ATH9801C Wall-mounted thermometer and hygrometer

The ATH9801C wall mounted hygrothermograph is a field indicating instrument with three functions of simultaneous observation of indoor and outdoor temperature and indoor humidity. It is used to observe and record the temperature and humidity of clean room (workshop), standard measurement room, computer room and building. AT9800 is easy to install, cheap, simple to use, contains a microcomputer chip, can display the temperature and humidity values and time at the same time, and can remember the maximum and minimum values of temperature and humidity changes in a specific time. Switch between degrees Celsius (° C) and Fahrenheit (° F).