910-198E
8/19/03
Page 3-6
Model 8500
To perform a manual QCAL, simply remove the target ball from the
probe tip and press the QCAL button located on the side of the probe.
The user may resume measurements immediately. A manual QCAL
may be performed as often as desired. If the test material is very thick,
or requires great accuracy, the operator can choose to perform a
manual QCAL prior to each new measurement.
Note:
For best results, keep the probe in the same position during
the manual QCAL as it will remain during subsequent mea-
surements.
In order to suppress the Auto QCAL feature, which by default remains
ON, and rely only on the manual QCAL, follow the steps below:
1.
Press [SETUP].
2.
Use the [ ] and [ ] keys to select Calibration and press
[ENTER].
3.
Use the [ ] and [ ] keys to select Auto QCAL.
4.
Use the [
] or [
] key to turn the function OFF.
Note:
Performing a manual QCAL is always an option, even when
the Auto QCAL feature is active.
3.3
Periodic Verification
The Magna-Mike 8500 is classified as an operator-calibrated
instrument. Panametrics-NDT recommends establishing periodic
checks to verify that acceptable accuracy is being maintained while the
gage is in use.
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