General Tools Non-Invasive Digital Moisture Meter with LCD Display-MMD5NP at The Home Depot
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General Tools

Model # MMD5NP

Internet # 100651804

Non-Invasive Digital Moisture Meter with LCD Display

General Tools Non-Invasive Digital Moisture Meter with LCD Display

This item has been discontinued.
The Home Depot no longer carries this specific product.

$56.97 / each
Item cannot be shipped to the following state(s): AK,GU,HI,PR,VI


In Stock



Model # MMD5NP

Internet # 100651804

Store SO SKU # 781975

Since 1910, General Tools has grown to become the recognized industry leader for specialty hand tools and instruments. The General Tools Non-Invasive Digital Moisture Meter with LCD Display offers accurate moisture level readings on wood and building materials. Use the moisture meter during a home inspection, when you pick up lumber or before painting drywall. This meter has a jumbo LCD display with a low battery indicator.

  • Measures water content of wood, plaster, drywall and carpet
  • Helpful in new home inspections, locating roof leaks or in selecting dry lumber at the yard
  • Helps ensure appropriate levels of surface dryness before painting, sealing or treating
  • Maximum sensing depth of 3/4 in.
  • 99.9 count LCD with 0.4 in. high digits
  • Data hold to freeze display
  • 3% accurate
  • Audible sound alert at peak detection
  • Automatic power off to extend battery life

Info & Guides

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Abrasion-Proof Display Lens  No  Assembled Depth (in.)  1 in 
Assembled Height (in.)  5.1 in  Assembled Width (in.)  2.3 in 
Audible Alert  Yes  Automatic Calibration  Yes 
Automatic Temperature Compensation  Yes  Backlit  Yes 
Batteries Included  No  Battery Charger Included  No 
Battery Power Type  Alkaline  Battery Size  9-volt 
Control Type  Digital  Data Log/Record  No 
Data hold  No  Display Type  LCD 
External Electrode  Not Supported  Extra Pins/Probes Included  No 
Interchangeable Pins/Probes  No  Low Battery Indicator  Yes 
Manufacturer Warranty  1 Yr  Maximum moisture reading (%)  99 
Maximum sense depth (in.)  .75  Measureable materials  wood and Building material 
Microcontroller Circuit  Yes  Minimum moisture reading (%) 
Number of Batteries Required  Product Depth (in.) 
Product Height (in.)  Product Weight (lb.)  .3 lb 
Product Width (in.)  2.3  Reference Scale Included  Yes 
Returnable  90-Day  Test Meter Type  Moisture Meter 


Rated 3.5 out of 5 by 8 reviewers.
Rated 3 out of 5 by not consistent seems to work pretty well but when you measure the same spot right away you may get a different reading so I don't really know how accurate it is. I know more complicated meters are more money but this still cost 100 October 5, 2011
Rated 1 out of 5 by Not recommended I know this isn't a very expensive or sophisticated moisture meter, but I expected it to work at least half the time I use it. Most of the time I turn it on, I get no reading at all. That makes me very suspect when I do get a reading. April 29, 2014
Rated 5 out of 5 by great for firewood this is a perfect way to see if the firewood is dry enough to burn April 11, 2014
Rated 4 out of 5 by Digital Moisture Meter Works well for wood, carpet, drywall, and paper. Does not work on concrete or block. June 26, 2010
Rated 1 out of 5 by Didn't work on kiln dried cherry or walnut Measurements are incredibly difficult to get consistent; measuring the same place twice can vary by 100%! That's what you get for buying something cheap December 5, 2012
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