Metrix+ MM2 Digital Moisture Meter with dedicated measuring modes of wood, paper, wall and 3 color LCD backlit display.The instrument adopts pin type measurement by measuring the electrical conductivity between the two pins to measure the moisture content of the material to be measured.Wide application for measuring moisture level in many species of wood, bamboo, paper pulp, packing materials, carton paper, cardboard, sheetrock, wallboard, etc.