EXTECH MO257 - PINLESS MOISTURE METER with .78-1.6 inch depth.

Monitor moisture in wood and other building materials with virtually no surface damage Relative pinless moisture reading for non-invasive measurement from 0.0 to 100.0 with 0.1 resolution. Multifunction backlit triple LCD display. Pinless measurement depth from 0.78" (20mm) to 1.6" (40mm) below the surface. High frequency sensing technology. Automatic Data Hold. Two adjustable alarm levels with audible beeper and visual (flashing "RISK" or "WET") indicators. Automatic calibration (in dry air) when meter is powered on. Low battery indication. Auto Power off