Name |
Purpose |
Ammeter (Ampermeter) |
Measures current |
Capacitance meter |
Measures the capacitance component |
Current clamp |
Measures current without physical connection |
Curve tracer |
Applies swept signals to a device and allows display of the response |
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 |
Measures the equivalent series resistance of capacitors |
Frequency counter |
Measures the frequency of the current |
Leakage tester |
Measures leakage across the plates of a capacitor |
LCR meter |
Measures the inductance, capacitance and resistance of a component |
Megger tester |
Measures Resistance of an Winding of Motor or Generator And Measures Earthing's Resistance |
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, allows measurement of frequency, timing, peak excursion, offset, ... |
Psophometer |
Measures AF signal level and noise |
Q meter |
Measures Q factor of the RF circuits |
Tachometer |
Measures speed of motors |
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 power in a circuit |
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. (Includes: DVM and VTVM) |
VU meter |
Measures the level of AF signals in Volume units |
Cathode Ray Oscilloscope (CRO) |
Check transistor |