Workshop Klein Tools

Klein Tools ET140 Pinless Moisture Meter

Tells you if the lumber — or that wall — is dry, without leaving a single pin hole.

Pressing a pinless moisture meter flat against a drywall panel during a renovation

Klein Tools

ET140 Pinless Moisture Meter

Kraang Finds

Best for Checking lumber before a buildfinding leaksdrywall and masonry

Wood moves as it dries. Build a table from boards that are still wet and the joints open up a month later; glue a panel from mixed boards and it cups. A moisture meter tells you before you cut. This one doesn’t use pins — you press it flat against the board or wall and it reads through the surface — so it’s just as useful for checking a finished wall for a hidden leak as for sorting lumber.

Pro tip Take a reading on a spot you know is dry first, then compare. A clear jump from that baseline tells you more than any single number on the screen.

Why we like it

✓Pinless — no holes in finished wood, drywall or tile
✓Reads up to 3/4 in deep, with modes for hardwood, softwood, drywall and masonry
✓Dry-to-wet LED bar gives you the answer at a glance

Keep in mind

!Calibrated only for drywall, masonry, hardwood and softwood
!Shows relative moisture — best for comparing spots, not lab-exact numbers

Method: Pinless (EMF), up to 3/4 in deep
Materials: Drywall, masonry, hardwood, softwood
Display: Reverse-contrast + 9 LED bars
Features: Hold, auto power-off, low-battery warning
Drop rating: 2 m
Power: 9V battery (included)
Weight: 7 oz

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