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Our duct air quality sensors are designed to measure the air quality in air ducts of heating, ventilation and air conditioning systems.

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The measured content includes VOC, CO and CO2 and can also include humidity and temperature.

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We also have a range of fine dust PM2.5 and PM10 sensors.

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The sensor outputs are 0...10V or 4...20mA.

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Please refer to the relevant data sheets for detailed specifications.

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Duct Air Quality Sensors

Air Quality (VOC) Duct Sensors - GDI 1
Duct Air Quality Sensor
GDI1.A..
Duct Air Quality (VOC) Sensor
Power Supply AC/DC 24V
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Output: 0...10V
Measuring Range:
0...100% VOC
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Immersion length 100mm &150mm
Air Quality (CO2) Duct Sensors - GDI 1
Duct Air Quality Sensor
GDI1.AE
Duct Air Quality (C02) Sensor
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Power Supply AC/DC 24V
Output: 0...10V
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Measuring Range:
0...2,000PPM (CO2)
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Immersion length 150mm
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Air Quality (CO) Duct Sensors - GDI 1
Air Quality CO Sensor
GDI1.M...
Duct Air Quality (C0) Carbon Monoxide Sensor
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Power Supply AC/DC 24V
 
Output:
0...10V or 4...20mA
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Measuring Range:
0...100PPM or
0...400PPM
Immersion length 140mm
Air Quality (CO2) & Temperature Duct Sensors - CDI 5
Duct Air Quality Sensor
CDI5.CA
Duct Air Quality (C02) & Temperature Sensor
Power Supply AC/DC 24V
Output:
CO2 - 0...10V
Temperature 0...10V
Measuring Range:
0...2,000PPM (CO2)
0...50C Temperature
Immersion length 180mm
Air Quality (CO2) Humidity & Temperature Duct Sensors - CDI 5
Duct Air Quality Sensor
CDI5.FB
Duct Air Quality (C02) Humidity & Temperature Sensor
Power Supply AC/DC 24V
Output:
CO2 - 0...10V Humidity 0...10V
Temperature 0...10V
Measuring Range:
0...2,000PPM (CO2)
0...100% rel Humidity
0...50C Temperature
Immersion length 180mm
Air Quality (PM2.5) Fine Dust Duct  Sensors - GDI 1
Air Quality PM2.5 Fine Dust Sensor
GDI1.RB
Duct Air Quality (PM 2.5) Fine Dust Sensor
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Power Supply AC/DC 24V
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Output:
0...10V or 4...20mA
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Measuring Range:
0...500ug/m3
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Immersion length 125mm
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