FenixES Gas Prosimeter is compatible with the usage of helium and nitrogen. The cores with 1’’ and 1.5’’ diameters’ porosities can be calculated with this instrument. With high quality components, it is designed for electronic calculation and records in accordance with the need. It is stylish and compact. For specific needs, it can be designed in different lenghts and diameters, with or without a holder of core piston.