Electrical measuring instruments - X-t recorders - Part 2: Recommended additional test methods (IEC 61143-2:1992); German version EN 61143-2:1994— 6 стр.
Electrical measuring instruments - X-t recorders - Part 2: Recommended additional test methods (IEC 61143-2:1992); German version EN 61143-2:1994— 6 стр.
Measuring and control; electrical measuring instruments; terminal markings for switchboard meters, panel meters and measuring transducers for the measurement of power and power factor— 11 стр.