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Air Flow, Quality & Gas Sensors

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A range of Air Quality Transducers / Transmitters, Carbon Monoxide (CO) Sensors and Carbon Dioxide (CO2) Sensors for monitoring internal Air Quality and levels of Gases. The available sensors include Room and Duct type mounts, with some multi-purpose sensors that can also monitor Temperature and even Humidity. 

Air Flow Sensors are also available.

Air Flow, Quality & Gas Sensors

31 Products

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AVDT Airflow & Temperature Transmitter - Duct

AVDT Airflow & Temperature Transmitter - Duct

Air Flow & Duct Temperature transmitter with Analog Outputs, 3 ranges.

Price:£157.00
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AVDTMR Airflow & Temperature Transmitter - Duct, LCD, Rly

AVDTMR Airflow & Temperature Transmitter - Duct, LCD, Rl...

Air Flow & Duct Temperature transmitter with Analog Outputs, 3 ranges. LCD Display, Relay Output.

Price:£188.00
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CD2RMCV  Carbon Dioxide Sensor, Room, Analog Op, LCD

CD2RMCV Carbon Dioxide Sensor, Room, Analog Op, LCD

Room Carbon Dioxide (CO2) Transmitter with Analog Output and LCD Display

Price:£190.00
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CEDTF Carbon Dioxide Sensor, Duct Mounting, Analog Op

CEDTF Carbon Dioxide Sensor, Duct Mounting, Analog Op

Duct Mounting CO2 Sensor, 0-2000ppm, Analog Output, Cable Gland

Price:£145.00
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CERMC  Carbon Dioxide (CO2) NDIR Room Sensor, Analog Op

CERMC Carbon Dioxide (CO2) NDIR Room Sensor, Analog Op

Carbon Dioxide (CO2) Room sensor, 0-2000ppm, Analog outputs

Price:£122.00
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CDD4B3  Carbon Dioxide Sensor, Dual Beam, Outside, Analog Op, heated

CDD4B3 Carbon Dioxide Sensor, Dual Beam, Outside, Analog Op...

Outside Carbon Dioxide CO2 Transmitter with Analog Outputs. 0-20000ppm Dual Beam sensor. Heated enclosure

Price:£567.00
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CDD4B4  Carbon Dioxide Sensor, Dual Beam, Outside, Analog Op, unheated

CDD4B4 Carbon Dioxide Sensor, Dual Beam, Outside, Analog Op...

Outside Carbon Dioxide CO2 Transmitter with Analog Outputs. 0-20000ppm Dual Beam sensor. Unheated enclosure

Price:£462.00
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GS-CD-T51 Carbon Dioxide (CO2) Sensor

GS-CD-T51 Carbon Dioxide (CO2) Sensor

CO2 Sensor / Transmitter with scaled DC Voltage or 4-20mA output and a range of 0-2000ppm.  

Price:£124.00
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GS-CD-T51-EL Carbon Dioxide (CO2) Sensor

GS-CD-T51-EL Carbon Dioxide (CO2) Sensor

CO2 Sensor / Transmitter with scaled DC Voltage or 4-20mA output and a range of 0-2000ppm. Also has Temperature (analogue output) and LED CO2 Level indicators.

GS-CM-V Carbon Monoxide Sensor  - Voltage Output

GS-CM-V Carbon Monoxide Sensor - Voltage Output

Carbon Monoxide Sensor (0-300ppm) with scaled DC Voltage output.

Price:£70.00
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GS-CM-VL Carbon Monoxide Sensor  - Voltage+ LCD

GS-CM-VL Carbon Monoxide Sensor - Voltage+ LCD

Carbon Monoxide Sensor (0-300ppm) with scaled DC Voltage output. LCD Display

Price:£77.00
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GS-CM-VR Carbon Monoxide Sensor  - Voltage+ Relay Output

GS-CM-VR Carbon Monoxide Sensor - Voltage+ Relay Output

Carbon Monoxide Sensor (0-300ppm) with scaled DC Voltage output plus Relay output, which can be switched at set trip points.

Price:£80.00
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GS-CM-VR2L Carbon Monoxide Sensor  - Voltage+ 2RlyOp+LCD

GS-CM-VR2L Carbon Monoxide Sensor - Voltage+ 2RlyOp+LCD

Carbon Monoxide Sensor (0-300ppm) with scaled DC Voltage output plus 2x Relay output, which can be switched at set trip points. LCD Display

Price:£99.00
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GS-CMD4-W  Carbon Monoxide Sensor (wall mounted)

GS-CMD4-W Carbon Monoxide Sensor (wall mounted)

CO Sensor / Transmitter with 0-5V, 0-10Vdc or 4-20mA scaled output and a multiple ranges of 0-100, 150, 300, 400 or 500 ppm. LCD Display. Options include  Relay outputs, Modbus or BACNet interface. Wall-mounted.

Price:£203.00
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GS-CMD5B5  Carbon Monoxide Sensor (duct mounted)

GS-CMD5B5 Carbon Monoxide Sensor (duct mounted)

CO Sensor / Transmitter with 0-5Vdc, 0-10Vdc or 4-20mA scaled output and a range of 0-300ppm. LCD Display. 1 Relay output. Modbus/BACNet Output are options. Duct-mounted.

Price:£232.00
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AIR4100 Room Air Quality VOC Sensor

AIR4100 Room Air Quality VOC Sensor

Sensitive to a broad range of VOC's, the AIR4100 Air Quality sensor is ideal for optimising the level of fresh air introduced into buildings for ventillation purposes. 0-10V or 0-5V output.

Price:£184.00
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AIR4200 Duct Air Quality VOC Sensor

AIR4200 Duct Air Quality VOC Sensor

Sensitive to a broad range of VOC's, the AIR4200 Air Quality sensor is ideal for optimising the level of fresh air introduced into buildings for ventillation purposes. 0-10V or 0-5V output.

Price:£209.00
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AQDTF Duct Air Quality VOC Sensor

AQDTF Duct Air Quality VOC Sensor

Duct Air Quality Transmitter, Polycarbonate enclosure with hinged and gasketed cover,  LCD Display, Relay Output, 0-5/10Vdc linear or stepped output. Cable Gland.

Price:£213.00
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GS-CD-T51S  Carbon Dioxide (CO2) Switch

GS-CD-T51S Carbon Dioxide (CO2) Switch

Carbon Dioxide (CO2) switch with Multi-coloured LED Array CO2 Concentration indicator and 230V 8A rated relay/VFC output

Price:£105.00
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PMRMCV Room Particulate Matter Transmitter, LCD, Analog

PMRMCV Room Particulate Matter Transmitter, LCD, Analog

Room Particulate Matter Transmitter , Viewable LCD, LED, Analog (options: Modbus RTU, BACNet MS/TP communication, Relay Output)

Price:£249.00
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CL-211  PM2.5, CO, Temp, RH, Dew point Data Logger (RS485)

CL-211 PM2.5, CO, Temp, RH, Dew point Data Logger (RS485)

PM2.5, CO, Temperature and Relative Humidity Data Logger. RS485 communications. Standalone or use as part of a monitoring solution. Modbus RTU Protocol supported.

Price:£268.00
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CL-211-E  PM2.5, CO, Temp, RH, Dew point Data Logger (Enet)

CL-211-E PM2.5, CO, Temp, RH, Dew point Data Logger (Enet)

PM2.5, CO, Temperature and Relative Humidity Data Logger. RS485 communications. Standalone or use as part of a monitoring solution. Modbus RTU/TCP & MQTT Protocols supported.

Price:£283.00
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CL-212  PM2.5, CO2, Temp, RH, Dew point Data Logger (RS485)

CL-212 PM2.5, CO2, Temp, RH, Dew point Data Logger (RS485)

PM2.5, CO2, Temperature and Relative Humidity Data Logger. RS485 communications. Standalone or use as part of a monitoring solution. Modbus RTU Protocol supported.

Price:£378.00
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CL-212-E  PM2.5, CO2, Temp, RH, Dew point Data Logger (Enet)

CL-212-E PM2.5, CO2, Temp, RH, Dew point Data Logger (Enet)...

PM2.5, CO2, Temperature and Relative Humidity Data Logger. RS485 communications. Standalone or use as part of a monitoring solution. Modbus RTU/TCP & MQTT Protocols supported.

Price:£393.00
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CL-213  PM2.5, CO, CO2, Temp, RH, Dew point Data Logger (RS485)

CL-213 PM2.5, CO, CO2, Temp, RH, Dew point Data Logger (RS4...

PM2.5, CO + CO2, Temperature and Relative Humidity Data Logger. RS485 communications. Standalone or use as part of a monitoring solution. Modbus RTU Protocol supported.

Price:£425.00
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CL-213-E  PM2.5, CO, CO2, Temp, RH, Dew point Data Logger (Enet)

CL-213-E PM2.5, CO, CO2, Temp, RH, Dew point Data Logger (E...

PM2.5, CO + CO2, Temperature and Relative Humidity Data Logger. RS485 communications. Standalone or use as part of a monitoring solution. Modbus RTU/TCP & MQTT Protocols supported.

Price:£440.00
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DL-301  CO, Temp, RH, Dew point Data Logger

DL-301 CO, Temp, RH, Dew point Data Logger

CO, Temperature and Relative Humidity Data Logger. Touch Screen display. PoE/Ethernet/RS485 communications. Standalone or use as part of a monitoring solution. Modbus Protocol supported.

Price:£214.00
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DL-302  CO2, Temp, RH, Dew point Data Logger

DL-302 CO2, Temp, RH, Dew point Data Logger

CO2, Temperature and Relative Humidity Data Logger. Touch Screen display. PoE/Ethernet/RS485 communications. Standalone or use as part of a monitoring solution. Modbus Protocol supported.

Price:£315.00
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DL-302-IP65  CO2, Temp, RH, Dew point Data Logger (IP65)

DL-302-IP65 CO2, Temp, RH, Dew point Data Logger (IP65)

CO2, Temperature and Relative Humidity Data Logger. Touch Screen display. PoE/Ethernet/RS485 communications. Standalone or use as part of a monitoring solution. Modbus Protocol supported. IP65 casing.

Price:£440.00
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DL-303  CO, CO2, Temp, RH, Dew point Data Logger

DL-303 CO, CO2, Temp, RH, Dew point Data Logger

CO, CO2, Temperature and Relative Humidity Data Logger. Touch Screen display. PoE/Ethernet/RS485 communications. Standalone or use as part of a monitoring solution. Modbus Protocol supported.

Price:£385.00
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NDD5B  Nitrogen Dioxide Detector and Transmitter

NDD5B Nitrogen Dioxide Detector and Transmitter

Nitrogen dioxide detector uses a superior electrochemical sensor for reliability and accuracy in the most critical applications. The NDD provides a 3-wire sourcing 4-20 mA output as well as an alarm relay with three jumper selectable trip level settings.

Price:£470.00
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