SFT9400 series of X-ray fluorescence coating thickness measuring instrument 
 SFT9000 series of the best models "SFT9455", equipped with 
 75W X-ray tube and dual high-speed testing devices (semiconductor test equipment 
 Proportional counter is set ten). For "thin film", "metal 
 Film, "" extremely small part of the determination, "and all other coating thickness measurement 
 Statutory requirements of high performance film thickness measuring instruments. And 
 "SFT9455" function in the coating thickness measurement can be based on 
 To qualitative analysis and materials for foreign body composition analysis.