Does it sense moisture through a painted surface or just the moisture content of the paint?

It senses moisture through a painted surface.

Can this be used on concrete and drywall?

Yes, the device has four modes. Wall, masonry, soft wood, hard wood. Wall is drywall.

Can this be used to locate a leak behind drywall. The drywall is not showing wetness so the water is probably running down a stud or outside wall.

This tool will measure the moisture content of any building material including wood and drywall. If the test indicates a high moisture content in just one spot, you could probably conclude that there was a leak at that point.

Will this unit work on a plywood sub floor, and hardwood flooring to verify the hardwood has properly aclimated for installation?

In order to get accurate readings you will need to make sure the two prongs on the top make contact with the area you wish to measure for moisture. The two prongs are pretty small and the tips are sharp. I was able to obtain readings on wet drywall, plywood and ceramic floor tile. As long as contact was made with the points it worked for me and the price is reasonable.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Pinless Moisture Meter

Product ID: 7606462

Details

Battery Description
Alkaline
Brand
General Tools
Item Weight
4 ounces
Lower Temperature Rating
32 °F
Product Dimensions
3"W x 1.13"H

🌈3-color LED bar graph for instant moisture status

📏3/4" deep non-invasive reading

🔋Low battery alert for uninterrupted use

$166.55

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay dry, stay safe — moisture mastery at your fingertips!

INSTANT ALERTS - 3-color LED and audible alarms keep you ahead of mold and dampness risks.
PINLESS PRECISION - Non-invasive moisture detection that protects your surfaces from damage.
TRUSTED INNOVATION - From General Tools, a leader in precision instruments for pros and DIYers alike.
ERGONOMIC DURABLE - Rubber grips and backlit LCD ensure comfort and clarity during extended use.
DEEP SURFACE INSIGHT - Reads moisture levels up to 3/4" deep for accurate remediation decisions.

The General Tools Pinless Moisture Meter offers fast, accurate, and non-invasive moisture readings up to 3/4" deep, featuring a backlit LCD, 3-color LED alerts, and audible alarms. Designed for professionals and DIY enthusiasts, it prevents damage to surfaces while detecting moisture levels critical for mold prevention and home safety.

Specifications

ASIN	B00HARYVUQ
Battery Description	Alkaline
Best Sellers Rank	#542 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Moisture Meters
Brand Name	General Tools
Customer Reviews	4.3 4.3 out of 5 stars (4,101)
Global Trade Identification Number	00681035015834
Included Components	.....
Item Dimensions W x H	3"W x 1.13"H
Item Type Name	....
Item Weight	4 ounces
LowerTemperature Range	32 °F
Manufacturer	General Tools Mfg Co In
Model	MMD7NP
Mounting Type	Wall Mount
Number of Items	1
Part Number	MMD7NP
Temperature Accuracy	±1°C
Temperature Reading Accuracy	plus_minus_3_degrees_fahrenheit
UPC	021113026145 681035015834 753248093142 031113198551 080000324931 044905098113 069060295955 971485411967 079531646414
Unit Count	1 Count
Upper Temperature Range	122 °F
Voltage	9 volts

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