Model # MM1E

Internet #100651810

General Tools Pin-Type Moisture Meter with LED Bar Graph Display
0681035101889

General Tools

Pin-Type Moisture Meter with LED Bar Graph Display

  • Great for identifying leaks in roofs, floors and walls
  • Reads moisture content over 2 separate ranges
  • 10-LED bar graph provides accuracy to within +/- 1%
$22.03 /each

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Product Overview

The General Tools Pin-Type Moisture Meter with LED Bar Graph Display is perfect for detecting the water content in a variety of materials to help ensure the appropriate level of surface dryness before painting, sealing or treating. Ten LED lights in green, yellow and red clearly indicate moisture contents ranging from 7% to 35% to help ensure precise readings every time. Whether you're a professional contractor or a conscientious homeowner, this ultra-sensitive moisture meter helps you easily detect hidden leaks in wood, plaster and carpet. This analog meter provides accurate moisture-level readings and is great for new home inspections, locating roof leaks or even selecting dry lumber at the yard.

California residents: see   Proposition 65 information

  • Use to detect water content in wood, plaster, drywall and carpet materials to help ensure appropriate levels of surface dryness before painting, sealing or treating
  • Use in the restoration business to check if there is moisture in carpets and subflooring
  • Locates and helps identify water leaks in roofs, floors and walls
  • Reads moisture content over two separate ranges (7% to 15% and 16% to 35%) for a variety of applications
  • Protective cap doubles as calibration checker
  • Equipped with replaceable 3/8 in. long stainless steel pins
  • Full and low battery indications
  • Requires 9-Volt battery (sold separately)

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Customer Questions & Answers

9 Questions9 Answers

Customer Questions & Answers

Pin-Type Moisture Meter with LED Bar Graph Display
Pin-Type Moisture Meter with LED Bar Graph Display

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3 answers

What is meant by 1% accuracy? Does this mean that 99% of the time it is wrong?

This question is from Pin-Type Moisture Meter with LED Bar Graph Display
Asked by
Denver, CO
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July 17, 2015
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Answers (3)

Asked by
Bay Shore, NY
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Home Improvement Profile: DIYer
April 4, 2016
Answer: 
It means within a 1% accuracy, if it registers 55%, it would actually be 56%.
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Asked by
Anonymous
south Florida
Home Improvement Profile: Professional
September 28, 2015
Answer: 
It's poorly worded. What they mean it has a error margin of +/- 1%
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Asked by
ft worth
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Home Improvement Profile: Other
July 19, 2015
Answer: 
1% mean, if your meter said 50% moisture. Your meter is within 1% ~~ 49% to 51 moisture very accurate, 1% on each side of 50% … get it ?
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2 answers

Does this detect mold?

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October 2, 2016
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Asked by
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October 26, 2016
Answer: 
No, just measures the current between the two prongs. If humid, more current.
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Asked by
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October 4, 2016
Answer: 
NO THIS DEDECTS ONLY MOISTURE NOT MOLD
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1 answer

Is this appropriate for testing new hardwood floors and the subfloor prior to installation?

This question is from Pin-Type Moisture Meter with LED Bar Graph Display
Asked by
Raleigh, NC
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September 5, 2016
New hardwood floor boards and your existing subfloor need to have between 6% and 12% moisture and both readings shouldn't vary by more than 4% of each other. This inexpensive meter appears to be just what I need for the job, but can anyone confirm? My flooring guide talks about "species specific" meter readings and changing settings depending on the species of wood. Does this meter have different settings for different materials? The new floor is 3/4 solid Acacia. I'd test these boards from the bottom and sides to conceal the pin holes... how deep does the pin have to go into the wood?
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Answer (1)

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September 6, 2016
Answer: 
insert pins at max depth of 1/4"
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1 answer

Moisture is firewood

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Asked by
Blairsville Ga
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January 9, 2016
Is this meter helpful to use on firewood? To see if it's seasoned long enough?
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Asked by
East Bay, CA
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Home Improvement Profile: Professional
January 29, 2016
Answer: 
Buying a cord of wood only to have it delivered and realize it works better putting out a fire then sustaining one sucks. Most species should be under 20% MC in the center of a log.
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Customer Reviews

Pin-Type Moisture Meter with LED Bar Graph Display is rated 4.5 out of 5 by 34.
Rated 1 out of 5 by from Dont be fooled by the good reviews. This is a 'pin type'. That means there are two sharp prongs t... Dont be fooled by the good reviews. This is a 'pin type'. That means there are two sharp prongs that you have to dig into your sheetrock or wood flooring to get a reading. There is a reason you dont see the prongs in this picture. It would never sell. They re hidden by the cap on top. Forget about buying any 'pin type' humidity detector.
Date published: 2016-10-26
Rated 5 out of 5 by from Moisture meter review Item worked as I expected. I purchased it to measure the moisture in my drywall in the basement from recent flooding. It isn't high end but I got the results I was looking for.
Date published: 2016-08-20
Rated 5 out of 5 by from Great tool Great low cost way to determine whether or not my new PT wood deck was ready to accept paint. Easy to use and a great value
Date published: 2016-10-18
Rated 4 out of 5 by from easy to use, good instructions, not bad at all for the price easy to use, good instructions, not bad at all for the price
Date published: 2016-12-20
Rated 3 out of 5 by from Some questions about calibration Before using, the unit required calibration. It did not perform as indicated on the instructions but no correcting actions were indicated. I am not sure that the readings I took were accurate because the unit failed its calibration test, or I was unable to follow the instructions.
Date published: 2015-05-05
Rated 5 out of 5 by from Moisture meter for $19.99 I've had a continuing roof leak since July 2014 (now Dec 10 2014) that caused ceiling damage. It supposedly had been fixed (6 times) and I was reluctant to get the ceiling fixed and painted. I had DRI Rite come to my house and do thermal imaging and use their water meter to see if it was still wet/moist. it was not which was what my new meter said and the exact same percentage. So I am pleased that for $20 it is very accurate.
Date published: 2014-12-10
Rated 4 out of 5 by from Good product Purchased this for my husband as a Christmas present and he loves it! He purchased a large pile of wood and found it was still very wet. This moisture meter will help him decide if the wood is still too wet or not.
Date published: 2016-01-26
Rated 5 out of 5 by from Very happy I got this tool after the hurricane for use in repair jobs. It works very well and is easy to read and enabled me to see where the areas of minor dampness were to save on demo costs. In the description of the product online this item is the only one that is listed that is self-calibrating. It arrived within two days.
Date published: 2011-11-22
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