KAQ90 Series CO₂ & Temperature & RH Transmitter with ±0.5 °C Accuracy and 0–95% RH Range for Indoor Monitoring
| Powersupply: | 16–30 VDC Or 24 VAC | Productname: | KAQ90 Series CO₂ & Temperature & RH Transmitter |
|---|---|---|---|
| Temperaturemeasurementrange: | –5 ... +55 °C | Operatingtemperature: | –10 ... +50 °C |
| Co2Measurementrange: | 0 To 5000 Ppm | Enclosurematerial: | ABS+PC, Polycarbonate & ABS, UL94V-0 |
| Responsetime: | 30 S | Mountingtype: | Wall Mount |
| Co2Accuracy: | ±50 Ppm + 3% Of Reading @ +10 ... +30 °C | Temperatureaccuracy: | ±0.5 °C @ +20 ... +30 °C |
| Humiditymeasurementrange: | 0–95% RH | Operatinghumidity: | 0–95% RH, Non-condensing |
| Humidityaccuracy: | 3.5% RH @ +10 ... +40 °C |
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.
| 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 |
- 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