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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

KAQ60 Series CO₂ Transmitter The KAQ60 series transmitter is used to detect CO₂ levels in various indoor and office environments. It can connect directly to DDC or monitoring systems via 4-20 mA, 0-10 V, or RS-485 output signals. Product Specifications Voltage Frequency 50/60 Hz Range 0-10000 ppm Output Signal 4-20 mA (3-wire) / 0-10 V / RS485 Power Supply 16-30 VAC or VDC Accuracy ±50 ppm + 3% of reading @ +10 ... +30 °C Protection Rating IP44 Applications Building