In extreme cases, high or low humidity and extreme temperatures are not only poison for acoustic instruments, but also impair their sound. It makes sense to check climate conditions from time to time to ensure your instrument is being stored under acceptable conditions. This is exactly why the Humidi-Beat contains a thermometer and a humidity meter (hygrometer). The temperature and humidity are updated at 10-second intervals*. If the measured humidity value is below or is over 40~60% (the ideal range for musical instruments), a warning signal will sound. Thanks to its compact dimensions, the Humidi-Beat can be stowed away in the instrument case or attach to its outside so that the display from a standing position corresponds to the actual conditions. The tempo can be set in three ways: in.