The Protimeter BLD5055 Heavy Duty Hammer Electrode is designed for taking measurements in wood and wood structures such as wooden floors and timber stock.
The Hammer Electrode has pin-electrodes with insulated shanks so measurements are taken at the tip only allowing measurements at different depths.
Measures moisture to a depth of 1.38" (35 mm)
Four Hammer Electrode Threaded Needles Included (2 Pair)