Phase Angle Voltmeter


Designed for the Synchro/Resolver and LVDT/RVDT marketplace, NAI Phase Angle Voltmeter accurately make measurements of Phase Angle, In-Phase, Quadrature, Fundamental and Total Voltage, as well as impedance, power and harmonics.


  • ATE
  • Transformer Ratio & Phase Tests
  • Amplifier Gain & Phase
  • Phase Sensitive Null Detection
  • Network Transfer Function Analysis
  • Input–Output Impedance Testing
  • Wide Band, High Sensitivity Voltage Measurements
  • Attenuator Linearity Testing
  • Harmonic Analysis
  • Accelerometer Testing
  • Phase Angle Measurements
  • Synchro/Resolver Transducer Testing
  • LVDT/RVDT Testing
  • Filter Testing–Insertion Loss, Phase Shift measurement of Power Factor & Complex Impedance Phasing of Servo Motors

Phase Angle Voltmeter 2250 front panel display

Click here to read an application note detailing the measurement of LVDT and RVDT performance using NAI's 2250 Phase Angle Voltmeter.


Function module(s) featured in products below:

ModelForm FactorFront Panel TypeInternal ReferencePhase ResolutionPhase AccuracySignal Voltage RangeReference Voltage RangeFrequency RangeInterfaces
2250ABench & RackmountHigh-Res Touch ScreenOptional 6VA0.0001°Up to 0.01°50MV to 500Vrms50MV to 500Vrms10Hz to 1MHzEthernet, USB & IEEE-488