air quality sensors

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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-N-LCD Particulate transmitter | PM 10 wall mount | 4-20 mA | 0-10V | LCD display | Modbus® | Blackhawk Supply

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

Johnson Controls NSB8MHC242-0 Temp | RH | CO2 | LCD Display | Black | PIR Occ Sensor | JCI Branded | Blackhawk Supply

NSB8MHC242-0 | Temp | RH | CO2 | LCD Display | Black | PIR Occ Sensor | JCI Branded | Johnson Controls

Brand: Johnson Controls

SKU: NSB8MHC242-0

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 MAFS-300MM Averaging air flow sensor | 300mm probe | Blackhawk Supply

MAFS-300MM | Averaging air flow sensor | 300mm probe | Dwyer

Brand: Dwyer

SKU: MAFS-300MM

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 Carbon Dioxide / Temperature / Humidity Communicating Stat with Set Point and Override | Modbus" and BACnet Output | North American Wall Mount Housing | 2000 PPM Range | LCD Display | Blackhawk Supply

CDTA-2N000-LCD | Carbon Dioxide / Temperature / Humidity Communicating Stat with Set Point and Override | Modbus" and BACnet Output | North American Wall Mount Housing | 2000 PPM Range | LCD Display | 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-2N404 Carbon Dioxide/Humidity | Wall Mount | universal current/voltage output | North American Housing. | Blackhawk Supply

CDTR-2N404 | Carbon Dioxide / Humidity | Wall Mount | universal current / voltage output | North American Housing. | Dwyer

Brand: Dwyer

SKU: CDTR-2N404

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

Dwyer CDT-2D44 Carbon Dioxide Transmitter | duct mount | 2000 ppm CO2 range | 4 to 20 mA / 0 to (5 or 10) VDC CO2 output & temperature output. | Blackhawk Supply

CDT-2D44 | Carbon Dioxide Transmitter | duct mount | 2000 ppm CO2 range | 4 to 20 mA / 0 to (5 or 10) VDC CO2 output & temperature output. | Dwyer

Brand: Dwyer

SKU: CDT-2D44

Dwyer CDWP-10W-C5 Industrial CO2 Transmitter | 0-10 | 000 PPM range | wall mount | with 5-8mm cable gland | Blackhawk Supply

CDWP-10W-C5 | Industrial CO2 Transmitter | 0-10 | 000 PPM range | wall mount | with 5-8mm cable gland | Dwyer

Brand: Dwyer

SKU: CDWP-10W-C5

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

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

Brand: Dwyer

SKU: CDT-2N4A-LCD

Dwyer CDTR-2D4E4 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 & Pt1000 Ω RTD temperature output. | Blackhawk Supply

CDTR-2D4E4 | 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 & Pt1000 Ω RTD temperature output. | Dwyer

Brand: Dwyer

SKU: CDTR-2D4E4

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