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 AVUL-3DB1 Air velocity transmitter | 3% accuracy | duct mount | BACnet communications | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/avul_family_1000x1000_1_583e60f5-787d-42b1-b3bf-3ad5621e38c7_medium.jpg?v=1719999406)
AVUL-3DB1 | Air velocity transmitter | 3% accuracy | duct mount | BACnet communications | Dwyer
Brand: Dwyer
SKU: AVUL-3DB1
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![Dwyer PAFS-1005 Averaging flow sensor | 9-29/32" (25.26 cm) insertion length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pafs_1000_600x600_1_51984972-9a65-46ee-9506-4d744f2cb7c4_medium.gif?v=1719999456)
PAFS-1005 | Averaging flow sensor | 9-29 / 32" (25.26 cm) insertion length. | Dwyer
Brand: Dwyer
SKU: PAFS-1005
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![Dwyer PAFS-1004 Averaging flow sensor | 7-21/32" (19.55 cm) insertion length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pafs_1000_600x600_1_4d70116b-7428-44bd-a988-59e3ec4e6b7e_medium.gif?v=1719999470)
PAFS-1004 | Averaging flow sensor | 7-21 / 32" (19.55 cm) insertion length. | Dwyer
Brand: Dwyer
SKU: PAFS-1004
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![Dwyer PAFS-1002 Averaging flow sensor | 3-5/32" (8.02 cm) insertion length. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pafs_1000_600x600_1_medium.gif?v=1719999410)
PAFS-1002 | Averaging flow sensor | 3-5 / 32" (8.02 cm) insertion length. | Dwyer
Brand: Dwyer
SKU: PAFS-1002
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![Dwyer 530 Air flow switch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/530_600x600_88749a92-2136-4906-bb4f-e53a439a1bc7_medium.gif?v=1719997908)
530 | Air flow switch | Dwyer
Brand: Dwyer
SKU: 530
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![Dwyer 670 Fume hood monitor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/670_600x600_f55b2bf8-115c-4db2-9086-98e5916dff33_medium.gif?v=1719998079)
670 | Fume hood monitor | Dwyer
Brand: Dwyer
SKU: 670
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![Dwyer PMI-10DA-N-LCD Particulate transmitter | PM 10 duct mount | 4-20 mA | 0-10V | LCD Display | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_ceabdeb2-056a-4143-ad49-379744c14916_medium.jpg?v=1719999494)
PMI-10DA-N-LCD | Particulate transmitter | PM 10 duct mount | 4-20 mA | 0-10V | LCD Display | Dwyer
Brand: Dwyer
SKU: PMI-10DA-N-LCD
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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-10WA-N-LCD Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_8a576bcb-0c7a-48fe-855e-772f7bf864af_medium.jpg?v=1719999475)
PMI-10WA-N-LCD | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display | Dwyer
Brand: Dwyer
SKU: PMI-10WA-N-LCD
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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-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-10WC-N-LCD Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display | Modbus® | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_4496cb1b-ee57-4fed-b7eb-50f35a8e8b6d_medium.jpg?v=1719999469)
PMI-10WC-N-LCD | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display | Modbus® | Dwyer
Brand: Dwyer
SKU: PMI-10WC-N-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-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-2.5WA-N-B Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | LCD display with buttons | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_7c1fa438-068b-4b9c-9c89-35edabb903a5_medium.jpg?v=1719999474)
PMI-2.5WA-N-B | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | LCD display with buttons | Dwyer
Brand: Dwyer
SKU: PMI-2.5WA-N-B
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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-2.5WC-RLY-N Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | relay and Modbus® | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_44cb5766-e59f-45be-9365-d7b680483f48_medium.jpg?v=1719999474)
PMI-2.5WC-RLY-N | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | relay and Modbus® | Dwyer
Brand: Dwyer
SKU: PMI-2.5WC-RLY-N
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![Dwyer PMI-10WA-N-N Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_4bb42154-8f5d-4434-9afc-807850ca3153_medium.jpg?v=1719999503)
PMI-10WA-N-N | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | Dwyer
Brand: Dwyer
SKU: PMI-10WA-N-N
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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 AVLV-1DM1-LCD Air velocity transmitter | 1% accuracy | duct mount | Modbus" communication with LCD display | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/avlv_front_lcd_1000x1000_394902ec-5d10-417f-8519-d96207c26d8c_medium.gif?v=1719998532)
AVLV-1DM1-LCD | Air velocity transmitter | 1% accuracy | duct mount | Modbus" communication with LCD display | Dwyer
Brand: Dwyer
SKU: AVLV-1DM1-LCD
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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-2.5WC-N-LCD Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | LCD display and Modbus® | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pmi_wallmount_lcd_1000x1000_1_472bd7b3-eaff-4d5b-aaec-1154cb2083b6_medium.jpg?v=1719999479)
PMI-2.5WC-N-LCD | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | LCD display and Modbus® | Dwyer
Brand: Dwyer
SKU: PMI-2.5WC-N-LCD
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