Desciption Adsorption by Gravimetry. Using a patented design Magnetic Suspension Balance almost all kind of Gas Adsorption measurement can be performed. Isosorp Gas Models Modes of Operation Pressure range Sample Temperature Range LP-Static Automatic Static Vacuum – 30 bar 77K-770K LP-Flow Automatic flow & static Vacuum-30 bar 77K-770K HP-Flow Automatic flow & static Vacuum – 400 bar 77K-770K HP-Flow Manual Static Vacuum – 500 bar 77K-770K Applications : Adsorption Isotherms & Kinetics Surface Area & Porosity, Adsorption & Solubilities, Gas storage, Diffusion & Permeation, Separation, Temperature Programmed Desorption.