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General Tools MMD4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit LCD Display With Audible and Visual High-Medium-Low Moisture Content Alerts, Grays
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General Tools MMD4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit LCD Display With Audible and Visual High-Medium-Low Moisture Content Alerts, Grays

4.5/5
Product ID: 1096279
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Details

  • Color
    Gray
  • Brand
    General Tools
  • Product Dimensions
    9.5"W x 1.4"H
  • Battery Description
    Alkaline
  • Lower Temperature Rating
    32 Degrees
📊Backlit LCD with 0.3" digits
📍8mm stainless steel pins for precise readings
🔔Audible & visual moisture alerts

Description

💧 Stay ahead of leaks and mold—measure smarter, live safer!

  • ALL INCLUSIVE KIT - Includes extra pins, protective calibration cap, and 9V battery—ready to use out of the box.
  • PRECISION PIN TYPE SENSOR - 8mm stainless steel pins penetrate surfaces for accurate moisture readings in wood, drywall, and concrete.
  • INSTANT MOLD RISK DETECTION - Quickly identify moisture levels to prevent harmful mold growth and protect your home.
  • CLEAR VISUAL AUDIBLE ALERTS - High, medium, and low moisture alerts with on-screen icons and sound notifications keep you informed at a glance.
  • USER FRIENDLY BACKLIT DISPLAY - Large 0.3" digits on a backlit LCD ensure easy reading even in dimly lit spaces.

The General Tools MMD4E Digital Moisture Meter is a professional-grade pin-type tester designed to detect moisture levels in wood, drywall, and concrete. Featuring an easy-to-read backlit LCD, audible and visual alerts, and precision stainless steel pins, it empowers homeowners and professionals to identify water damage and mold risk early. Compact and battery-powered with included accessories, it’s the essential tool for proactive home maintenance and mold prevention.

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Specifications

ColorGray
BrandGeneral Tools
Product Dimensions9.5"W x 1.4"H
Battery DescriptionAlkaline
Lower Temperature Rating32 Degrees Fahrenheit
Mounting TypeSurface Mount
Voltage9 Volts
Temperature Accuracy3
ManufacturerGeneral Tools
UPC012301860924 716080037835 885312937219 885265551395 885367884865 681035414477 069060294668 031112659039 885898031110 522536779064 971483008299 031113382226
Global Trade Identification Number00885265551395, 00681035414477
Part NumberMMD4E
Item Weight3.98 ounces
Country of OriginChina
Item model numberMMD4E
Batteries1 Product Specific batteries required. (included)
Is Discontinued By ManufacturerNo
SizePin Type
StyleDigital Pin Type, Visual & Audible Alerts
PatternDigital Moisture Meter
ShapeDrywall
Power SourceBattery Powered
Item Package Quantity1
Measurement SystemMetric
UsageInside; Amateur, Inside; Professional
Included ComponentsMoisture meter, batteries, extra pins
Batteries Included?Yes
Batteries Required?Yes
Battery Cell TypeZinc Carbon
Description PileAlkaline
Warranty Description1 Year

Have a Question? See What Others Asked

accuracy
Can I use this product to rule out a plumbing leak under my concrete bathroom floor. The outer bathroom wall is concrete & paint is bubbling.
I have a wooden floor that is swelling little bit. I know I had a small water leak. Can this tool help me to check if there is moisture underneath?
Will it measure moisture in drywall?

Reviews

4.5

All from verified purchases

C**G

A lifesaver of hidden leaks!

This moisture meter was extremely helpful when I had a cracked kitchen pipe behind the wall. It gave me a good idea of where the moisture was building up, helping me pinpoint the leak without tearing everything apart. The readings are clear, and the backlit screen makes it easy to use. A must-have tool for any homeowner dealing with water damage or trying to prevent mold growth!

A**S

Helpful Tool

It worked well and the pins were durable enough to go through drywall easily. Struggled on wood though. Would recommend. Helped us discover that we have a moisture problem throughout a lot of our house and purchased dehumidifiers.

P**S

decent enough

It's pretty nice but I'm knocking a star off for not having a wood density setting, you really need that if you're measuring anything other than whitewood. For the price there are cheaper options on Amazon that work just as well. If I was just shopping in a store and this was my only option, it would work, but I'd need to calculate the lower values for other kinds of wood, making it less handy.

T**C

Highly recommend.

Works as good as I’d hoped. Saved me some money forst use in buying cooking wood making sure it really was seasoned and ready to burn

B**Y

works great

love this . takes me right to the bad spot easy to use. easy to put together. seems to be accurate.

T**R

Accurate

Handy tool

A**R

Easy to use

Seems to work well. Very pleased.

B**R

The percentage ranges are wrong for dry climates like the desert southwest.

If you live in Las Vegas, Southern Nevada or Arizona, heads up that this product will work but the ranges are wrong. Drywall in the desert southwest is typically 0%, which displays as "--" and you can't tell if it's actually working or not. Anything above 5% is concerning. 15% is still considered "low" by this meter, but that actually indicates serious water problems.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

General Tools Mmd4e Digital Moisture Meter Water Leak Detector Moisture | Desertcart Tunisia