The Wohler USA HBF 420 (8440) Pin/Pinless Moisture Meter for Wood/Building Materials combines an electrical resistance measuring technique with dielectric measurement into one handheld instrument designed to assess the moisture content of materials. Applications for measurement include building diagnostics, building work, and fuel management.

• Wood Resistance Measurement Range: 0 to 40%
• Dielectrical Measurement Effective Depth: 1.2 in. to 1.6 in.