Take the guesswork out of protecting your instrument with the Oasis® OH-2C Digital Hygrometer. When the relative humidity drops below 40%, a guitar, or any wooden musical instrument, is at risk of cracking or warping. The Oasis® OH-2C Digital Hygrometer accurately measures relative humidity, helping you decide when to protect your instrument with the Oasis® Guitar Humidifier. The OH-2C is identical to the OH-2, except that it allows for humidity calibration. Calibration allows the user to adjust the hygrometer +/- 5 RH points if any changes are needed.
The OH-2C’s effective humidity range is 20%-100%. At or below 20% RH, the OH-2C will give you a reading of “LL.”
In most conditions, the OH-2C will vary less than 3 RH % points. If the reading is not spot on, the hygrometer can be easily adjusted by following the directions on the enclosed instruction sheet packaged in the box. Because relative humidity varies even inside your home, it is recommended that you keep your hygrometer near your instrument.
