The BestAir HG050 Indoor Humidity Monitor is a device that monitors a home's indoor humidity. Also known as a hygrometer, this indoor humidity monitor shows a home's ideal comfort level--40% to 50% relative humidity.
The BestAir indoor humidity monitor:
By using this hygrometer, you can know when your humidifier should turned up or turned down. This BestAir hygrometer helps you avoid your home being too dry or too humid.