Pin & Pinless Moisture Meter with Audible Indicator: Wood & Building Materials : 1.5 to 50%. Pinless: 6 to 99.9% - (MS150)Measure moisture content in wood (5 to 50%) and other building materials (1. 5 to 33%). Use pinless measurement (6 to 99. 9%) for non invasive testing. Low, Medium and High icons indicate moisture level and an audible indicator increases as the moisture level gets higher for quickly scanning large areas. Read More > DESCRIPTION Measure moisture content in wood (5 to 50%) and other building materials (1. 5 to 33%). Use pinless measurement (6 to 99. 9%)