Slowly close the Slider (Fig. 2.3), the reading will be
shown directly on the Dial Face. With one measuring
done, the Dual Dial Face will show you three readings:
diameter in millimeter, weight in carat and ring size.
Fig. 2.3
Functions of your Presidium Dial Gauge
Use the Wedge Shape Points when measuring:
- Stones mounted in rubbed over settings
- Interiors of empty settings
- Ring size
Use the Projecting Probe when measuring:
- Depth of mounted stones
- Width and length of large, loose stones, especially
fancy cuts
Use the Jewelry Attachment when measuring:
- Depth of stones in high settings
- Depths of stones in settings with small holes
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