General Tools MMD7NP Non Penetrating LCD Moisture Meter w/ Tricolor Bar Graph

• Separate settings for drywall, masonry, softwood and hardwood
• 2 in. (50mm) diagonal backlit LCD + 3-color LED bar graph
• Non-invasive, non-marring, technically ideal for detecting moisture under finished surface
• 3/4 in. (20mm) maximum sensing depth
• ±4% accuracy on wood
• Auto calibrating
• Reading HOLD button
• Auto power off function and out-of-range alarm
• Low battery indication
• Powered by one “9V” battery
• Includes: 1 “9V” Battery, User’s Manual and 1 Year Warranty

• Measurement Range: 0 to 53% for hardwood; 0 to 35% for softwood; relative readings for wallboard and masonry
• Measurement Accuracy: ±4% for hardwood and softwood
• Inductive Sensor Depth: 1.5 x 1.5 in. (38 x 38mm)
• Maximum Sensing Depth: 3/4 in. (20mm)
• Alarm Levels: >18% for wood; >70% for drywall and masonry
• LCD Size: 2 in. (50mm) diagonal with three 0.5 in. (13mm) high digits
• Bar Graph Composition: 3 each green, yellow and red LEDs
• Auto Power Off Trigger:2 minutes of inactivity
• Operating Temperature: 32° to 104°F (0° to 40°C) @ 5 to 95% RH
• Storage Temperature: 14° to 122°F (-10° to 50°C)
• Power Source: 1 “9V” battery
• Dimensions: 6.7 x 2.9 x 1.2 in. (170 x 75 x 30mm)
• Weight: 5.4 oz. (152g) without batter

LED Bands:

For Wood

-green = 0 to 30%
-yellow = 31 to 70%
-red = >70%

For Drywall and Masonry

-green = 5 to 13%
-yellow = 15 to 17%
-red = >18%

• General Tools MMD7NP Datasheet.pdf