General Tools MM8 Pinless Moisture Meter for Wood, Walls & Mold Detection

Easy to use and readMany reviewers

Reviewers say the controls and readings are easy to understand, with a large, clear display.

Detects moisture in wallsMany reviewers

Reviewers report using it to locate damp areas and monitor drying in drywall and other surfaces.

Consistent readable readingsSome reviewers

A long-term user says the moisture readings are consistent and easy to read.

Audible moisture alertSome reviewers

A reviewer likes the audible alarm, and another says the meter beeps when moisture exceeds a level.

Fragile constructionSome reviewers

Reviewers say the battery cap broke immediately or the unit was vulnerable to drops and shocks.

Can fail prematurelySome reviewers

Reviewers report units stopping, displaying a dead screen, or failing after a short period of use.

Readings can be unreliableSome reviewers

Some reviewers report identical or implausible readings across wet and dry areas or different surfaces.

Metal affects readingsSome reviewers

Reviewers warn that metal edges, pipes, or studs can trigger readings or beeps.