MO230-en-GB_v3.3 2/15
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Introduction
Congratulations on your purchase of the Extech MO230 Moisture Meter. The MO230 detects moisture
in wood and building materials such as wall board, sheet rock, cardboard, paper, mortar, and plaster.
Additionally, the meter measures Relative Humidity (RH) and Temperature. This device is shipped fully
tested and calibrated and, with proper use, will provide years of reliable service. Please visit our
website to che
ck for the latest version of this User Guide, Pr
oduct Updates,
Product Registration, and Customer Suppo
rt.
Description
Meter Description
1. Protective Cap
2. Test Point pairs
3. Measurement electrode pins
4. Temperature and RH sensors
5. LCD
6. Hand grips
7. SET, CLEAR, and MODE/POWER buttons
Display Description
1. Measured value scale
2. Measured value
3. Relative Dry-Moist-Wet scale
4. Building mode and groups
5. Wood mode and groups
6. MAX value scale
7. TEST mode icon
8. Battery Status Indicator
9. Temperature or Relative Humidity display
Note: The LCD screen is optimized for a 30 degree viewing angle.
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www.GlobalTestSupply.com
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