The Essick Air 1990SS hygrometer/thermometer displays indoor temperature and humidity which is shown simultaneously on one easy-to-read display. Great for home use or in green houses, wine cellars and climate controlled computer/equipment rooms.
- Large easy to read digital display
- Fahrenheit or Celsius range - selectable at any time
- Daily reset of maximum and minimum records function with internal clock
- Temperature range of +14 degree F to +122 degree F
- Humiditiy range of 10 - 99%
- Uses two AAA batteries (included)