I am trying to find an affordable meter to use on boats. does this mmd950 moisture meter read through laminates to read core wetness levels?

Yes! it is by far the best one on the market, it's ACCURATE !!! I am a fiberglass and gelcoat repair expert, this is the very one I own.... the back flat part reads 3/4 inches deep, but the probe goes in four inches deep! the only "real one out there" technology has changed a lot in thirty years, I've been in the business of gelcoat colormatching as well as the glass work, guess what? it even comes with needle probes to run down wall leaks in sheetrock. This is awesome and the best, by far... better then the over a thousand dollar ones! Get it you'll love this thing and be armed with the best unit money can buy too! Good Luck they call me "Dr. Gelcoat" New Smyrna beach Fla...

I recently had moisture on the floor on one end of my basement. Could this be used to detect if there is also moisture present behind the drywall, within the wall? (The drywall is plastered, painted, and seems to be backed with a layer of plastic.) Thank you!

Well! I decided to keep my MMD950 after some calibration problems. It needs to wander and end up stable at 0 to 2% if the calibration is successful. The instrument is reliable when used in a comparison mode. On sheetrock if no water is present it'll read 7 to 9 in the REL mode. If there's water it will jump to at least 17 and maybe even 99%. On roof leaks, I feel it will pick them up, dry days showing a low reading and rainy days jumping significantly. If I were you, I'd take REL reading at various points on the wall around the basement and see if they show dry in some places. Then, over above water pool, check and see if you get a higher reading. The book says the meter shows four inches deep. I have no experience to confirm that. Don't be afraid to open up the sheetrock to look behind it. You gotta know what's going on.

will this work on bamboo flooring and concrete sub floors?

Should work on the bamboo flooring but not so good on concrete. Concrete always retains moisture so you will always will get a moisture reading no matter what

Would this unit read to 0.1% up to 10% or more moisture? Wish to use it on a food product

Your use of the number 0.1% would indicate you're looking for a high level of accuracy. I figure the meter is good for two or three percent plus or minus. I use mine to detect roof leaks. Six to 10 is no leak and 18 or above is a leak. Of course, as stated in the meter description, it'll measure zero to 99%. May be I don't fully understand your question!

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Description

💧 Detect moisture like a pro—stay ahead of leaks and mold before they strike!

ERGONOMIC DURABLE - Rubber side grips and rugged design ensure comfort and reliability on every job site.
DEEP SENSING TECHNOLOGY - Spherical sensor penetrates up to 4 inches behind surfaces to catch hidden leaks early.
USER FRIENDLY INTERFACE - Jumbo LCD plus tri-color LED bar graph with audible alerts for instant moisture status.
COMPLETE PROFESSIONAL KIT - Includes remote probe, replacement pins, calibration cover, and hard carrying case for on-the-go use.
PRECISION MOISTURE DETECTION - Pin and pinless modes deliver versatile, accurate readings on wood, drywall, and concrete.

The General Tools Moisture Meter MMD950 is a professional-grade dual-mode moisture detector featuring pin and pinless measurement capabilities. Equipped with a spherical sensor that senses moisture up to 4 inches deep, it offers jumbo LCD and tri-color LED displays with audible alerts for quick diagnostics. Designed for contractors, woodworkers, and homeowners, it includes a remote probe, replacement pins, and a durable carrying case, making it an essential tool for preventing water damage and mold growth in wood, drywall, and concrete surfaces.

Specifications

Brand	General Tools
Product Dimensions	4"W x 12"H
Item Weight	2 Pounds
Battery Description	Alkaline
Mounting Type	Surface Mount
Upper Temperature Rating	122 Degrees Fahrenheit
Voltage	9 Volts
Temperature Accuracy	0.5
Manufacturer	General Tools
UPC	080050279700 681035015056
Global Trade Identification Number	00681035015056
Part Number	MMD950
Item Weight	2 pounds
Item model number	MMD950
Is Discontinued By Manufacturer	No
Size	Pin Type or Pinless
Style	Sensor and Remote Probe
Pattern	Sensor
Power Source	Battery Powered
Item Package Quantity	1
Measurement System	Imperial
Usage	Professional
Included Components	Moisture meter, external probe, replacement pins, Battery Custom, carrying case
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
Description Pile	Alkaline
Warranty Description	1 year parts

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