Displays moisture in wood and other building materials plus Air Temperature and Relative Humidity Digital LCD readout with analog bargraph and numerical displays Simultaneous digital readout of moisture content plus ambient temperature or humidity with analog bargraph display of moisture, Max moisture values, and programmable wet/dry indication Use on wood, paper, wall board, sheet rock, cardboard, plaster, concrete, and mortar Memory contains 3 wood groups and 4 building material groups with calibrations for approximately 150 species of wood and 19 building material types Index Mode with programmable high and low values can be used to quickly locate moisture with comparative measurement Replaceable threaded measurement electrode pins Impact proof housing