Tools TeSTiNG eqUiPMeNT For SToNeS Presidium Coloured Gemstone Estimator PGT II
This professional coloured gemstone estimator quickly and effortlessly identifies gemstones from quartz, aquamarine, ruby to Diamonds and Moissanites.
• redesigned to offer a more compact and sturdy tester and features newly designed inbuilt glass and calibration (caL) test discs for reference • can separate up to 16 of the most common coloured gemstones based on their thermal conductivity providing quick and direct results via the clear analogue display • Featuring the thinnest retractable probe tip (0.6mm diameter), which can test stones as small as 0.02ct, ensuring a constant pressure between tip and stone • Metal detector buzzer • Supplied with a protective case • requires 2 x aa alkaline batteries
997 2707 Price/£: 200.99 Replacement PGT II Probe Pen
• Made from titanium this replacement pen plugs directly into the unit: 997 2707
997 2721 Price/£: 59.59
Presidium Refractive Index Metre Prim II
a professional, compact tester for measuring the quantity of light reflected through Diamonds, Moissanites and other polished coloured gemstones.
• This pocket-sized refractor measures a wide range of r.i values from 1,000 - 3,000, much more than an traditional refractometer • Digital LeD screen • Provides a clean, simple and quick testing facility with no need for r.i liquid, used in traditional methods • can separate diamonds, moissanites as well as other diamond stimulants such as high zircon, strontium titanite and other transparent gemstones with flat, polished surfaces • Features a pinhole-sized light reflectivity measure • a cover cup with blackout interior to ensure accurate results and a protective cylinder (for the platform) • in-built refractive chart for easy r.i reference readings for 55 stones (above 1.8 reading) and an in-built 8 piece gemstone holder • complementary software cD is also included featuring a dictionary database of over 50 gemstones and their properties and possible origins, as well as a program that allows the user to enter known properties of gemstones such as; colour, S.G (specific gravity) value and hardness • requires 1 x 9V alkaline battery
