Descriptors | Classification systems, Electrical measurement, Conformity, Power measurement (electric), Indicating device components, Marking, Varmeters, Response time, Ammeters, Accuracy, Tolerances (measurement), Heating tests, Voltmeters, Electrical testing, Resistors, Signal devices, Instrument scales, Accessories, Vibration testing, Analogue signals, Frequency measurement, Wattmeters, Ohmmeters, Temperature, Magnetic fields, Testing conditions, Phase measurement (electric), Impact testing, Working range, Electrical measuring instruments, Errors, Damping, Symbols, Impedance measurement, Instrument shunts |