An instrument which measures a phase difference between two oscillations or waveforms, especially that between an alternating current and the corresponding voltage (hence giving the power factor).
Origin
Late 19th century. From phase + meter, after German Phasenmeter.
Definition of phasemeter in US English:
phasemeter
nounˈfeɪzmiːtə
Electricity
An instrument which measures a phase difference between two oscillations or waveforms, especially that between an alternating current and the corresponding voltage (hence giving the power factor).
Origin
Late 19th century. From phase + meter, after German Phasenmeter.