Principle: Aczets Karat tester can distinguish the real precious metal from the fake material. The result is based on the specific gravity of the sample. USB Connection: USB also be connected to this device for easy operation ( Data Transfer). Ease: Thanks to its inbuilt measuring software which makes it easy to operate. Application: It can be used in: Gold Valuer Jewellery Showroom Bank & Financial Institution Fake Gold Detector Pawn Shops Optional: Non-editable software connectivity to human errors. FUNCTIONS: GOLD- Users can select either copper or silver individually or both as mixed material in GOLD for purity measurement. PLATINIUM- Users can select either palladium or Ruthenium or Cobalt individually as mixed material in PLATINUM for purity measurement. Advantages: To Detect Fake Gold Jewellery. To determine the purity of GOLD in % / Karat. Non-destructive. Precious metals like Platinum & Silver can be tested in Optional mode. It can be used as a normal scale or Densimeter as the need arises.