GE TransPort PT878GC User Manual page 217

Calibrating the Thickness Gauge Transducer (cont.)
a. Press
[ENTER]
b. Use the numeric keys to enter the length.
c. Press
[ENTER]
4. Press
[ENTER]
Then apply couplant B to the block surface, and hold the
transducer against the block.
5. When you have the transducer firmly pressed against the
block, press
calibration.
6. Hold the transducer steady until the Set button appears. Press
[ENTER]
to store the calibration.
IMPORTANT:
7. If you have chosen dual calibration, repeat Steps 3 through 6
above for Block 2.
8. The PT878GC asks for confirmation of the calculated and
current values.
•
Press the [
[ENTER]
to recalculate the value, or
•
[ENTER]
Press
Once you have completed calibration, the transducer should
remain calibrated until the meter memory is cleared or a dramatic
shift in ambient conditions occurs.
To leave the Zero window:
•
Press the [ ] or [ ] arrow key to move to another tab to
take readings or perform a velocity calibration.
•
[F2]
Press
confirming the sound speed value.
•
[F3]
Press
returns to Operate Mode.
Servicing the PT878GC
to open the text box.
to confirm the entry.
(Calibrate button) to prepare for calibration.
[ENTER]
(Ready button) again to perform the
Be sure to hold the transducer steady until the
GE Sensing wait cursor disappears.
] arrow key to move to the Retry box and press
on "Set" to commit the calculated value.
(Cancel) to return to Operate Mode without
(OK) to confirm the new value. The PT878GC
April 2009
9-13