We are offering gas analytical equipment. (sf6-hygrometer) : touch screen interface high dew point accuracy (± .1 °c)quick results (t90 < 10 minutes)automatic function for final value determination, self-test, and compensation of values (from contamination)usb connection for easy transfer of datadew point accuracy of ± 0.1°c (-65/20°c) application : high precision sf6 moisture testing.