Specification for indicating electrical measuring instruments: Ammeters, voltmeters and single-phase wattmeters
€22.00
IEC recommendations for instrument transformers
Instrument transformers
€269.00
Graphic (recording or chart--recording) ammeters, voltmeters, wattmeters.
Measurement of voltage with sphere-caps
Indicating ammeters, voltmeters wattmeters, frequency and power-factor meters
Electricity meters
Recording (graphic) ammeters, voltmeters and wattmeters
Electricity meters (excluding electrolytic meters)
Ammeters and voltmeters
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