EMA Thickness gauge EM4000. User Manual
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The menu “Calibration of the coating thickness measurement channel” can
be accessed through the “Settings” window (see the “Settings window”
section). The appearance of this menu is shown in the figure below:
Coating thickness measurement channel calibration menu
This menu consists of four items. Calibration is performed in three steps.
Air calibration is performed first
.
To do this, select the appropriate menu item and press the
button.
After that, the text “Place the device outside metal objects and press OK”
appears on the screen of the device. The device should be removed from the
metal so that the distance from it to any metal object is more than 10 cm and
while holding the device in this position, press the
button.
The second step is to perform zero calibration.
To do this, select the appropriate menu item and press the
button.
After that, the text “Place the device close to the metal and press OK”
appears on the screen of the device. Install the device in the centre, on the
sample supplied, as shown in the figure below:
Positioning the device for zero calibration