Var-hour meters -- Part 2: Measuring instruments used in transaction or certification
Document status: Active
Watt-hour, var-hour and maximum demand indicators for telemetering -- Part 1: General measuring instrument
Document status: Active
Watt-hour, var-hour and maximum demand indicators for telemetering (FOREIGN STANDARD)
Document status: Active
Watt-hour, var-hour and maximum demand indicators for telemetering -- Part 2: Measuring instruments used transaction or certification
Document status: Active
Electroacoustics -- Random incidence and diffuse field calibration of sound level meters
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Electroacoustitcs -- Sound level meters -- Part 1: Specifications (FOREIGN STANDARD)
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