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  • Five dual color LEDs indicate 10 moisture levels:
    • Green LEDs: 5%, 7%, 9%, 11%, 12%
    • Red LEDs: 14%, 16%, 20%, 30%, 40%
  • Easy-to-use one button operation
  • Data Hold freezes LED range
  • Battery level check on power-up
  • Auto power off conserves battery life
  • Use on wall board, sheet rock, cardboard, plaster, concrete, mortar, paper, fabric, and more

What's in the Box

  • Protective cap
  • Built-in pocket clip
  • 2 pins (already assembled)
  • (1) AAA battery

The Extech MO25 pin-type moisture meter is a pen-style instrument designed for taking quick and convenient reference moisture level measurements on wood and building materials (such as brick and concrete). It is ideal for building restoration applications such as detecting water leakages inside walls, ceilings, and floors.

The Extech MO25 moisture meter provides easy, one-handed operation and uses an easy-to-read dual color LED indication with 10 ranges of % WME moisture level. A data hold button freezes the LED range while an auto-power off function conserves battery life.


This product can be used in the following applications: