Finding moisture is the first step in early mold prevention, since untreated high moisture is the main cause of harmful mold growth in the home. The General MMD4E pin-type meter reads moisture content on a clear LCD, telling you whether lumber, firewood, or that suspicious wall is actually dry.

Specifications:

• Model: General MMD4E, pin type
• Ranges: 5 to 50% WME for wood; 1.5 to 33% for building materials; accuracy plus or minus 2%, 0.1% resolution
• Scales: wood low 5 to 11.9%, medium 12 to 15.9%, high 16 to 50%; building materials low 1.5 to 16.9%, medium 17 to 19.9%, high 20 to 33%
• Display: backlit LCD, 0.3-in digits; auto-off after 3 minutes
• Size: 6.0 x 2.6 x 0.8 in, 3 oz; 9V battery included; 0.3-in pins (PIN3 replacements available)
• Warranty: 1 year
• Made by: General Tools