Model # E49MM01

Internet #202048566

Ryobi Pinless Moisture Meter


Pinless Moisture Meter

$3997 /each
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Product Overview

Ryobi introduces the Ryobi Digital Pinless Moisture Meter. This tool is perfect for measuring moisture in hardwood, softwood, drywall and masonry materials and can help you detect conditions for potential mold growth. To learn more about Ryobi tools go to and check out Ryobi Nation. See below for more information on this tool.

California residents: see   Proposition 65 information

Info & Guides

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Name Pin-Type Digital Moisture Meter with LCD Display Pinless Moisture Meter Moisture Meter Wood/Building Material Pocket Moisture Meter
Brand General Tools Ryobi Extech Instruments Extech Instruments
Ratings (41) (27) (2) (12)
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Product Depth (in.)
1.38 in
Product Height (in.)
8.825 in
Product Width (in.)
5.875 in


Battery Power Type
Battery Size
Display Type
External Electrode
Not Supported
Audible Alert,Data Hold
Maximum Moisture Reading (%)
Maximum Sense Depth (in.)
Measureable Materials
hardwood, softwood, drywall, and masonry
Minimum moisture reading (%)
Number of Batteries Required
Product Weight (lb.)
Test Meter Type
Moisture Meter
Tools Product Type
Test Meter

Warranty / Certifications

Manufacturer Warranty
2 year

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Customer Questions & Answers

how close to a wall do I need to hold the unit to sense mould ?

Asked by: DLFJ
This is a moisture meter ONLY, it will not detect mold within in a wall. It only detects elevated humidity levels, which COULD be a sign of mold within in wall but is not always a definite. If you are trying to determine if your home has mold you should contact a certified Indoor Environmental Professional (IEP) or Industrial Hygenist (IH)
Answered by: pmartoneMoldRemoval
Date published: 2017-03-08

Is this moisture meter pinless or painless? - please read your (Home Depot's) description

Asked by: ka34
It is pinless, and hence painless :-)
Answered by: Ash
Date published: 2015-09-20

How large is the sensor pad? Trying to determine if this can be used on 3" plank hardwood flooring.

Asked by: jim
Hi, jim. My name is Lynn from Ryobi. We can measure the unit we have in the training facility for you through our technical support division. Please give us a call at 1-800-525-2579.
Answered by: Ryobi Tools Team
Date published: 2017-07-31

Did Ryobi stop manufacturing this product altogether or coming out with newer version?

Did Ryobi stop manufacturing this product altogether or coming out with newer version?
Asked by: bigbjones
Hi, bigbjones. Unfortunately, we have not received any updates on a new version of the pinless moisture meter.
Answered by: Ryobi Tools Team
Date published: 2017-04-30
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Customer Reviews

Pinless Moisture Meter is rated 3.7 out of 5 by 27.
Rated 1 out of 5 by from Useless I've been using a protimeter surveymaster for many years, and was looking for an inexpensive backup device, but this isn't it. The protimeter showed 10% - 12% while using it on drywall, but the ryobi showed nothing. I got a paper towel wet and put it underneath a very thin floor mat; the protimeter easily identified the location of the wet paper towel, while the ryobi showed nothing. If it can't find moisture with a simple test like this, it's useless.
Date published: 2013-05-03
Rated 4 out of 5 by from Easy to use, does the job. Would have preferred pin-type, but this was what they carried in the store. Used it to map out wet sheetrock in the ceiling so I knew where to tear out. Has 2 flat sensors on the back about 4 inches apart that need to lay flat on the material. Hardwood, softwood, masonry and drywall modes. Also a "hold" button so you can store a reading in case you are reading somewhere that's not visible. Worked well. Only bad thing was that it came with a cheap 9-volt battery that was dead. After replacing it worked great.
Date published: 2012-07-23
Rated 4 out of 5 by from Ryobi Moisture Meter For $50 or so, this is a decent meter, and one you can buy in the store. I also performed the wet paper towel test under a thin board, and it detected the water immediately. This meter does 0.5 inch depth so may not be effective through carpet, but is still great for analyzing specific areas of the house, such as known areas which may have had spillage or some flooding in the past. Example I lifted a floor vent out and put the meter under the carpet onto the wood underfloor. Also detected through the vinyl floor in the kitchen. Also measured wall and concrete successfully. Also measured the moisture readings on my back deck. It was quite consistent in taking readings when going back to spots here and there. Compared to another particular $350+ similar type meter that gave you 0.75 depth and similar functions, it's worth the low price. You also have 90 days to return it is not for you.
Date published: 2013-12-19
Rated 1 out of 5 by from Not accurate, sensor area too large. This meter picks up all metal within walls - nails, corner beads, wiring, etc. Without the pins there is no way to 'pinpoint' a specific location. All you can do is get in the general area - if there is metal(even close by) you will get a false reading. Moisture meters work based on continuity so metal will cause false readings on any meter but with such a large sensor area(instead of pins), it is difficult to stay away from metal in small spaces.
Date published: 2012-04-05
Rated 5 out of 5 by from works great This product showed exactly where the moisture was in my walls and floor after the fire sprinkler broke in my home. When I opened up the wall, it was wet and the mold had begun to set in. This Ryobi poduct saved me so much from further damage to my home. The inexpensive price of the moisture meter is well worth this product. Very happy with this product and this is the first review I've ever written.
Date published: 2014-01-02
Rated 4 out of 5 by from in general, works well In general, works well, but size is quite big, so hard to get to tiny locations. Used for two weeks, got a lot of scratches already. Easy indication from green to red and shows numbers as well.
Date published: 2013-12-31
Rated 1 out of 5 by from Needed best tester Not what I wanted. Did not have needles to go into wood. Package did not describe well
Date published: 2016-10-04
Rated 1 out of 5 by from Not worth the money I paid for it. Zero instructions. Not dependable after we figured out how it works.
Date published: 2016-10-11
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