Extech instruments MO260 User Manual

User Guide

Dual Moisture Meter

Pin / Pinless Moisture Meter

Model MO260

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

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MO260-EN V1.3 05/12

Description

Meter Description

1. Electrode pins protective cap

2. LCD display

3. Tri-color Bargraph

4. HOLD / POWER key

5. Protective cap attachment

6. Protective cap holders

7. MODE button

Notes:

 Battery/Spare Pin compartment located on the rear of the

instrument

 Electrode pins located beneath the protective cap

 Calibration points located at the top of protective cap

LCD Display Description

1. Measurement reading

2. Battery status

3. Audible alert icon

4. Measurement mode

5. Display HOLD icon

Bargraph Display Description

The bargraph indicates WET / DRY measurements using three LED colors: Green (for dry),
Amber (for moderate moisture), and Red (for very moist). As the reading moves up the
bargraph scale from the DRY indicator to the WET indicator, the LED color changes from
green, to amber, and then to red.

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MO260-EN V1.3 05/12