Presidium Electronic Gemstone Gauge Manual - iGem Instruments

Presidium Electronic Gemstone Gauge Presidium Electronic Gemstone Gauge
  1. Display
  2. Range: 0.00mm-25.00mm.
    Power down function will automatically shut down the unit after 10 minutes from the last measurement.

  3. Zero Reset Button
  4. Slider
  5. Is controlled bythe thumb. Gauge should be held in the palm of the hand.

  6. Fixed Rod
  7. Slider Platform
  8. Wedge Shaped Points

    For measuring:

    • stones mounted in rubbed over settings, (fig. a)
    • interiors of empty settings, (fig. b)

  9. Projecting Probe

    For measuring

    • depth of mounted stones, (fig. c)
    • widths and lengths of larger, loose stones, especially fancy cuts.

  10. Jewelry Accessory

    For measuring depth of stones

    • in high settings, (fig. d)
    • in settings with small holes.
  11. Reset to zero after attaching the accessory.

  12. Battery Cover

    See Rear View.

Presidium Electronic Gemstone Gauge
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