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KAQ90 Series CO₂ & Temperature & RH Transmitter with ±0.5 °C Accuracy and 0–95% RH Range for Indoor Monitoring
KAQ90 Series CO₂ & Temperature & RH Transmitter with ±0.5 °C Accuracy and 0–95% RH Range for Indoor Monitoring
Specifications
Model Number :
KAQ90
Productname :
KAQ90 Series CO₂ & Temperature & RH Transmitter
Packaging Details :
Carton
Responsetime :
30 s
Operatinghumidity :
0–95% RH, non-condensing
Delivery Time :
15 work days
Enclosurematerial :
ABS+PC, Polycarbonate & ABS, UL94V-0
Humidityaccuracy :
3.5% RH @ +10 ... +40 °C
Mountingtype :
Wall mount
Humiditymeasurementrange :
0–95% RH
Certification :
CE EMC EN61326
Temperaturemeasurementrange :
–5 ... +55 °C
Payment Terms :
T/T
Co2Measurementrange :
0 to 5000 ppm
Co2Accuracy :
±50 ppm + 3% of reading @ +10 ... +30 °C
MOQ :
5
Operatingtemperature :
–10 ... +50 °C
Temperatureaccuracy :
±0.5 °C @ +20 ... +30 °C
Brand Name :
Keramcontrols
Powersupply :
16–30 VDC or 24 VAC
Description
KAQ90 Series Temperature, Humidity & CO₂ Transmitter

The KAQ90 series wall-mount temperature, humidity & CO₂ detector is designed for indoor and office environmental monitoring, capable of simultaneously measuring CO₂ concentration, temperature, and relative humidity. It employs single-source infrared measurement technology, offering excellent contamination resistance and long-term stability. The device supports 4-20 mA, 0-10 V, and RS-485 outputs for easy integration with DDC or building monitoring systems.

Product Specifications
Voltage Frequency 50/60 Hz
Range 0-5000 ppm
Output Signal 3-wire 4-20 mA / 0-10 V / RS485
Power Supply 16-30 VDC or 24 VAC
Accuracy ±50 ppm + 3% of reading @ +10 ... +30 °C
Protection Rating IP44
Applications
  • Office building indoor air quality (IAQ) monitoring
  • School classroom CO₂ and temperature/humidity control
  • Hospital waiting areas and ward environmental monitoring
  • Conference rooms / auditoriums air quality monitoring
  • Shopping malls and supermarkets (crowded spaces)
  • Hotel guest room environmental quality management
  • Museums and exhibition halls - temperature, humidity & CO₂ control
  • Rail transit station hall air quality monitoring
  • Kindergartens and childcare centers indoor environmental monitoring
  • Building automation and BEMS system integration
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KAQ90 Series CO₂ & Temperature & RH Transmitter with ±0.5 °C Accuracy and 0–95% RH Range for Indoor Monitoring

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Product Detail
Model Number :
KAQ90
Productname :
KAQ90 Series CO₂ & Temperature & RH Transmitter
Packaging Details :
Carton
Responsetime :
30 s
Operatinghumidity :
0–95% RH, non-condensing
Delivery Time :
15 work days
Contact Supplier
KAQ90 Series CO₂ & Temperature & RH Transmitter with ±0.5 °C Accuracy and 0–95% RH Range for Indoor Monitoring

Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.

Verified Supplier
5 Years
jiangsu, nanjing
Since 1998
Business Type :
Manufacturer
Main Products :
Differential Pressure Transmitter, KDP110 Series Differential Pressure Transmitters, KDP210 Series Differential Pressure Transmitters
Total Annual :
>1000000
Employee Number :
>50
Certification Level :
Verified Supplier
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