General Tools MMD950 Moisture Meter, Pin Type or Pinless, Deep Sensing with Sensor and Remote Probe

General Tools MMD950 Moisture Meter, Pin Type or Pinless, Deep Sensing with Sensor and Remote Probe

Q: 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.

Q: 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

Q: 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!

4.4/5

Product ID: 281874516

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Details

Brand
General Tools
Product dimensions
10.2W x 30.5H
Item weight
907 g
Battery description
Alkaline
Mounting type
Tabletop

📊Dual-display: jumbo LCD + tri-color LED bar

📏46-inch remote probe cable

🔋Auto-calibrating with low battery alert

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Description

💧 Stay ahead of moisture issues with precision and style!

CUSTOMIZABLE ALERTS - Toggle beep sound, backlight, and auto power functions to suit your work environment perfectly.
VERSATILE DUAL MODE - Switch effortlessly between pin and pinless modes to tackle any moisture detection challenge.
PRO GRADE PORTABILITY - Includes a rugged hard plastic carrying case and replaceable pins for on-the-go reliability.
DEEP SENSING PRECISION - Pinless mode measures moisture up to 4 inches deep for accurate readings beneath the surface.
INSTANT VISUAL FEEDBACK - Simultaneous jumbo LCD and tri-color LED bar graph displays ensure you never miss critical data.

The General Tools MMD950 Moisture Meter combines pin and pinless technology with a 46-inch remote probe cable, delivering deep sensing up to 4 inches. Featuring dual displays—a jumbo LCD and a tri-color LED bar graph—it offers real-time, precise moisture readings. Auto-calibrating with customizable alerts and a durable carrying case, this professional-grade tool is designed for accuracy, convenience, and reliability in any environment.

Specifications

Manufacturer	General Tools
Part number	MMD950
Item Weight	907 g
Product Dimensions	9.22 x 20.65 x 30.48 cm; 907.18 g
Item model number	MMD950
Size	Pin Type or Pinless
Style	Sensor and Remote Probe
Pattern	Sensor
Power source type	Battery Powered
Voltage	9 Volts
Item Package Quantity	1
Measurement System	Imperial
Plug Profile	Tabletop
Specific uses	Professional
Included components	Moisture meter, external probe with 0.4 in. (10mm) long pins #PIND4E replacement pins Battery Custom hard plastic carrying case
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline
tech_spec_battery_description_toys	Alkaline

Have a Question? See What Others Asked

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?

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!

will this work on bamboo flooring and concrete sub floors?

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

Common Questions

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12 interest-free installments with tabby

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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