Air quality sensors Air quality Category/type
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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-C-D Carbon Monoxide Duct Mount Transmitter with BACnet & Modbus Communication | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/gstc_n_lcd_front_1000x1000_5ed7e72f-51a5-4273-9812-8d2d0216d87a_medium.gif?v=1719999133)
GSTC-C-D | Carbon Monoxide Duct Mount Transmitter with BACnet & Modbus Communication | Dwyer
Brand: Dwyer
SKU: GSTC-C-D
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![Dwyer PMI-2.5WA-N-N Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_a285a3fa-3749-47b2-96ff-3130d91b5b97_medium.jpg?v=1719999571)
PMI-2.5WA-N-N | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | Dwyer
Brand: Dwyer
SKU: PMI-2.5WA-N-N
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![Dwyer PMI-10WC-RLY-LCD Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | relay | LCD display and Modbus® | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_45c89c13-b718-48a2-813f-a61370566ee1_medium.jpg?v=1719999562)
PMI-10WC-RLY-LCD | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | relay | LCD display and Modbus® | Dwyer
Brand: Dwyer
SKU: PMI-10WC-RLY-LCD
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![Dwyer PMI-2.5DC-N-N Particulate transmitter | PM 2.5 duct mount | 4-20 mA | 0-10V and Modbus® | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_7b6a4b05-5163-4ab2-baea-2af1629c56ae_medium.jpg?v=1719999558)
PMI-2.5DC-N-N | Particulate transmitter | PM 2.5 duct mount | 4-20 mA | 0-10V and Modbus® | Dwyer
Brand: Dwyer
SKU: PMI-2.5DC-N-N
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![Dwyer PMI-2.5DA-N-LCD Particulate transmitter | PM 2.5 duct mount | 4-20 mA | 0-10V | LCD Display | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_2fee2cde-b444-475b-a7e4-581010e3e636_medium.jpg?v=1719999567)
PMI-2.5DA-N-LCD | Particulate transmitter | PM 2.5 duct mount | 4-20 mA | 0-10V | LCD Display | Dwyer
Brand: Dwyer
SKU: PMI-2.5DA-N-LCD
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![Dwyer PMI-10WC-RLY-N Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | relay and Modbus® | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_ea7d22ec-0ae0-469e-aa9f-85c6074faa76_medium.jpg?v=1719999542)
PMI-10WC-RLY-N | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | relay and Modbus® | Dwyer
Brand: Dwyer
SKU: PMI-10WC-RLY-N
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![Dwyer PMI-10WC-N-N Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V and Modbus® | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_e3f933d3-eeab-4b3a-a62f-1113eeeff2bf_medium.jpg?v=1719999533)
PMI-10WC-N-N | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V and Modbus® | Dwyer
Brand: Dwyer
SKU: PMI-10WC-N-N
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![Dwyer PMI-10WA-RLY-B Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | Relay | LCD display with buttons | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_fd844bef-c383-4709-83a1-d5ed66d16fc9_medium.jpg?v=1719999532)
PMI-10WA-RLY-B | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | Relay | LCD display with buttons | Dwyer
Brand: Dwyer
SKU: PMI-10WA-RLY-B
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![Dwyer PMI-10WA-N-B Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display with buttons | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_f29c1a2e-8323-4639-bc0d-ead2f0d85df5_medium.jpg?v=1719999518)
PMI-10WA-N-B | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display with buttons | Dwyer
Brand: Dwyer
SKU: PMI-10WA-N-B
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![Dwyer PMI-2.5WC-N-N Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V and Modbus® | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_68fa3720-d217-4bc9-89a0-b0a66677bab7_medium.jpg?v=1719999514)
PMI-2.5WC-N-N | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V and Modbus® | Dwyer
Brand: Dwyer
SKU: PMI-2.5WC-N-N
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