Topics: Measurements, Measurement Systems, error, Units, Dimensions, Electrical Circuit Components, Resistors, Inductors, Capacitors, Galvanometers, Analog Ammeter, Voltmeter, power measurement, Wattmeter, energy measurement, Energy Meters, Potentiometers, Inductance, resistance, Capacitance, Cable Faults localization, Magnetic Measurements, High Voltage Measurements, Optoelectronic Measurements, Electronic Instruments, High Frequency Measurements, Cathode Ray Oscilloscope, Signal Generators, Signal Analyzers, Instrumentation Amplifiers, Nonlinear Circuits, Signal Conditioning, Electrical Wave Filters, Number Systems, Logic Gates, Boolean Algebra, Logic Families, Digital Measurement, digital Instruments, Display Devices, Electronic Recording Devices, Transducers, Data Acquisition Systems, Telemetry, Microprocessor Based Measurements