Can I use Aranet4 to measure the air quality outdoors?
Aranet4 is an indoor air quality sensor and therefore it’s designed to function the best when it’s inside.
If you happen to take your Aranet4 outside to measure the air quality or do a calibration of the sensor, please note that the device is neither waterproof, nor it should be placed in direct sunlight. The operating temperature of the sensor is 0°C to 50°C (32°F to 122°F) so it is not recommended to take Aranet4 outside in the wintertime when it’s freezing because it can permanently damage the sensor.
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