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🔍 Detect moisture like a pro — don’t let hidden leaks catch you off guard!
The General Tools MMD4E Digital Moisture Meter is a professional-grade pin-type moisture tester featuring a large backlit LCD with 0.3" digits, audible and visual alerts for moisture levels, and durable 8mm stainless steel pins. It accurately measures moisture in wood (5-50%) and building materials like drywall (1.5-33%), helping you detect water leaks and prevent mold growth. Ready to use out of the box with included batteries and extra pins, it’s a trusted tool for home inspectors, contractors, and DIY enthusiasts aiming to protect their spaces from hidden water damage.
| ASIN | B00275F5O2 |
| Battery Description | Alkaline |
| Battery description | Alkaline |
| Best Sellers Rank | #10,458 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Moisture Meters |
| Brand | General Tools |
| Brand Name | General Tools |
| Color | Gray |
| Colour | Gray |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 14,661 Reviews |
| Global Trade Identification Number | 00681035414477, 00885265551395 |
| Included Components | Moisture meter, batteries, extra pins |
| Item Dimensions W x H | 24.1W x 3.6H centimeters |
| Item Type Name | Moisture Meter |
| Lower temperature rating | 32 Degrees Fahrenheit |
| LowerTemperature Range | 32 Degrees Fahrenheit |
| Manufacturer | General Tools |
| Model | MMD4E |
| Mounting Type | Tabletop |
| Mounting type | Tabletop |
| Operating Humidity | Varied |
| Part Number | MMD4E |
| Product dimensions | 24.1W x 3.6H centimeters |
| Temperature Accuracy | 3 |
| Temperature Reading Accuracy | plus_minus_2_degrees_celsius |
| UPC | 012301860924 716080037835 885312937219 885265551395 885367884865 681035414477 069060294668 031112659039 885898031110 522536779064 971483008299 031113382226 |
| Unit Count | 1 Count |
| Upper Temperature Range | 60 Degrees Celsius |
| Voltage | 9 Volts |
A**E
Very good
Very useful and we found something not new damage in the wall we can’t see it but with this we discover it .
S**I
مقص الاغنام لم يصلني ولم استلم المبلغ المدفوع
شكرا
M**I
Bad product
The item was received in bad condition. It’s clear that the wrapping had been opened before it was sent to me. It appears as though someone used it and then rewrapped it—poorly.
B**M
It’s working great
Only issue is the pins they bend fast when used on wood
A**A
No functioning properly
Not functioning properly
N**R
wonderfull
i used this devise in my house it showed me the cause that was a leak inside the wall
P**T
Good product
It's the best from all th meters available in market
M**A
Simple and easy to use
Easy to use with timber
S**D
Seems quite accurate and well made for the price
I bought this gauge mostly to check if firewood is dry enough to use in our wood heater. It works great for that purpose, but it seems the manufacturer designed it to show if construction materials are dry enough to use without risk of mold occurring. I expect it would work well for that as it is easy to use and easy to read the display. An added bonus in this price range is the calibration contacts in the cap. You can check it before you use it, to make sure it is reading accurately.
A**S
Excelente
Excelente artículo y servicio. Muy fácil de usar.
U**N
Very accurate and helpful for detecting moisture issues
This moisture meter has been extremely helpful and easy to use. I used it to check different areas near the wall and floor, and it provided clear and consistent readings. You can immediately see the moisture level on the screen, which makes it very convenient for quick inspections. The device feels solid and well made. It responds quickly and gives accurate results, which is especially useful for detecting hidden moisture problems before they turn into bigger issues. I like that it has different indicators, so it’s easy to understand whether the moisture level is low, medium, or high. Overall, this is a very practical tool for homeowners. It helped me better understand the condition of my floors and walls, and I’m glad I had it on hand. I would definitely recommend this product to anyone who wants a reliable and easy-to-use moisture detector.
Trustpilot
5 days ago
1 month ago