A Vital Piece of Equipment for Every Grow Room - a Thermometer / Hygrometer The Digital Thermo Hygrometer has 2 digital display: the top display is for local temperature (in C or F) and the other display is for the time and the local humidity (in RH). An accurate thermometer / hygrometer is an essential tool for monitoring your garden air environment. How the Thermo Hygrometer Works The top display gives a constant readout of the humidity or “dampness” of the local air. The bottom display gives a constant readout of temperature from it’s internal sensor. Temperature can be displayed in either Centigrade (Celsius) or Fahrenheit. The device remembers and can display the maximum and the minimum humidity & temperatures since the battery was inserted or the function was reset. The clock function can set to chime on the hour and can programmed with an alarm time. The unit itself has a clip-out stand and a key-hole recess on the back that so it can be hung from a screw. The unit is powered by one AAA battery (supplied). To see our full Thermometers & Hygrometers range, click here
