Is the magnetic scale suitable for jewellery?

There are many different alloys used in jewellery, containing a wide variety of metals. Because the magnetic scale measures with such high precision, even a small amount of a ferromagnetic or paramagnetic metal (e.g., nickel, platinum) can influence the result, rendering it unreliable. For this reason, the magnetic scale is generally not suitable for testing jewellery. For jewellery testing, we recommend the CaratScreenPen. It allows you to determine the fineness of gold (karat) in jewellery and other gold-containing objects in just a few seconds.