air quality sensors

Indoor air quality directly affects building occupant health, comfort and productivity. Blackhawk Supply provides commercial-grade air quality sensors for buildings to deliver real-time data on particulate matter, CO2, VOC levels and other critical air quality parameters. These sensors integrate seamlessly with building automation systems to enable responsive HVAC adjustments that maintain optimal indoor environments.

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CO2 Sensors

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Duct CO2 Sensors

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Particulate Matter Sensors

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Dwyer PMI-10WC-RLY-B Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | relay | LCD display with buttons and Modbus® | Blackhawk Supply

PMI-10WC-RLY-B | Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | relay | LCD display with buttons and Modbus® | Dwyer

Brand: Dwyer

SKU: PMI-10WC-RLY-B

Dwyer PMI-2.5WC-RLY-LCD Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | relay | LCD display and Modbus® | Blackhawk Supply

PMI-2.5WC-RLY-LCD | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | relay | LCD display and Modbus® | Dwyer

Brand: Dwyer

SKU: PMI-2.5WC-RLY-LCD

Dwyer PMI-2.5WC-N-B Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | LCD display with buttons and Modbus® | Blackhawk Supply

PMI-2.5WC-N-B | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | LCD display with buttons and Modbus® | Dwyer

Brand: Dwyer

SKU: PMI-2.5WC-N-B

Dwyer PMI-10WA-N-LCD Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display | Blackhawk Supply

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

Dwyer PMI-2.5WA-N-B Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | LCD display with buttons | Blackhawk Supply

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

Dwyer PMI-2.5WC-RLY-N Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | relay and Modbus® | Blackhawk Supply

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

Dwyer PMT2-03-A-U2 Particulate transmitter | 3" probe | UL intrinsically safe rating | 3/4" male NPT process connections | 1/2" female NPT electrical connections | Blackhawk Supply

PMT2-03-A-U2 | Particulate transmitter | 3" probe | UL intrinsically safe rating | 3 / 4" male NPT process connections | 1 / 2" female NPT electrical connections | Dwyer

Brand: Dwyer

SKU: PMT2-03-A-U2

Dwyer PMI-10DA-N-N Particulate transmitter | PM 10 duct mount | 4-20 mA | 0-10V | Blackhawk Supply

PMI-10DA-N-N | Particulate transmitter | PM 10 duct mount | 4-20 mA | 0-10V | Dwyer

Brand: Dwyer

SKU: PMI-10DA-N-N

Johnson Controls NSB8MHC240-0G Temp | RH | CO2 | LCD Display | White | PIR Occ Sensor | JCI Branded | Blackhawk Supply

NSB8MHC240-0G | Temp | RH | CO2 | LCD Display | White | PIR Occ Sensor | JCI Branded | Johnson Controls

Brand: Johnson Controls

SKU: NSB8MHC240-0G

Dwyer MAFS-400MM Averaging air flow sensor | 400mm probe | Blackhawk Supply

MAFS-400MM | Averaging air flow sensor | 400mm probe | Dwyer

Brand: Dwyer

SKU: MAFS-400MM

Dwyer GSTC-C-FC Carbon monoxide transmitter with BACnet & Modbus® communication | includes factory calibration certificate | Blackhawk Supply

GSTC-C-FC | Carbon monoxide transmitter with BACnet & Modbus® communication | includes factory calibration certificate | Dwyer

Brand: Dwyer

SKU: GSTC-C-FC

Dwyer CDTV-2D4E4 Duct VOC & CO2 transmitter | universal analog outputs | 2000PPM CO2 | PT1K Ohm RTD temperature sensor | Blackhawk Supply

CDTV-2D4E4 | Duct VOC & CO2 transmitter | universal analog outputs | 2000PPM CO2 | PT1K Ohm RTD temperature sensor | Dwyer

Brand: Dwyer

SKU: CDTV-2D4E4

Dwyer CDTV-2D4B4 Duct VOC & CO2 transmitter | universal analog outputs | 2000PPM CO2 | 10K Ohm Type II temperature sensor | Blackhawk Supply

CDTV-2D4B4 | Duct VOC & CO2 transmitter | universal analog outputs | 2000PPM CO2 | 10K Ohm Type II temperature sensor | Dwyer

Brand: Dwyer

SKU: CDTV-2D4B4

Dwyer CDTV-2N4A4 Wall Voc & CO2 transmitter | universal analog outputs | 2000 ppm CO2 | 10K Ohm Type III temperature sensor | Blackhawk Supply

CDTV-2N4A4 | Wall Voc & CO2 transmitter | universal analog outputs | 2000 ppm CO2 | 10K Ohm Type III temperature sensor | Dwyer

Brand: Dwyer

SKU: CDTV-2N4A4

Dwyer CDT-2D4F Carbon Dioxide Transmitter | duct mount | 2000 ppm | CO2 transmitter with current/voltage CO2 outputs and 20K Ohm thermistor temperature output | Blackhawk Supply

CDT-2D4F | Carbon Dioxide Transmitter | duct mount | 2000 ppm | CO2 transmitter with current / voltage CO2 outputs and 20K Ohm thermistor temperature output | Dwyer

Brand: Dwyer

SKU: CDT-2D4F

Dwyer CDTA-2N000-LCD Series CDTA Carbon Dioxide/Temperature/Humidity TransmitterCO2/Temperature/Humidity, Modbus & BACNet, 2000 ppm LCD | Blackhawk Supply

CDTA-2N000-LCD | Series CDTA Carbon Dioxide / Temperature / Humidity TransmitterCO2 / Temperature / Humidity, Modbus & BACNet, 2000 ppm LCD | Dwyer

Brand: Dwyer

SKU: CDTA-2N000-LCD

Dwyer CDTR-2N4A4 Carbon Dioxide/Temperature/Humidity | Wall Mount | universal current/voltage output | 10 kΩ Type III Thermistor Temperature Output | North American Housing. | Blackhawk Supply

CDTR-2N4A4 | Carbon Dioxide / Temperature / Humidity | Wall Mount | universal current / voltage output | 10 kΩ Type III Thermistor Temperature Output | North American Housing. | Dwyer

Brand: Dwyer

SKU: CDTR-2N4A4

Dwyer CDTR-2D4A4 Carbon Dioxide/RH/Temperature Transmitter | 2000 ppm CO2 range | duct mount | 4 to 20 mA/0 to (5 or 10) VDC CO2 output | RH outputs & 10 kΩ Type 3 thermistor temperature output. | Blackhawk Supply

CDTR-2D4A4 | Carbon Dioxide / RH / Temperature Transmitter | 2000 ppm CO2 range | duct mount | 4 to 20 mA / 0 to (5 or 10) VDC CO2 output | RH outputs & 10 kΩ Type 3 thermistor temperature output. | Dwyer

Brand: Dwyer

SKU: CDTR-2D4A4

Dwyer CDTV-2N4B4-LCD Wall Voc & CO2 transmitter | universal analog outputs | 2000 ppm CO2 | 10K Ohm Type II temperature sensor with LCD display | Blackhawk Supply

CDTV-2N4B4-LCD | Wall Voc & CO2 transmitter | universal analog outputs | 2000 ppm CO2 | 10K Ohm Type II temperature sensor with LCD display | Dwyer

Brand: Dwyer

SKU: CDTV-2N4B4-LCD

Dwyer CDT-2N4D Carbon Dioxide/Temperature | Wall Mount | universal current/voltage output | Pt100 RTD Temperature Output | North American Housing. | Blackhawk Supply

CDT-2N4D | Carbon Dioxide / Temperature | Wall Mount | universal current / voltage output | Pt100 RTD Temperature Output | North American Housing. | Dwyer

Brand: Dwyer

SKU: CDT-2N4D

Dwyer CDT-2N44-LCD Carbon Dioxide/Temperature | Wall Mount | universal current/voltage output | North American Housing | LCD Display. | Blackhawk Supply

CDT-2N44-LCD | Carbon Dioxide / Temperature | Wall Mount | universal current / voltage output | North American Housing | LCD Display. | Dwyer

Brand: Dwyer

SKU: CDT-2N44-LCD

Dwyer CDTR-2N4B4 Carbon Dioxide/Temperature/Humidity | Wall Mount | universal current/voltage output | 10 kΩ Type II Thermistor Temperature Output | North American Housing. | Blackhawk Supply

CDTR-2N4B4 | Carbon Dioxide / Temperature / Humidity | Wall Mount | universal current / voltage output | 10 kΩ Type II Thermistor Temperature Output | North American Housing. | Dwyer

Brand: Dwyer

SKU: CDTR-2N4B4

Dwyer CDWP-05W-C1 Industrial CO2 Transmitter | 0-5000 PPM range | wall mount | with 1-6mm cable gland | Blackhawk Supply

CDWP-05W-C1 | Industrial CO2 Transmitter | 0-5000 PPM range | wall mount | with 1-6mm cable gland | Dwyer

Brand: Dwyer

SKU: CDWP-05W-C1

Dwyer CDT-2N4A Carbon Dioxide/Temperature | Wall Mount | universal current/voltage output | 10K Type III Thermistor Temperature Output | North American Housing. | Blackhawk Supply

CDT-2N4A | Carbon Dioxide / Temperature | Wall Mount | universal current / voltage output | 10K Type III Thermistor Temperature Output | North American Housing. | Dwyer

Brand: Dwyer

SKU: CDT-2N4A

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Veris PX3ULX05 Pressure,Dry,Univ,LCD | Blackhawk Supply

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Schneider Electric MG350V-24F SmartX, Globe Valve Actuator, floating, non-spring return, 24 Vac/Vdc, 78 lbf, LED status indicator, NEMA 2 | Blackhawk Supply

MG350V-24F | SmartX, Globe Valve Actuator, floating, non-spring return, 24 Vac/Vdc, 78 lbf, LED status indicator, NEMA 2 | Schneider Electric

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