This advanced computer gauge has the ability to estimate gemstone weights providing direct carat conversion for 9 different cuts and identities of 74 varying cuts.
• Measuring 0.0 - 25.0mm with an accuracy of 2 decimal places (accuracy; 0.01mm and tolerance; 0.02mm) • can also estimate your stones specific gravity (SG) using the internal stored database • a clear and visible digital LeD display screen can measure in millimetres or carat dimensions • records can easily be imported and printed for instant results when connected to your Pc (USB port) • Will measure both loose and set stones • Provided with an attachment for high settings • automatic shut-down after idle for 10 minutes preserves the battery life • automatically turns off when placed back into the protective carry case • Supplied with a cD that lists S.G, r.i values and hardness measurements of 133 of the most popular gemstones • requires 1 x 3V alkaline battery
997 2715 Price/£: 281.79
Presidium Dial Gauge PDG
Measures round brilliant cut gemstones using either carat or Millimetre dimensions. Portable and light weight, it is advised to hold the dial in the palm of either hand and control the slider with your thumb.
• can measure from 0.0 - 23mm in 0.1mm increments • Suitable to use with loose and mounted stones with open back settings, including high settings. • Has a smooth slider mechanism and a patented anvil which has a non- metallic, lubrication-free rack and pinion that prevents wear and tear • Features an inner scale display for USa ring sizes • Supplied with a gemstone weight estimation table and protective carry case
997 2717 Price/£: 130.29
Presidium Electronic Gemstone Gauge PEGG
Featuring solid-state electronics this electronic gauge measures from 0.0mm- 25mm with a 0.01mm accuracy (tolerance; 0.02ct) and quickly converts the millimetre dimension to carat weight at the press of a button
• a clear and visible digital display shows instant results whilst the smooth slider mechanism allows for trouble-free application • Suitable to use with loose and mounted stones with open back settings and is supplied with a high setting attachment. • Touch button zeroing and low battery indicator • Supplied with Presidiums Gemstone Weight estimation Table which corresponds mm to carat and a protective case with an auto-magnetic power off function • requires 1 x 3V battery
