Handheld presidium gem tester +3x AAA batt (model PGI)

SUMMARY Special price until 5 August.  Handheld model. The first gem tester that is truly pocket-size, with the finest probe tip, will test stones down to 2pts in size. Works on any stone, loose or mounted, even uncut.  Guarantee: 1 year. DETAILS - replaceable probe (i.e. if you break it) - latest technology, this is the only tester of this sophistication that is pen-size, operated with one hand, slips into a pouch, truly pocket-size - super-fast warm-up time between tests, just 3 seconds - auto-power-off if not used for 10mns, battery indicator - takes 3 standard batteries (supplied) or can be powered from a USB cable (not supplied).  - will give an indication on 31 different gemstones: Glass Beryl group: Aquamarine, Emerald, Goshenite, Helidor, Morganite. Tanzanite. Jade (Nephrite) Jade (Jadite) Peridot Tourmaline group: Paraiba, Rubellite, Tourmaline Garnet (Grossular-Andralite group): Demantoid garnet, Hessonite, Tsavorite Quartz group: Chrysophrase, Amethyst, Adventurine, Citrine, Quartz Spinel Chrysoberyl Topaz Corundum group: Ruby, Sapphire Diamond NOTE: there is overlap between readings (see our chart), this means the display will usually give a list of 2 or 3 or 4 stones; you can narrow this down by entering its colour - but you will end up with more than one possible stone, and you then have to decide which one it is.   ACCESSORIES Included: Strong nylon carrying pouch USB cable (connects to any computer/mobile device / USB-mains adaptor).  Disclaimer All testers  must be used in conjunction with the user's skill, knowledge and experience. Under no circumstances shall QUICKTEST be liable for direct or indirect loss sustained in connection with any item. Nothing is 100% accurate, you must understand the limitations of any tester you buy. We also suggest you regularly test known samples to check for any obvious faults. Full support given for items you buy from QUICKTEST. Alternative gem testers Please note, none of these testers will distinguish natural stones from synthetic stones. "Synthetic" is a scientific term meaning 'made by man in a factory/laboratory to the same formula found in nature', the two are usually indistinguishable.  Model Tests mounted stones [1] Tests  Diamond Tests  Moissanite Tests Ruby /  Sapphire Other stones Standard Presidium (GEMTEST-P2) ✔ ✔ Shows up as diamond ✔ 17 stones Presidium Duo gem tester (GEMTEST-DUO-II) [2] ✔ ✔ ✔ [3] Digital refractometer by Presidium (REFRACT-DIGI-PRESID) ✘ ✔ ✔ ✔ 55 stones Refractometer (optical not electronic) (Refract-L) ✘ ✘ ✘ ✔ Hundreds of stones [4] [1] All testers test loose stones but not all can test mounted (set in jewellery) stones. [2] The probe / analogue meter will test mounted stones, the digital meter will only test loose stones. [3] The probe / analogue meter: 17 stones; the digital meter: 40 stones. [4] Skill and practice is required to use an optical refractometer, instructions are not included, see any textbook about gemmology…or the internet.