1. Can show directly the karat、density of Gold and purity%、density of platinum and density of the other metals.
2. Can distinguish between the real precious metal and the fake metal.
3. No more stains and scratches left on your Gold after testing.
4. Only 10 seconds to measure karat、density of gold and purity %、Density of platinum (Pt).
5. Based on the marketing demand, a special software was designed. After measuring, the result will be showed, seen as "HI" or "LO"。The display shows "HI" when the value > upper limit;the display shows "LO" when the value < lower limit 。The value of upper limit and lower limit are set by user。
6. Can not measure when a sample has air hole and with set stones for metal pieces
7. Can be set the ratio of copper to silver by user. Such as :7:3、6:4、5:5