N4L PPA500 series power analyzer

The (Newtons4th) N4L PPA500 series power analyzer is the little brother of the PPA1500 series. But don’t be fooled by the word “little”: the PPA500 series has an impressive list of specifications that many a power analyzer cannot measure with. Certainly not in this price range.

To name but a few specifications: a bandwidth of 10mHz to 500kHz, a voltage range from 1Vpk to 2500Vhp (1000Vrms) and through the built-in shunt a current range from 100mA to 300Apk (20Arms) or 300mAh to 1000Apk (30Arms), depending on the model of your choice. All PPA models come with an external shunt input per channel, for when you need to measure higher currents. External shunts and current clamps are also available.

Model series of the N4L PPA500 series power analyzer:

  • PPA510, 1 channel
  • PPA520, 2 channels
  • PPA530, 3 channels
  • PPA510-HC, 1 channel high current
  • PPA520-HC, 2 channels high current
  • PPA530-HC, 3 channels high current


A number of unique features of all N4L Power Analyzers:

  • The internal current point. In order to measure such a range of current correctly (100mA to 300Apk in 8 ranges with a frequency range of 0-500kHz), most suppliers use 2 shunts instead of one. However, the disadvantage of this is that you need to change connections and the extra risk of blowing up the small shunt.
  • Another advantage of Newtons4th power analyzers is the No Gap measurements. N4L uses a Discrete Fourier Transform (DFT) technique instead of FFT. It analyzes the input signals in real time, so you don’t miss events in your calculations.
  • A third unique feature is the accuracy of the phase measurement, which is 0.01deg + (0.01thg×kHz). Especially in power calculation (W) for inductive or capacitive loads, this is of great importance with regard to measurement errors.


Open the datasheet for detailed specifications of this product.

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