Extech MO53 Pinless Moisture Meter

Sensor Type: Pinless
Measurement Depth: <0.75" (20mm)
Wood Moisture Range: 0 to 99.9%
Other Building Materials: 0 to 56.5%
Resolution: 0.1%
Wood Moisture Icon Levels:
-Low: 0.1 to 29.9%;
-Medium: 30.0 to 69.9%;
-High: 70.0 to 99.9%
Building Material Icon Levels:
-Low: 0.1 to 13.9%;
-Medium: 14.0 to 41.9%;
-High: 42.0 to 56.5%

Dimensions/Weight: 6.7x2.6x1.2" (170x65x30mm) / 4.2oz (120g) battery not included

Datasheet