Yes, the Maple device has an infrared (NDIR) CO2 gas sensor that`s also used in professional CO2 measuring devices.
No, Maple must be connected to the adaptor via USB cable (included).
Yes, the Maple CO2 Monitor has Micro USD port and can be connected to a computer or power bank to power the device. The supply voltage, in this case, must be between 5.0 and 5.5.
Maple is supplied with US, ES, or UK Standard adaptors based on your location.
This is done outdoors or in a well-ventilated room to ensure accurate readings of the device.
1. Plugin the device. 2. Place the device in the fresh air for 20 minutes. 3. After 20 minutes of operation, press the SET button which is located on the back of the device, and hold it in the fresh air for at least 6 seconds. If necessary you can use a match or other similar object to press the button.
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