💧 Don’t let dampness sneak up—measure, detect, and protect with precision!
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 for moisture content, and durable 8mm stainless steel pins, it empowers homeowners and pros alike to prevent mold and water damage efficiently. Compact, battery-powered, and calibrated for accuracy, it’s the essential tool for smart moisture management.
| Color | Gray |
| Brand | General Tools |
| Product Dimensions | 9.5"W x 1.4"H |
| Battery Description | Alkaline |
| Lower Temperature Rating | 32 Degrees Fahrenheit |
| Mounting Type | Surface Mount |
| Voltage | 9 Volts |
| Temperature Accuracy | 3 |
| Manufacturer | General Tools |
| UPC | 012301860924 716080037835 885312937219 885265551395 885367884865 681035414477 069060294668 031112659039 885898031110 522536779064 971483008299 031113382226 |
| Global Trade Identification Number | 00885265551395, 00681035414477 |
| Part Number | MMD4E |
| Item Weight | 3.98 ounces |
| Country of Origin | China |
| Item model number | MMD4E |
| Batteries | 1 Product Specific batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | Pin Type |
| Style | Digital Pin Type, Visual & Audible Alerts |
| Pattern | Digital Moisture Meter |
| Shape | Drywall |
| Power Source | Battery Powered |
| Item Package Quantity | 1 |
| Measurement System | Metric |
| Usage | Inside; Amateur, Inside; Professional |
| Included Components | Moisture meter, batteries, extra pins |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Zinc Carbon |
| Description Pile | Alkaline |
| Warranty Description | 1 Year |
B**Y
works great
love this . takes me right to the bad spot easy to use. easy to put together. seems to be accurate.
M**M
Great handy tool to have.
I had a pipe freeze and leak this winter and needed to figure out what had been soaked. This worked great. I set up my fans for a while and used the meter to monitor when the moisture level had gone down to an acceptable level for me to complete the repairs.Now that I have it on hand, I am finding more uses - checking my firewood and other fun things.
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.
J**A
Easy to use accurate reading
Great way to ensure your firewood is ready for the Woodstove. Easy to read.
A**.
Must have in every household
It’s worth every penny. We ordered this item because we are buying a house and sure enough a day after we ordered it the house flooded. This made a big difference for us to know what where and how much the damage would coast. I do recommend to everyone to buy and keep it handy
T**R
Works as advertised.
Works as described. Easy to use.
S**B
Works as it should. Easy to use.
Works great. Easy to use.
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.
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