General Plastic LED Digital Moisture Detector

Article #01215202 Model #MMD4E
General Plastic LED Digital Moisture Detector
 

Description

The General® detector locates and verifies humidity and detects problematic humidity levels. Check moisture in hard and softwood, concrete, gypsum and carpets. It features LED digital indicators from 8% to 22% and is backed by a 1-year limited warranty.

  • Measures water content of wood and building materials with 3% accuracy and 0.1% resolution
  • Helpful in new home inspections and home restoration, locating roof leaks or in selecting dry lumber at the yard
  • Helps ensure appropriate levels of surface dryness before painting, sealing, or treating wood or drywall
  • Overall measurement range of 5 to 50% for wood and 1.5 to 33% for building materials
  • Separate low, medium, and high scales, icons and tones for wood and building materials
  • Built-in low battery indicator for energy conservation
  • Powered by 9-volt battery (included)

Technical specifications

Works with iOS :No Works with Android :No Wi-Fi Compatibility :No Weight(lbs.) :5 Weight(kg) :2.268 Warranty :1-year Type :Moisture meter AC Voltage :N/A Amperage :25000000 App Compatibility :No Application :Detects hidden leaks in wood, plaster and carpet, provides accurate moisture level readings and is great for new home inspections, locating roof leaks or even selecting dry lumber at the yard Battery Included :Yes Bluetooth Compatibility :No Case Included :No Color/Finish Family :Gray DC Polarity Indicator :No DC Voltage :9 Display Type :Digital Non-Contact :No Series Name :N/A Set/Individual :Individual Sub Type :N/A Sub-Brand :N/A

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what model is it

Asked by: tommy021
MmD4E
Answered by: Scooter 250
Date published: 2019-02-02

What range of moisture can be meadured?

Asked by: Plumber Al
5 to 50% for wood,1.5 to 33% for building material wood moisture scales 5 to 11.9% low, 12 to 5.9% med 16 to 50% high building material scales 1.5 to 16.9% low,17 to 19.9% med,20 to 33% high
Answered by: Diane Hewitt
Date published: 2019-04-03

How do I check the moister level on concrete?

Asked by: Meir

Is 15% a lot for particle board?

Asked by: Scooter 250
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General Plastic LED Digital Moisture Detector is rated 4.3 out of 5 by 127.
Rated 5 out of 5 by from Seems to work good and easy to use Because of problems with moisture in firewood, I purchased this meter to test the wood I receive. Just used it once, but so far does appear to be accurate with the reading because I do know the wood is seasoned and the moisture content should be low. Further testing as I receive wood will tell the true story. Since I just used this meter today for the first time, I can't say it is high quality and durable, only time and continued use will tell. I can say that I did check around for a meter, for the price this one was the best buy and the other two I looked at appeared to be the same design but for more money. It is easy to use.
Date published: 2014-10-10
Rated 5 out of 5 by from Effective Moisture Meter While costing one tenth of a device a contractor might use, this moisture reader does the job for consumers. I used it on bare plywood flooring from within the crawl space and inside the home. Used it on the walls and right through the carpet and padding as needed. Later used it on foundation cinderblock. If highly precise readings are necessary, the contractor's $3000 unit might be the right tool. But if you simply want to know if your floors are within moisture tolerance levels prior to installing flooring over a crawlspace, this one works just fine. Btw, I learned from this that the crawl in my recently purchased home was not sealed and the moisture levels of the base flooring were clearly out of tolerance.
Date published: 2013-09-18
Rated 5 out of 5 by from Works well Painting contractor and i own a few different moisture meters. I like this one because it had a nice led display and will alert you if the percentage is high. Came with an extra set of contacts in case you damage the originals. Only issue is there's no storage for the extra contacts on the unit so most people will probably lose them anyway. I taped mine to the inside of the protective cap. Unit seemed to measure accurately. No complaints but for painters it would be nice if you could set the percentage that it considers acceptable. Coatings have various levels of acceptability in regards to moisture content.
Date published: 2021-05-03
Rated 5 out of 5 by from Post-Hurricane Buy We had roof damage and rainwater pour in from Hurricane Matthew. Walls looked okay, but the moisture meter told a different story. Walls were saturated. Used this to locate the walls and insulation that needed to be replaced. Meter also found that we had gotten water down our chimney. Meter worked easily out of the box and it came with easy to understand directions and charts for indicated moisture levels.
Date published: 2016-12-01
Rated 5 out of 5 by from Seemed quite accurate I purchased this device to measure the moisture content of my deck boards prior to resealing. It made sense that readings close to the side of the house would be higher than further out where the sun hits the boards. I would have been suspicious if there was no variation It was easy to use though there were no instructions in the box.It has 3 lights to indicate low readings, normal and high moisture as well as showing the moisture percentage It comes with a second set of prongs. I think it was giving accurate readings as the ReadySeal stain/sealer soaked in as it should.
Date published: 2022-06-06
Rated 5 out of 5 by from Had others, this one beats all. I have been an insurance adjuster for 40 years. I have had the pleasure to go from manual inspections to fully digital. This meter is accurate and has let me do my work much easier. The display is bright enough that can be photographed to preserve the evidence. I have had it shortly and have been able to challenge opposing opinions with ease.
Date published: 2011-12-07
Rated 5 out of 5 by from Fantastic tool. This meter worked very well during my recent investigation for a musty/moldy odor. I tracked down the area inside the wall that was wet using the meter so I didn't have to remove the entire wall. It was a real time and money saver.
Date published: 2014-12-05
Rated 5 out of 5 by from Good Product The General Tools & Instruments Digital Moisture Meter is an essential tool for any DIY enthusiast or professional in the construction field. Compact and user-friendly, this device offers accurate and quick moisture readings, crucial for identifying potential issues in various materials. Its digital display is clear and easy to read, providing precise measurements. The meter's durable design ensures longevity, even in rough conditions. Although it lacks advanced features found in more expensive models, it excels in its simplicity and reliability, making it a great value for its price. Highly recommended for routine moisture detection tasks.
Date published: 2024-01-19
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