STN - Slowakische nationale Normen

Electricity metering equipment (a.c.) - Particular requirements -- Part 21: Static meters for active energy (classes 1 and 2)

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Electricity metering equipment (a.c.). Particular requirements. Part 21: Static meters for active energy (classes 1 and 2)

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Electricity metering equipment - Particular requirements - Part 21: Static meters for AC active energy (classes 0,5, 1 and 2)

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Electricity metering equipment (a.c.) - Particular requirements -- Part 22: Static meters for active energy (classes 0,2 S and 0,5 S)

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Electricity metering equipment (a.c.). Particular requirements. Part 22: Static meters for active energy (classes 0,2 S and 0,5 S)

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Electricity metering equipment - Particular requirements - Part 22: Static meters for AC active energy (classes 0,1S, 0,2S and 0,5S)

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Electricity metering equipment (a.c.) - Particular requirements -- Part 23: Static meters for reactive energy (classes 2 and 3)

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Electricity metering equipment (a.c.). Particular requirements. Part 23: Static meters for reactive energy (classes 2 and 3)

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Electricity metering equipment - Particular requirements - Part 23: Static meters for reactive energy (classes 2 and 3)

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Electricity metering equipment (a.c.) - Particular requirements - Part 24: Static meters for reactive energy at fundamental frequency (classes 0,5 S, 1 S and 1)

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