"Pinless moisture meterThis pinless moisture meter uses an electromagnetic field (EMF) to detect the moisture content of building materials without damaging the materialThe drywall tool detects moisture up to 19 mm (3/4 inch) deepClear, vivid reverse-contrast displayNine LED bars indicate the moisture rangeMode button makes it easy to select the material: drywall, masonry, hardwood and softwoodHold, low battery and auto power-off functionsBuilt to withstand drops of up to two metres.
Technical data:Sensor size: 3.5 x 5 cm (1.25 inch x 2 inch)Display resolution: 0.1%Moisture measurement range: 0 to 100%Sensing depth: 1.9 cm (0.75 inches)Measurable materials: Drywall, masonry, hardwood, softwood"