Elma DT128M provides a very fast way to non destructive measurement of moist in building materials and moist distribution in e.g. walls, ceilings and floors. The instrument injects a high frequency signal in the material and measures in a depht of 20-40mm in the material. Just hold the ball-tip against the surface and the moisture level is immediately shown in the large, backlit display. Elma DT128M is equipped with 2 adjustable alarm limits, auto zero adjustment, min/max, auto power off and display hold. The instrument is provided ready to use, incl batteries and manual.
Note: The material to be measured must be at least 20-40mm thickness to provide a valid reading.