No damage testing, cleaning and environmental protection. the purity can be calculated through measuring density of precious metals.features of no damage on sample,simple operation, Measuring just need 15 seconds,convenience,stabilization,and accuracy. Multi-mode,gold mode,platinum mode,other precious metals mode can be shifted.
CGOLDENWALL AU-120K Digital Electronic Gold Density Tester Gold Karat Testing Balance Gold Quality Testing MachineGold AnalyzerK Value AnalyzerPrecious Metal Analyzer - - Amazon.com
300g Density Meter,Gold Jewelry Testing Machine,Electronic Gold Tester , Find Complete Details about 300g Density Meter,Gold Jewelry Testing Machine,Electronic Gold Tester,Density Meter,Jewelry Testing Machine,Gold Tester from Testing Equipment Supplier or Manufacturer-Napco Precision Instruments Company Ltd.
Precision electronic weighing scale. Accurate, Reliable and non destructive testing method. Provision to enter water temperature for temperature compensation of; density value. Over load and shock load protection for weighing scale. Display of gold purity in % as well as karat. Gold purity checking in gold-copper-silver, gold-silver, gold ...
AU-120K Digital Electronic Gold And Platinum Density Tester, Gold Karat Testing Balance, Gold Quality Testing Machine FOB Price: US $399-1,299 / Piece Min. Order: 1 Piece
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Gold Testing Acid Kit – which may include either hydrochloric and nitric acids along with a dropper, or particular samples for each type of gold Karat acids 10K acid, 18K acid, 22K acid, etc. Black Gold Testing Stone – you must thoroughly rub it with a 320 grit sandpaper, wash and rinse it before making each test.