Temperature and humidity indicator WTW is a modern device with a wide range of applications. It is used wherever it is required for the measurement and presentation of temperature and humidity. During operation, the indicator on the display alternately shows the current value of the measured temperature and relative humidity. Indicator works with digital temperature and humidity sensor UPWT offered by TELDREAM. System measures the temperature range -40 ° C - +120 ° C, and the humidity in the range 0 - 100% (non-condensing).