Extech MO260 Moisture Meter User Manual

The Extech MO260 Moisture Meter is a portable, battery-powered wood moisture meter that measures moisture in wood and other materials such as particle board, carpeting, and ceiling/bathroom tiles. The meter uses a non-invasive method (pinless) to detect moisture in wood and a pin method to detect moisture in drywall and other building materials. The meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.


Extech MO260 Moisture Meter User Manual - cover page
Brand
EXTECH
Document type
User Manual
Language
English
Pages
8
File format
PDF
File size
182 KB
Published
18 October, 2023
Updated
18 October, 2023
Model
MO260
MD5 checksum
65C9E79BEDAF6CEFF123DA3899DAC5BF

About this manual

The Extech MO260 is a dual moisture meter that measures moisture in wood and other materials using both pin and pinless methods. It features a digital LCD display with backlighting and a tri-color LED bargraph to indicate moisture levels. The device includes replaceable electrode pins, a protective cap, and a 9V battery. It is designed for non-invasive (pinless) measurements up to 0.75" deep and pin measurements for wood and building materials. Calibration is built-in and can be checked using test points on the protective cap.

What's inside

  • Introduction
  • Description
  • Operation
  • Calibration Zero
  • Calibration Check
  • LCD Backlight
  • Data Hold
  • Meter Setup
  • Battery Replacement
  • Maintenance

Specifications

DisplayBacklit LCD digital display and tri-color LED bargraph scale
Resolution0.1%
Accuracy (Pin Mode)± (5% rdg + 5 digits)
Measurement Principle (Pinless)Electromagnetic sensor
Range (Pinless)0.0 to 99.9 %Relative
Electrode Pin Length11mm (0.44")
Power Supply9V alkaline battery
Operating Temperature0 to 50 °C (32 to 122°F)
Operating Humidity80% Relative Humidity maximum
Dimensions203 x 58 x 43mm (8 x 2.3 x 1.7")
Weight204g (7.2 oz)

Frequently asked questions

How deep does the pinless mode measure?

Pinless measurement depth is to 0.75" (22mm) below the surface.

What does the tri-color LED bargraph indicate?

The bargraph indicates WET / DRY measurements using green (dry), amber (moderate moisture), and red (very moist).

How do I calibrate the pinless mode?

Switch to REL mode, press and hold MODE for 3 seconds until 'rEL' appears, then release to complete calibration.

What is the accuracy for pin mode?

Accuracy is ± (5% reading + 5 digits).

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