Goldanalytix GOLDSCREENPEN, Instruction Manual

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This effect is particularly strong for silver coins with a purity of less than 958 . This is why that,
especially for typical commemorative silver coins, it is not possible to establish the silver content
with the GoldScreenPen. It rather shows you that the conductivity is plausible for silver (>30
MS/m) and the dimensions and the weight have to be examined very thoroughly.
Medals and jewellery can not be tested successfully by measuring the conductivity. Even if the
piece is completely contiguous and covers the entire measuring field, the alloy is not known in
detail. In the best case you know the gold content, however all other components of the alloy
will have unforeseeable influences on the conductivity. If you want to test jewellery, we
recommend our
CaratScreenPen that is able to establish the jewellery alloys’ gold contents.
Particularities of the 5 DM commemorative coins of the years from 1979 (Otto Hahn) to 1986
(Frederick the Great): This series of commemorative coins has a weight of 10.0 g (previous years
had 11.2 g) and consists of a copper-nickel alloy with nickel core (previous years had silver 625).
These coins show a conductance of about 2.4 MS/m (nominal value of silver 625 is of about 47.0
MS/m).
The GoldScreenPen is a perfect device for the establishment of the conductivity values of metals
and genuine precious metals - but in the end, you are the one responsible for your final
transactions.
We therefore do not assume any responsibility for any financial losses that result from the use
of the GoldScreenPen.
An absolute secure determination can only be provided by a total chemical analysis. The
GoldScreenPen can only show you which conductivity value the tested material exhibits and
which metal / which alloy it MIGHT be. We recommend combining several methods for
maximum certainty. Please also have a look at our website
www.gold-analytix.com/knowledge .