Portable XRF Analyzer is a powerful and widely used portable instrument for elemental analysis, which can be handheld and is easy to use. Its working principle is based on X-ray fluorescence spectrometry, which has the characteristics of high precision, rapid analysis, simultaneous analysis of multiple elements and non-destructive, etc. It plays an important role in the fields of geological and mineral exploration, analysis of metal materials, petroleum and chemical industry, and environmental monitoring. It plays an important role in geological and mineral exploration, metal material analysis, petrochemical industry and environmental monitoring.