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Relative Values Only
The readings from the MT28 are relative, not absolute. Different materials, densities, and compositions can affect the measured value
Smooth Surface Recommended
For best results, the surface should be flat, clean, and smooth
Multi-Material Compatibility
The MT28 Pinless Moisture Meter can measure moisture in a variety of materials, including wood, drywall, masonry, and concrete. It works by detecting changes in the material’s dielectric properties, which vary with moisture content

Pinless Moisture Meter
MT28 Pinless Moisture Meter designed for measuring moisture content in various materials, including wood, drywall, and masonry


About US
RDINSCOS designs and manufactures professional moisture meters for those who build, fix, and inspect with confidence. Founded in 2013 in Shenzhen, we focus solely on moisture detection—delivering reliable, accurate tools used daily by woodworkers, inspectors, and homeowners worldwide. No guesswork. No hassle. Just clear, trusted results
Wall moisture meter

Firewood Moisture Meter
Angle Meter and Stud Finder
More Accurate & Stable Moisture Detection Get fast and consistent moisture readings on walls, wood, drywall, concrete, and masonry. The upgraded sensor provides stable results when the device is placed flat on the surface and held still for 2–3 seconds
Prevent Water Damage Early:Identify moisture caused by leaks, flooding, or high humidity in time. Ideal for home inspection, renovation, and DIY repairs.
For reliable results, avoid metal pipes, wiring, or steel studs, which may interfere with signals. Includes simple, step-by-step guidance for testing different materials
Accurate Readings – Avoid Metal Surfaces:For best results with this moisture reader for walls, keep away from metal objects to avoid interference and ensure accurate readings
The pinless sensor measures moisture without leaving holes or marks, making it safe for finished floors, painted walls, tiles, furniture, and sensitive materials.
13 reviews for Pinless Moisture Meter for Wall,Floor – Digital Moisture Tester with 3-Color LCD Display, Audible Alarm & HOLD Function – Ideal for Home Inspections (Red_green)
Add a review
$24.99

simone sheffield –
Good item. Fair price.
This unit worked as described. Easy to use and understand. Definitely helped me confirm the wall and wood cabinet were dry after repairing a leak underneath the bathroom sink.
Dave T –
Works well and inexpensive!
Seems great! I watched a few Youtube videos about moisture meters and this one tested extremely accurate despite its low cost. It is easy to operate and change settings and seems accurate to me. Feels like a good purchase!
nandan69 –
Needs better instructions on how to measure.
Generally works. I’m a first time user of moisture meters. It was easy to set up and use, but my confidence level isn’t high because it seems to have a lot of variability. I wish there had been more information on where on the wood to use it and where the best reliability to measure is. For example, I get a different reading on a smooth surface versus a rough surface versus an end cut surface. I think the more I get used to it, the more confidence I’ll get. We’ll see.
Kevmandude –
Works fine
It works fine pick up moisture and all different types of stuff material. concrete, softwood, hardwood, walls, masonry.I wish there were a YouTube video on how to use it
Rafe –
Good product
Simple to use, easy to read display and great price.
floodsurf –
Good Meter!
This is my first moisture meter and I don’t have any other meter to compare it to, but it seems to work great. It measures instantly and seems to be accurate. I ordered a batch of kiln dried hardwood from a supplier and when it arrived I measured every piece and all of it was within +/- 0.5%.
Kindle Customer –
simple to use
Inexpensive and works
Mikhail –
Firewood tested
No BS. Straight to the numbers. I like interface with material types, nothing extra. I use it for firewood moisture measurements. Tested on freshly cut oak – expected 40% hardwood moisture.Tested then on 2 year seasoned elm and oak – 10-12% hardwood moisture.
Damian Urbanczyk –
Das Gerät funktioniert sehr gut und ist wirklich einfach zu bedienen.
Don C –
Like that it came in with a battery and a small protective pouch.I tried it on various pine furniture in the house that was acclimatised, and they all read very close to each other in moisture (about 2% variation, 11-13%), so the reading for softwoods seems quite reasonable). Walls were checked in a few rooms with the drywall setting and also very similar, so consistency seems quite reasonable.
Carlos Pires –
Equipo ligero y fácil de usar con mediciones fiables.
Fabio Calabrò –
Ottimo prodotto, misura molto bene le zone di umidità, con buona precisione anche nella localizzazione.Si può usare su molti materiali, non solo sui muri. Io l’ho usato sulla vetroresina della barca per verificare la presenza di osmosi nella carena. Fa il suo lavoro.
DRMEISE –
Sehr gut einsetzbar. Gute Qualität der Messelektronik. Unglaublich preiswert,