{"title":"Tools \u0026 Equipment\/Gemological Tools\/Gauges \u0026 Calipers \/Dials \u0026 Analog Calipers","description":null,"products":[{"product_id":"presidium-computer-gemstonehtml","title":"Presidium Gem Computer Gauge (PGCG)","description":"\u003cp style=\"text-align: center;\"\u003ePresidium Gem Computer Gauge\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eA convenient digital gauge that measures actual gemstone dimensions and estimates gemstone weight and identity.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003ePresidium Gem computer Gauge measures the dimensions and estimates the weight of loose and mounted gemstones with precision, speed, and ease. after entering the weight and the measurements of a gemstone, PGCG narrows its identity by computing its S.G. value.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eWith PGCG's computer interfacing, gemstone measurement records can be easily imported and printed. PGCG also comes with a CD-Rom that lists the S.G. value, R.I. value, and hardness measurements of 133 common gemstones in the market for handy refernece. \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ciframe src=\"\/\/www.youtube.com\/embed\/y-kXNRs1vCA\" frameborder=\"0\" width=\"425\" height=\"350\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eFeatures\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures from 0.0 to 25.0mm\u003c\/li\u003e\n\u003cli\u003eAccuracy: 0.01mm \/ Tolerance: 0.02mm\u003c\/li\u003e\n\u003cli\u003eDigital mm\/ct display\u003c\/li\u003e\n\u003cli\u003eAutomatically shut-off when ideal for 10 minutes\u003c\/li\u003e\n\u003cli\u003eAuto-magnetic shut-off when placed in carrying case\u003c\/li\u003e\n\u003cli\u003eComputer interface display with CD and USB (universal Serial Bus) Connectivity\u003c\/li\u003e\n\u003cli\u003eAttachment for high setting jewellery provided\u003c\/li\u003e\n\u003cli\u003eSpecific Gravity (S.G.) dictionary for quick and easy reference included\u003c\/li\u003e\n\u003cli\u003eCD-ROM containing information on 133 gemstones (e.g., S.G. value, R.I. value and hardness) included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg title=\"logo\" src=\"{{media%20url=\" wysiwyg alt=\"logo\" width=\"184\" height=\"120\"\u003e\u003cimg title=\"logo\" src=\"{{media%20url=\" wysiwyg alt=\"logo\" width=\"184\" height=\"120\"\u003e\u003c\/p\u003e\n\u003cp\u003eDimensions and Weight\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003elength: 97mm (3.82 inches)\u003c\/li\u003e\n\u003cli\u003eWidth: 61mm (2.4 inches)\u003c\/li\u003e\n\u003cli\u003eHeight: 16mm (0.63 inches)\u003c\/li\u003e\n\u003cli\u003eWeight: 120g (without battery)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg title=\"logo\" src=\"{{media%20url=\" wysiwyg alt=\"logo\" width=\"283\" height=\"200\"\u003e\u003c\/p\u003e\n\u003cp\u003eBenefits\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emeasures actual gemstone dimensions and estimates gemstone weight and identity\u003c\/li\u003e\n\u003cli\u003emeasures 74 gemstones and 9 different shapes\u003c\/li\u003e\n\u003cli\u003eAccurate measurement to 0.01mm \u003c\/li\u003e\n\u003cli\u003eDirect carat conversion for round brilliant-cut diamonds\u003c\/li\u003e\n\u003cli\u003eClear and visible display for ease of reading measurements \u003c\/li\u003e\n\u003cli\u003eLight and portable instrument that can be used anywhere\u003c\/li\u003e\n\u003cli\u003ePC connectivity for ease of importing and printing measurment results\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePower and battery\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x CR-2450 3V battery (about 80 hours of continuous use)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMeasurement range\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e0.00mm to 25.00mm or 0.000ct to 57.343ct* (based on round brilliant cut)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePackage contents\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e Presidium Gemstone Computer Gauge\u003c\/li\u003e\n\u003cli\u003eCR-2450 3V battery\u003c\/li\u003e\n\u003cli\u003eHigh setting jewellery attachment \u003c\/li\u003e\n\u003cli\u003eMini CD-ROM \u003c\/li\u003e\n\u003cli\u003eUSB cable \u003c\/li\u003e\n\u003cli\u003eUser handbook\u003c\/li\u003e\n\u003cli\u003eWarranty card\u003c\/li\u003e\n\u003cli\u003eProtective box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg title=\"logo\" src=\"{{media%20url=\" wysiwyg alt=\"logo\" width=\"159\" height=\"120\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"logo\" src=\"{{media%20url=\" wysiwyg alt=\"logo\" width=\"120.\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"A\u0026A Jewelry Suppy","offers":[{"title":"Default Title","offer_id":42927953248451,"sku":"51-319","price":345.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0054\/6796\/3427\/files\/51-319-new.jpg?v=1709518387"},{"product_id":"presidium-dialhtml","title":"Presidium Analog Dial Gauge (PDG)","description":"\u003cp\u003eThe Presidium Analog Dial Gauge delivers precision gemstone measurement without electronic components. This professional-grade instrument simultaneously displays millimeter dimensions, carat weight estimates for round brilliant diamonds, and US ring sizes on a single easy-to-read dial. Its patented anvil design and friction-free rack-and-pinion mechanism ensure consistent accuracy across measurements from 0.0 to 23.0mm. The gauge accommodates ring sizes 2-13 and carat weights up to 3.65, making it indispensable for jewelers and gemologists. Includes a high-setting attachment, protective carrying case, and comprehensive gemstone weight reference guide. Built to exacting standards with no batteries required and backed by a one-year manufacturer's warranty.\u003c\/p\u003e","brand":"A\u0026A Jewelry Suppy","offers":[{"title":"Default Title","offer_id":42931201802435,"sku":"51-344","price":195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0054\/6796\/3427\/files\/51-344-new.jpg?v=1709518386"}],"url":"https:\/\/aajewelry.com\/collections\/tools-equipment-gemological-tools-gauges-calipers-dials-analog-calipers.oembed","provider":"A\u0026A Jewelry Supply","version":"1.0","type":"link"}