When you use the GVDA GD216 wall detector for moisture detection, in order to ensure the accuracy of the measurement data, the probe of the instrument must be inserted into the material to be tested and keep in good contact.
1. Short press the 7 key, the tool automatically enters the wood moisture detection mode, and the icon j appears on the screen. Press and hold key 7 to enter building material moisture measurement mode. The icon k will appear on the screen. Select the appropriate mode according to the measured object.
2. Press the end of the probe cover 10 to remove the probe cover;
3. Insert the test probe into the material to be tested. The moisture value will be displayed on the screen;
4. Short press the 7 key to lock the moisture value on the screen. The lock icon and moisture value on the screen will remain displayed until button 7 is pressed again.
