Extech MO100 Moisture Meter

Extech logo

Pocket size meter with adjustable pins for wood and building materials

The Extech MO100 is a Pocket sized moisture meter which measures moisture content in wood, plaster and building materials. The multi-position sensor pins retract for safe storage. Calibration adjustment offers increases repeatability. Includes spare pins, two AAA batteries and storage case.

CE    1 Year

PDF Logo     MO100 Datasheet
PDF Logo     MO100 Users Guide
If you would like more information regarding this product, simply email us here.
  • This field is for validation purposes and should be left unchanged.
SKU: Extech MO100 Categories: , Tags: ,

Extech MO100 Moisture Meter Features

  • Unique dual LCD displays wall moisture (0 to 100) and air temperature (-32° to 122°F or 0 to 50°C) simultaneously
  • Moisture content displayed on a relative scale
  • Multi-position pins with safety storage of replaceable pins
  • Easy to operate with selectable side switch (OFF, Test, and Calibrate)
  • Data hold to freeze reading on display
  • Calibration adjustment for better repeatability


Display Two LCD displays
Display Range 0 to 100
°C/ °F Range 0°C to 50°C (32°F to122°F )
°C/ °F Resolution 0.2°
Operating %RH 90% Relative Humidity (max.)
Power Two (2) AAA batteries
Dimensions 192 x 30 x 45 mm
Weight 108g

Converting Relative Readings to %Moisture Content The readings obtained with this meter are relative indications of the moisture level NOT % moisture content. Please refer to the table for an approximate conversion of relative readings to % moisture content.

Wood Scale Conversion (Approx)
REL 2 4 8 16 22 30 38 44 62 68 72 76 78 83
%MC 16 17 18 19 20 21 22 23 24 25 26 27 28 29

Safety Note: The Extech MO100 has a rotating head with a push button lock release for your safety. Please remember to rotate the head back so that the pins are safely hidden inside the storage area.


There are no reviews yet.

Be the first to review “Extech MO100 Moisture Meter”