เครื่องส่ง CO2 & อุณหภูมิ & RH ซีรีส์ KAQ90

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