Product Description The mini-Ligno S/D is a digital moisture meter with a wide measuring range. Low enough for woodworking, cabinets and flooring. High enough for anyone drying their own lumber, wood turning, pallets and checking firewood. Also includes calibration for measuring sheetrock and a reference scale for all other building material. Used in new construction, water damage repair and maintenance. From the Manufacturer The mini-Ligno S/D gives instant, accurate moisture readings between 6-45%, indicated by a bright digital read out. Designed for inspectors, architects, contractors, painters and homeowners. This meter is a useful tool to measure moisture content in wood and soft building materials such as drywall, plaster and gypsum. Features include a green cap that serves as a handle for easy probe insertion and covers the pins during transportation. Longer pins stored inside the meter for measuring thicker material. To obtain readings the pins are pushed into the wood and the unique on-off switch between the pins turns the meter on.