Abstract
The article describes the method of conducting representative research to determine the effect of pure gaseous hydrogen and a mixture of hydrogen and natural gas (methane) on the performance and metrological characteristics of household gas meters. The experimental research has been carried out in two stages. 84 membrane and rotary meters have been selected for research. The main aspect of the need for such research is the safety of meters. Before the start of the tests and after each stage, the metrological characteristics of all gas meters on the reference prover are determined. At the first stage, a set of static tests is performed, according to which the internal and external short-term and long-term (42 days) tightness of gas meters are checked. A prototype of the installation layout has been developed to conduct experiments on determining the tightness. The second stage is to conduct a dynamic series of tests. Gas meters are assembled according to the developed scheme and installed for testing on the model of the gas distribution network system. It is recommended to use a drum-type meter as a reference gas meter. The criterion for determining the effect of hydrogen and gas meter is the established change in metrological characteristics after the study.
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