Computerised gemstone gauge (presid PGCG) 20x & 30x) for very small stones

for very small stones

The Gemtest-PGI must be calibrated regularly to ensure it is working properly

large weighing platform

SIZE OF WEIGHING PLATFORM: 63 x 75mm

or similar

Computerised gemstone gauge (presid PGCG) 20x & 30x) for very small stonesSummary AS A GEM GAUGE You might think to yourself: rather than measure a stone, look up charts and formulae, then use a calculator to work out the weight can't this all be done automatically, with a computer built into the gauge?? The answer is yes. Select the stone on the display, measure it, the weight will be displayed. This is the top model of gauge from the best manufacturers of electronic gem testing equipment. AS A GEM TESTER Weigh the stone