gif?v=1719999073)
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/files/gsta_new_600x600_6396706f-b4c5-4bf0-9e90-6030bcef31fe_medium.gif?v=1719999113)
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/files/gstc_n_lcd_front_1000x1000_b2ae6042-1115-4887-87c8-944ade48ccf9_medium.gif?v=1719999104)
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/files/gsta_new_600x600_4ceb2583-2251-451b-aa91-8d69cda42b55_medium.gif?v=1719999124)
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/files/160_f_600x600_1_99d57a6a-6474-491c-90e2-2a288fed5c5f_medium.gif?v=1719997632)
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/files/avfs_600x600_0f8feab5-c3e9-4cae-a463-834e69ce4b05_medium.gif?v=1719998459)
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/files/aafs__new_600x600_396b6914-9b00-49a4-ad22-3cb74a983b5e_medium.gif?v=1719998345)
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/files/hht_600x600_d06b7bf3-cd75-4dc7-a356-1cc4ba811afb_medium.gif?v=1719999118)
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/files/160_f_600x600_1_medium.gif?v=1719997567)
160F-60 | Straight stainless steel pitot tube | 60" | Dwyer
Brand: Dwyer
SKU: 160F-60
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E51C2 | Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Veris
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Brand: Neptronic
SKU: BM000![Schneider Electric MA-418-500 Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MA-4_ecd10f9d-5838-4cc6-ac2b-c31863a62c32_large.jpg?v=1720019688)
MA-418-500 | Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418-500![Schneider Electric MA-418 Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MA-4_c6d3be61-0ef2-433b-830d-9bec9e29b3e0_large.jpg?v=1719925296)
MA-418 | Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418