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Your cart is empty. You can count on our General Tools Digital Moisture Meter to give you the most accurate readings for preventing water and moisture build-up. It can quickly determine what level of remediation is needed to keep your family safe. High levels of dampness that go untreated can cause hazardous living conditions. Our humidity meter can detect low, medium, and high moisture tones and colored green, yellow, and red LED visual alerts and has an audible out-of-range alarm so you will be able to hear a high tone alert. This mold reader has a sturdy, ergonomic shape and rubber side grips for comfort even when used for multiple measurements. It also features a hold function to freeze a reading, auto power-off, and a low battery indicator.
General Tools has been a recognized leader in the innovation, design, and development of specialized precision tools for many years. We encourage craftspeople, artisans, and DIYers to work smarter, measure better, and increase productivity.
Katherine
Reviewed in the United States on March 7, 2025
Bought this to use at our house. Instructions weren’t great, but we figured out how to use it. It didn’t pick up any moisture on walls (0%) and only up to 35% on floors. Other meters picked up 15-80% moisture in those same areas. Not sure if the one we received was just defective, but I ended up returning this moisture meter.
sz
Reviewed in the United States on February 15, 2025
This product is very good. High accuracy, easy to use. Should be the first tool you use for a water leak.
Lee
Reviewed in the United States on January 22, 2025
I can not read the display unless i am directly in front of it. To read high and low place's i must either lay on the floor or step on a ladder. Other than this issue the meter seems to work. I also noticed if you rotate the meter while reading helps to read the display in angles or reaching high or low. The numbers start disappearing in different angles. So you must rotate the meter while sliding across the surface of the wall to see it clearly.
KG
Reviewed in the United States on November 2, 2024
Worked well for us. Easy to use. We needed to know when deck was dry enough to seal. Perfect for us!
Baronva
Reviewed in the United States on October 8, 2024
Great to monitor moisture level in wall of home. Great aid in trying to l look Cate leak (pinholes) in water lines. Accurar, easy to read display for a layman. Good pt.
Anas1122
Reviewed in Saudi Arabia on August 26, 2022
Dood
KampungBred
Reviewed in Singapore on May 17, 2022
I bought this gadget to detect water leakage within the walls of my house. While the gadget works well, I am not too sure of the accuracy of its readings. Nevertheless, it serves well if you are interested in checking out for any water leakages without asking for true readings.
Customer
Reviewed in India on December 10, 2021
Very good product. Working accurately
Pat Walsh
Reviewed in the United States on January 18, 2021
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JB
Reviewed in the United States on July 17, 2020
I bought this to figure out what was going on with the transom on my newly-acquired boat, and man I wish I had bought this before I bought the boat. Long story short, I was installing a transducer when I noticed that the shavings were very wet. I didn't want to drill all over the transom of my boat, so I bought this instead to get a sense of how bad it was. This meter can read through the fiberglass using the "wall" setting, and it reliably reads out moisture percentages varying as you glide over the surface you are measuring. This is 100% better than trying to do a knock test to tell whether a transom is soaked--especially if you are a first time buyer and don't really know how to hear the difference between a dry knock and a wet knock. If you are in the market for a boat, I highly recommend this meter.It also works on an actual structure like a home. I needed some good news, so I tested it out around the house, and thank God, my walls are dry. Now, to figure out how to dry out that transom . . . .
Ahmed
Reviewed in the United Arab Emirates on December 21, 2020
طلبت هذا المنتج لكشف تسرب المياه ولكن لم استفد منهلهذا الغرض وكان عندي تسرب في احد الحمامات وحاولت بهذا الجهاز كشف موقع التسرب ولكن بدون نتيجة
Andrew J
Reviewed in the United States on February 5, 2019
I'm an insurance adjuster and need a meter to determine where water is and isn't. This does a wonderful job. I gave it 5 stars for it's price and ability limitations. However after not daily use but regular use it stopped working after a year. There's the Lost star. The pad on the back has worn thru, and it just stopped reading. It turns on and I thought it was the battery so I swapped it out with a new one. That didn't solve the problem. I bought another one because it's easy to use and cheap, I just would have liked it to last more than a year. And I put the old battery in the new meter and it still has most of the charge left, so storing the new battery for future use. Sad the battery lasted longer than the meter did...Now to those who would use this instead of a professional assessment, I would use this to conclude you NEED a professional, not to use yourself, because their equipment is WAY better and more accurate, and though your drywall may read dry, the problem is your wood studs inside the wall are most likely still wet and this meter won't tell you that.This is a great reference tool, but that is all it is, a reference tool, not a professional diagnostic tool. I will however still trust it daily to tell me what I need to know for my job.Also, almost all concrete reads wet with this meter, and most thin flooring reads wet or elevated if installed over concrete. Don't like that, but I just use a reference point I know it's not damaged and use that as the baseline and look for elevated areas above that.
stevekay
Reviewed in the United Kingdom on November 13, 2017
Works fine for me!
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