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Duct CO2 Sensors

Our maintenance-free duct sensors for measuring CO2 content and air quality are mainly used in ventilation shafts in offices, hotels, conference rooms, apartments, stores, etc. Get an overview of our product range directly.

Duct humidity, temperature, air quality and CO2 sensor, KFTM-LQ-CO2-W LCD, 1501-8118-7371-500
Temperature Temperature
CO2 CO2
Luftfeuchtigkeit Luftfeuchtigkeit
VOC VOC
AERASGARD® KFTM-LQ-CO2-W LCD
  • 0...2000 ppm / 0...5000 ppm
    0...100 % Air quality - VOC sensitivities (low/medium/high)
  • temperature, relative humidity,
    air quality (VOC), carbon dioxide (CO2)
  • active (0 -10 V / 4...20 mA), Changeover contact
  • IP65
starting at 645,75 €
details
Duct humidity, temperature, air quality and CO2 sensor, KFTM-LQ-CO2-W, 1501-8118-7301-500
Temperature Temperature
CO2 CO2
Luftfeuchtigkeit Luftfeuchtigkeit
VOC VOC
AERASGARD® KFTM-LQ-CO2-W
  • 0...2000 ppm / 0...5000 ppm
    0...100 % Air quality - VOC sensitivities (low/medium/high)
  • temperature, relative humidity,
    air quality (VOC), carbon dioxide (CO2)
  • active (0 -10 V / 4...20 mA), Changeover contact
  • IP65
starting at 573,44 €
details
Duct humidity, temperature and CO2 sensor, KFTM-LQ-CO2-Modbus LCD, 1501-8118-6071-500
CO2 CO2
Temperature Temperature
Luftfeuchtigkeit Luftfeuchtigkeit
VOC VOC
AERASGARD® KFTM-LQ-CO2-Modbus LCD
  • 0...5000 ppm
    0...100 % Air quality - VOC sensitivities (low/medium/high)
  • temperature, relative humidity,
    air quality (VOC), carbon dioxide (CO2),
    atmospheric pressure
  • Modbus RTU
  • IP65
starting at 725,45 €
details
Duct humidity, temperature and CO2 sensor, KFTM-LQ-CO2-Modbus, 1501-8118-6001-500
CO2 CO2
Temperature Temperature
Luftfeuchtigkeit Luftfeuchtigkeit
VOC VOC
AERASGARD® KFTM-LQ-CO2-Modbus
  • 0...5000 ppm
    0...100 % Air quality - VOC sensitivities (low/medium/high)
  • temperature, relative humidity,
    air quality (VOC), carbon dioxide (CO2),
    atmospheric pressure
  • Modbus RTU
  • IP65
starting at 617,26 €
details
Duct humidity, temperature, air quality and CO2 sensor, KFTM-CO2-W with display, 1501-8116-7371-200
Temperature Temperature
CO2 CO2
Luftfeuchtigkeit Luftfeuchtigkeit
VOC VOC
AERASGARD® KFTM-CO2-W LCD
  • 0...2000 ppm / 0...5000 ppm
  • temperature, relative humidity, carbon dioxide (CO2)
  • active (0 -10 V / 4...20 mA), changeover contact
  • IP65
starting at 501,13 €
details
Duct humidity, temperature, air quality and CO2 sensor, KFTM-CO2-W, 1501-8116-7301-200
Temperature Temperature
CO2 CO2
Luftfeuchtigkeit Luftfeuchtigkeit
VOC VOC
AERASGARD® KFTM-CO2-W
  • 0...2000 ppm / 0...5000 ppm
  • temperature, relative humidity, carbon dioxide (CO2)
  • active (0 -10 V / 4...20 mA), changeover contact
  • IP65
starting at 457,17 €
details
Duct humidity, temperature and CO2 sensor, KFTM-CO2 - Modbus with display, 1501-8116-6071-200
CO2 CO2
Temperature Temperature
Luftfeuchtigkeit Luftfeuchtigkeit
VOC VOC
AERASGARD® KFTM-CO2-Modbus LCD
  • 0...5000 ppm
  • Temperature, relative humidity, carbon dioxide (CO2), atmospheric pressure
  • Modbus RTU
  • IP65
starting at 575,76 €
details
Duct humidity, temperature and CO2 sensor, KFTM-CO2 - Modbus, 1501-8116-6001-200
CO2 CO2
Temperature Temperature
Luftfeuchtigkeit Luftfeuchtigkeit
VOC VOC
AERASGARD® KFTM-CO2-Modbus
  • 0...5000 ppm
  • Temperature, relative humidity, carbon dioxide (CO2), atmospheric pressure
  • Modbus RTU
  • IP65
starting at 472,00 €
details
Duct humidity, temperature, air quality and CO2 sensor
Temperature Temperature
CO2 CO2
Luftfeuchtigkeit Luftfeuchtigkeit
VOC VOC
AERASGARD® KTM-CO2-SD-U
  • 0...2000 ppm / 0...5000 ppm
  • temperature, carbon dioxide (CO2)
  • 0 - 10 V
  • IP65
starting at 373,83 €
details
CO2 CO2
VOC VOC
AERASGARD® KLQ-CO2-W LCD
  • 0...100 % Air quality - VOC sensitivities (low/medium/high)
    0...2000 ppm / 0...5000 ppm
  • Air quality (VOC), carbon dioxide (CO2)
  • active (0 -10 V / 4...20 mA), changeover contact
  • IP65
starting at 550,77 €
details
CO2 CO2
VOC VOC
AERASGARD® KLQ-CO2-W
  • 0...100 % Air quality - VOC sensitivities (low/medium/high)
    0...2000 ppm / 0...5000 ppm
  • Air quality (VOC), carbon dioxide (CO2)
  • active (0 -10 V / 4...20 mA), changeover contact
  • IP65
starting at 478,46 €
details
Duct air quality (VOC) and CO2 sensor, 1501-8111-6071-500
VOC VOC
CO2 CO2
AERASGARD® KLQ-CO2-Modbus LCD
  • 0...100 % Air quality - VOC sensitivities (low/medium/high)
    0...5000 ppm
  • Air quality (VOC), carbon dioxide (CO2), atmospheric pressure
  • Modbus RTU
  • IP65
starting at 606,88 €
details
Duct air quality (VOC) and CO2 sensor, 1501-8111-6001-500
VOC VOC
CO2 CO2
AERASGARD® KLQ-CO2-Modbus
  • 0...100 % Air quality - VOC sensitivities (low/medium/high)
    0...5000 ppm
  • Air quality (VOC), carbon dioxide (CO2), atmospheric pressure
  • Modbus RTU
  • IP65
starting at 519,44 €
details
Duct CO2 sensor, KCO2 - Modbus (similar image), 1501-8110-6071-200
CO2 CO2
AERASGARD® KCO2-Modbus LCD
  • 0...5000 ppm
  • Carbon dioxide (CO2), atmospheric pressure
  • switchable metric / imperial
  • Modbus RTU
  • IP65
starting at 533,95 €
details
Duct CO2 sensor, KLQ-CO2 - Modbus, 1501-8110-6001-200
CO2 CO2
AERASGARD® KCO2-Modbus
  • 0...5000 ppm
  • Carbon dioxide (CO2), atmospheric pressure
  • switchable metric / imperial
  • Modbus RTU
  • IP65
starting at 460,14 €
details
Duct CO2 sensor, 1501-3160-1001-200
CO2 CO2
AERASGARD® KCO2-SD-U
  • 0...2000 ppm / 0...5000 ppm
  • Carbon dioxide (CO2)
  • 0 - 10 V
  • IP65
starting at 293,32 €
details
Duct CO2 sensor, KCO2 - TYR1 (with display), 1501-3140-7321-200
CO2 CO2
AERASGARD® KCO2-W LCD
  • 0...2000 ppm / 0...5000 ppm
  • Carbon dioxide (CO2)
  • active (0 -10 V / 4...20 mA), Changeover contact
  • IP65
starting at 417,90 €
details
Duct CO2 sensor, KCO2 - TYR1, 1501-3140-7301-200
CO2 CO2
AERASGARD® KCO2-W
  • 0...2000 ppm / 0...5000 ppm
  • Carbon dioxide (CO2)
  • active (0 -10 V / 4...20 mA), Changeover contact
  • IP65
starting at 356,39 €
details
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