EM Test DPA 500N - Rent Harmonics & Flicker Power Analyzer

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Digital Harmonics & Flicker Analyzer:

  • Compliant Analysis to IEC 61000-3-2/3 
  • Maximum 530 Volts & 16 Amps Continuous
  • Real-time Data Acquisition with Software
  • Built-in Lumped Flicker Impedance
  • Laptop with Software Included

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Harmonics & Flicker Rental Equipment



Harmonics and interharmonics are caused by modern electronic power conditioning modules. Such, mostly non-linear, modules to control loads and to reduce power consumption is the source of voltage at unwanted frequencies superposed on the supply voltage.

Voltage fluctuations caused by varying load currents may influence the luminance or the spectral distribution of lighting systems. The impression of the unsteadiness of visual sensation induced by this light stimulus is called flicker. The DPA500N harmonics and flicker analyzer is used for single phase applications.

Data Sheet User Manual


Measuring System 

Input channels

2 (1x current & 1x voltage)

Frequency range

15Hz - 3,000Hz

A/D converter

16 Bit


 Embedded processor Pentium 200MHz

Signal processor

Motorola DSP


Internal hard disk


Class I as per IEC/EN 61000-4-7

Voltage Input

Input range

10V - 530V rms


 4,000V peak


Better than 0.4% of reading

Current Input

Input range internal

16A continuous, 50A short time

Accuracy internal

Better than 0.4% of reading Better than 0.05% rel. to 16A

Input range external

Depending on CT model used. With optionally delivered CT max. 140A

Accuracy external CT

Related to 16A 2 turns better than 0.8% 5 turns better than 0.6%

General Data


0°C - 40°C

Rel. humidity

10% - 90%, non-condensing

Power supply

 85V - 255V, 47Hz - 63Hz


Max. 50W


19" 3HU: 133mm x 449mm x 500mm




Input to case 3kV rms


USB for control and data transfer

Harmonics Analysis 

As per

 IEC/EN 61000-3-2 Ed5.1 JIS C 61000-3-2 (2019) IEC/EN 61000-3-12 with ext. CT

Design as per

IEC/EN 61000-4-7 Ed.2.1 and IEC/EN 61000-4-7 Ed.1


1st - 50th order


IEC/EN 61000-4-7 for Interharmonics


PLL; accuracy better than 0.005%

Measuring window

Rectangular window with 8, 10, 12 or 16 periods)



Smoothing filter

 1st order 1,5s digital low pass filter (on/off), selectable

Anti-aliasing filter

> 90dB

Measurement duration

More than 30 hours, limited by the capacity of the hard-disk (approx. 1MB/min of measuring data)


Vrms, Irms, Ipeak, Vpeak


V, I, Phase, P, Q, S (2nd - 50th order)

Power information

P, Q, S, Power factor, THD(V), THD(I), Crest factor(V), Crest factor(I)

Flicker Analysis
As per

IEC/EN 61000-3-3 Ed3 A2

Design as per

IEC/EN 61000-4-15 230V , 50/60 Hz and 120V , 50/60 Hz

Flicker impedance (built-in)

Line: 0.24ohm + j0.15ohm

Neutral: 0.16ohm + j0.10ohm

Accuracy Pst and Plt

Better than 5%

Accuracy dmax, dc, dt

Better than 5%, according IEC 61000-4-15

Flicker data

Pst and Plt, Vrms, dmax, dc, dt P50%S, P10%S, P3%S, P1%S, P0.1%

Maximum values

Pst, dmax, dc, dt

Observation period

Min. 1min, selectable

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