The following article presents analysis results of technical devices relevance for remote readings of electric meters. Real communiques of reading centrals with selected types of meters were charted by using different protocols for individual readings. Types of stored data, the system of their collection and results of analysis from different points of view were described. The analysis of individual data transition ratio was done initially; next, times of readings for selected types of meters, total readings of data and error rate of meters according to used transmission protocols VDEW, DLMS and SCTM were assessed for continuous period of four months. Results presented here are based in real operations and they are important for effectivity evaluation of the currently used system of electro meters remote readings and its next development.
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