The Intercomp tyre humidity and temperature meter has been developed to ensure the interior air temperature and humidity of tyres can be measured effectively. The information provided is used to adjust tyres to the optimum pressure.The humidity and temperature meter can measure in ° Fahrenheit or ° Celsius and includes a valve stem adjuster to assist optimum purchase on the valve.Accurately measure tyre internal air temperature and relative humidityQuick and easy to useProvides vital information for managing tyre pressuresPowered by a 9v battery.