Korg Humidi-Beat Black portable metronome features an inbuilt thermometer and hygrometer. Korg Humidi-Beat Black allows you to keep a keen eye on your instrument's condition. Humidi-Beat Black warns of excessive moisture, dryness, and extremes in temperature that are major enemies of musical instruments. The first step in keeping your instrument in good condition is to be aware of the temperature and humidity in its storage location.
Humidi-Beat contains a thermometer and hygrometer, allowing you to check these vital statistics at any time. The temperature and humidity are checked at ten-second intervals*, and a warning Lo/Hi indication is displayed if the humidity falls outside the range of 40-60% considered ideal for a musical instrument. Korg Humidi-Beat is extremely compact, so you can leave it in your instrument's case, or attach it to the outside of the case, ensuring that you'll always be aware of your instrument's environment.
* When the metronome is on.