Non-invasive (pinless) rapid Radio Frequency (RF) moisture detection to 19mm below surface.
On the back of the instrument there is a large flat area for positive engagement with material being tested. Always place onto area being tested, do not slide. Displays relative moisture content digitally on backlit LCD display and also arc LED ?traffic light? display:
GREEN Dry (70-169) ; YELLOW At Risk (170-199) ; RED Wet (200-999)
Complete with carry pouch with belt loop. 9V battery supplied. 2 year warranty.