Smart Temp CO2 NDIR SensorThe SMT IAQ3 Indoor Air Quality Sensor features a large backlit LCD that displays real time indoor air quality readings for all three sensors. The backlight can be configured to change colors from green to amber to red as conditions deteriorate, if desired. Additionally, an internal beeper can be set to emit an audible alert when air quality reaches the alarm threshold. The outputs of the SMT IAQ3 are fully adjustable, allowing you to customize the
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