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7.6.1 Size
7.6.2 Operating instructions
1) Adjustment
a. Insert the small bore pickup carefully into the instrument, and then mount it on the column connectors.
Lock reliably;
b. Adjust the column carriage slightly higher. Lower it until the pickup contacts the workpiece. Be careful,
especially as the pickup contacts with the workpiece; In general, keep the pickup body level first, and then
tune the stylus position;
c. The small bore pickup is not the same as the standard pickup and the groove bottom pickup, and its
guide is behind the stylus. As it contacts the workpiece, the stylus is high first and then low;
2) Measure
3) Adjust the stylus near the center
7.6.3 Calibration
1) Calibrate the small bore pickup using the multi-line calibration specimen;
2) Calibrate.
a. Measure the multi-line calibration specimen;
b. Read the Ra value;
c. Compare it with calibration specimen.
7.6.4 Precautions
1) Be careful to plug the pickup. Do not touch the guide and the stylus, which are key parts of the instrument.
Try to hold the base of the pickup guide bracket (front body);
2) The guide of small bore pickup is behind the stylus, so the method to adjust stylus position is not the same
as the standard pickup;
3) After operating the pickup, place it in the package.
7.7 Extension rod
To use the extension rod, the depth of the pickup into the workpiece can be increased. The length of the extension
rod: 50mm.
