List of electrical and electronic measuring equipment

Below is the list of measuring instruments used in electrical and electronic work.

Name	Purpose
Ammeter	Measures current
Audio analyzer	Analyzes (analog and digital) systems handling audio signals
Capacitance meter	Measures the capacitance of a component
Cos Phi Meter	Measures the power factor
Distortionmeter	Measures the distortion added to a circuit
Electricity meter	Measures the amount of energy dissipated
ESR meter	Mesures the equivalent series resistance of capacitors
Frequency counter	Measures the frequency of the current
LCR meter	Measures the inductance, capacitance and resistance of a component
Microwave power meter	Measures power at microwave frequencies
Multimeter	General purpose instrument measures voltage, current and resistance (and sometimes other quantities as well)
Network analyzer	Measures network parameters
Ohmmeter	Measures the resistance of a component
Oscilloscope	Displays waveform of a signal
Psophometer	Measures AF signal level and noise
Q meter	Measures Q factor of the RF circuits
Signal analyzer	Measures both the amplitude and the modulation of a RF signal
Signal generator	Generates signals for testing purposes
Spectrum analyser	Displays frequency spectrum
Sweep generator	Creates constant-amplitude variable frequency sine waves to test frequency response
Transistor tester	Tests transistors
Tube tester	Tests vacuum tubes (triode, tetrode etc.)
Wattmeter	Measures the power
Vectorscope	Displays the phase of the colors in color TV
Video signal generator	Generates video signal for testing purposes
Voltmeter	Measures the potential difference between two points in a circuit.
VU meter	Meaures the level of AF signals in Volume units