The CAI GPA 2000 Gas Purity Analyzer is capable
of providing the end user with a continuous gas
measurement or, if desired, the ratio of
gases in a binary gas mixture based on
de fysiska egenskaperna hos de närvarande gaserna.
The speed of sound in a gas depends on the temperature, specific heat and molar mass of the gas. By precisely measuring the speed of sound via a resonant acoustic cell, together with the temperature of a gas mixture and knowing the thermodynamic properties and molar mass of the gases present, the GPA 2000 can determine the composition of a gas mixture with an accuracy of approximately 0.1%.
The GPA 2000 is equipped with data on nearly 500 gases characterized by a wide range of concentrations. This gas information is easily selected from the front panel or remotely controlled via a digital interface, allowing over 50,000 different mixtures to be measured. Gases can be added to data tables which can be user-defined gas mixtures that can be treated as a gas species.
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