... X-ray gold purity tester, XRF gold analyzer,X-Ray Precious Metal Tester,Precious Metal Tester,X-ray fluorescence analyzer/ ... fluorescence spectrometer,precision metal analyzer spectrometerX-Ray Precious Metal Tester(Model: SQ-8200, without computer) SQ-8200 is ... Proportional Counter with Micro processorCoated layer measurement: Coated layer thickness Range <30μmEight fans of the circulatory system, ...