This Max-Min Mercury Free Thermometer records the maximum and minimum temperature achieved during a period in both clear and easy to read ºC and ºF, allowing you to accurately monitor greenhouse conditions and both ends of the temperature scale.

The 21cm tall by 5.5cm wide greenhouse thermometer comes complete with a screw fixing point (screw not supplied) and two markers will clearly show how warm or cold conditions have been. The max-min thermometer will also record the current temperature and a quick press of the central reset button will bring the markers instantly back into position. With a temperature scale of -30°C to 50°C, the greenhouse Max-Min Mercury Free Thermometer is your complete greenhouse temperature data bank!