6 CALIBRATING AND TESTING THE GAUGE CALIBRATION
The Elcometer 224 Model T has a choice of calibration methods as
detailed below. The Elcometer 224 Model B uses the Zero calibration
method.
6.1 CALIBRATING THE GAUGE
Adjusting the calibration of the gauge is the process of zeroing the
gauge on a smooth glass zero tile. Calibration foils can be used to
check the accuracy of the gauge across its measurement range.
4 Zero Calibration: A simple method for calibrating on the smooth
glass zero tile. Simply place the probe on the glass tile and the
gauge will adjust the calibration accordingly.
4 2 Point Calibration: This is a more accurate method of calibrating
the gauge than the Zero method as it requires the user to
calibrate the gauge using a foil and the smooth glass zero tile.
4 Tip Change Calibration: The precision manufactured probe tip will
wear after continued use. Re-calibration is required after a tip
replacement to ensure the continued accuracy of the gauge - see
Section 6.2 on page en-8 for further information.
To calibrate the gauge:
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2 Use the softkeys to select the required calibration method
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(Model T only).
3 Follow the on-screen instructions.
After continued use, the surface of the glass zero tile will begin to
wear. If a repeatable zero can not be obtained the tile should be
replaced.
Description Part Number
Glass Zero Tile T22420072
1 Press the Cal softkey.
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en-7
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