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6 SETTING THE ZERO POINT
Setting the zero point for the transducer is important. If the zero point
is not set correctly, all measurements will be inaccurate.
The gauge will remember the last zero point. It is generally a good
idea however, to set the zero point whenever the gauge is switched
on, and when a different transducer is used. This will ensure that the
zero point is correct.
To set the zero point:
1
Plug the transducer into the gauge
ensuring that the connector is fully
engaged.
The wearface of the transducer should
be clean and free of any debris.
2
Press the On/Off button to switch the
gauge on.
3
Press Menu/Calibration/Zero Set and
apply couplant to the zero disk.
4
When prompted, press the
transducer on to the zero disk,
making sure it is flat against the
surface.
The display will show a thickness value
which is constantly updating. The
stability of the reading is indicated on the
stability bar to the right of the display. A
valid reading has a stability of 5 or more.
5
Remove the transducer from the zero
disk. The last reading is held on
screen. If not representative, repeat
Step 4.
Excessive use of couplant can result in a
distorted reading when the transducer is
removed from the surface.
6
Press 'Zero' to set the zero point.
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