Know when the air is too dry or too damp for your guitar – before it causes damage. The Ortega OHTM Hygro-Thermometer has a high-precision sensor and an LCD that shows temperature and relative humidity, with a simple DRY / OK / WET indicator. Keep it near your instruments, in the case room or at the shop wall.
Why customers choose it
Who it is for
Guitar, ukulele, violin and piano owners, music schools, studios, churches and shops – anyone who keeps wooden instruments in rooms with AC, heaters, monsoon damp or dry winter air.
Specifications
| Display | LCD – temperature and relative humidity |
|---|---|
| Indicator | DRY / OK / WET |
| OK range | 45% – 55% RH |
| Temperature units | Celsius or Fahrenheit |
| Sensor | High-precision sensor |
| Mounting | Folding table stand, wall mount, magnet on back |
| Colour | Black |
| Type | Hygro-Thermometer |
| Measures | Temperature, Relative Humidity |
Good to know
- The face is printed with the 45-55% relative humidity range, so everyone in the room knows the target.
- The °C / °F button is on the back of the unit.
FAQ
What humidity is safe for a wooden guitar?
Ortega marks 45% to 55% relative humidity as OK on this monitor.
Can I stick it inside a cabinet?
Yes – it has a magnet on the back, a wall-mount hole and a folding stand.
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