Moisture Detector MD. For determining the moisture content of wood or building materials such as concrete, bricks, screed, gypsum plasterboard, wallpaper, etc. Measuring range from 5 - 50 % for wood or 1.5 - 33 % for building materials. Display via large LCD display (in percent, resolution 0.1 %) and acoustic (can be switched off). Practical "Hold" function allows measuring even in inaccessible places. Automatic switch-off approx. 3 minutes after last use. Battery low voltage indicator. Robust, handy housing with separate battery compartment for 9 V block (supplied without battery). With protective cap.