Abstract

To carry out the metrological performance of thermal mass gas meters under different measurement conditions, an experimental setup has been designed, and six kinds of nature gas with different components and air are used as the measure medium. In this experiment, a roots flow meter is set as the standard meter. The experimental results show that after adding a component identification function, the measurement precision of thermal mass gas meters is much better than that without medium component identification function. Some suggestions are proposed on promoting the use of thermal mass gas meter according to the experimental results

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