AM103
The AM103 shows occupants and facilities teams at a glance whether a room is fresh or stuffy, measuring CO2 from 400 to 5,000 ppm with an NDIR sensor alongside temperature (±0.2°C) and humidity (±2% RH). A 2.13-inch e-ink screen displays live values with a comfort emoticon, and a traffic-light LED flags CO2 thresholds; the AM103L variant drops the screen for lower cost. Two replaceable AA-size lithium cells run around 4.5 years (5 years for the AM103L), it sticks or screws to a wall, and data goes over LoRaWAN with 640 readings stored locally for retransmission. Typical placements are classrooms, meeting rooms, offices and hospital waiting areas.
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