OHTM. Ortega Hygro Thermometer.
With the handy Mini Hygro-Thermometer, you can keep an eye on temperature and humidity and ensure optimal temperature and humidity for the instrument. The Hygro-Thermometer can be set up, mounted on the wall and has a handy magnet on the back.
OTHM is equipped with an advanced, precise and sensitive sensor; which displays temperature and humidity.
The LCD display also shows DRY/OK/WET, OK if the humidity is between 45% - 55%.
