The Concrete Encounter CMEXpert is a digital display version of the Tramex Concrete Encounter CME4 hand-held electronic impedance moisture meter. To carry out moisture tests simply brush any dust from a smooth area of concrete and also from electrodes, switch on the CMEXpert, hold to the surface to read the percentage moisture content. The CMEXpert incorporates 3 modes of operation: digital non-destructive meter, plug-in wood probe, and plug-in humidity probe for RH, temperature, dew-point and mixing ratio readings.