KAQ90 Series CO₂ & Temperature & RH Transmitter with ±0.5 °C Accuracy and 0–95% RH Range for Indoor Monitoring
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Product 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
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.
Location
Room 402, Block A, Building 12#, LianDong U Valley, No. 1 Qingnian Road, Yuhuatai District, Nanjing City, Jiangsu Province, China, 210039
Contact Person
Martin