Quantum Equipment Co. Ltd. Is the manufacturer of High Precision Karat Analyzer for Precious Metals & Hallmarking Centers. The High Precision Karat Analyzer is a device used for fast, non-destructive and accurate karat measurement of precious metals and finished jewellery. Quantum Equipment Co. Ltd. Is an ISO 9001:2000 certified company. The High Precision Karat Analyzer for Precious Metals & Hallmarking Centers is available as `Karatmaker-PIN`. With the usage of a high-resolution silicon PIN-diode detector in conjunction with digital signal processing, the Karatmeter PIN achieves best detection limits and highest precision. It is equipped with modern, user friendly software and exact evaluation algorithm and is the proper analyzer for precisely calculating the composition of solid pieces of jewellery, precious coins and other noble metals. The analysis is performed non-contact and non-destructive is less than a minute. The result is given in weight % or karat might be printed as a certificate.