4 CALIBRATING AND TESTING THE GAUGE CALIBRATION
Calibrating 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. The Elcometer 224 has on screen
instructions to guide the user through the calibration method.
To calibrate:
1. Press the Cal softkey
2. Select Calibrate (T)
3. When prompted place the probe onto the glass zero tile.
To test the calibration (T):
4 If the Cal softkey is flashing, the gauge should be calibrated.
To calibrate using the factory calibration (B):
1. Press the Menu softkey
2. Select Reset/Gauge/Metric Gauge or Imperial Gauge
To calibrate using the factory calibration (T):
1. Select Cal/Factory Calibration and follow the on screen instructions
4 The factory calibration returns the gauge to the calibration set up during manufacture
and final test using factory reference probes. Factory calibration is not as accurate as
a gauge calibration but gives the user the ability to calibrate when no zero tile is
available.
1. Press the Cal softkey
2. Select Test Calibration
3. When prompted, place the probe on
the glass zero tile or on the centre of
a foil resting on the glass tile,
making sure the pin goes through
the hole in the centre of the foil.
4 The calibration can be checked at any time without affecting any statistics or batch
memory by following the above procedure and comparing the reading value display
with the glass zero or measured foil value.
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, order part
number T22420072.
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