| 摘要 |
A workpiece testing and marking system includes an apparatus for testing a workpiece and for selectively generating a signal that is representative of a result of the test. The system also includes a marker that is adapted to provide a visual indication on the workpiece. A receptacle is provided for selectively supporting the marker. The receptacle includes a locking mechanism for selectively preventing removal of the marker from the receptacle. A controller is responsive to the test result signal for controlling the operation of locking mechanism. The locking mechanism can include a sensor for generating a signal to the controller when the marker is disposed within the receptacle. If the length of time that the marker is removed from the bore exceeds a predetermined maximum, then the controller can generate a fault or alarm signal to the operator of the testing apparatus.
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