Since 2002, 1000 units have been used all over the world for these applications to meet the critical needs from our customers to analyze the sample without cutting it. In 2012, an intuitive MESA-50 X-ray Fluorescence Analyser was released. It became every popular in a very short amount of time, and in 2013 a new type of MESA-50 with a big sample chamber has been added to the MESA-50 series. It is equipped with the sophisticated LN2-free detector. As/Sb analysis function and Multilayer Film FPM are available as options.