User manual
MO260-EN V1.3 05/12 
2
Introduction 
Congratulations on your purchase of the Extech MO260 Moisture Meter. The MO260 detects 
moisture in wood and other materials such as particle board, carpeting, and ceiling/bathroom tiles 
using the non-invasive method (pinless); the MO260 also measures moisture in sheet rock and 
other building materials using the pin method. This meter is shipped fully tested and calibrated 
and, with proper use, will provide years of reliable service. 
Features 
  %WME (wood moisture equivalent) pin moisture reading 
  Relative (REL) pinless moisture reading for non-invasive measurement 
  Digital LCD readout with backlighting feature and tri-color LED bargraph 
  Quickly indicates the moisture content of materials 
  Pinless measurement depth to 0.75" (22mm) below the surface 
  Electro-magnetic sensing technology for pinless operation 
  Built-in calibration check and calibration zero 
 Replaceable measurement electrode pins 
  Low battery indication 
  Cap protects pins during storage 
  Cap can be snapped onto the side of the housing during use 
  Complete with 9V battery, replacement pins, protective cap, and pouch case 







