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PQA-3561 Power Quality Analyzer

  • Smart measurement and analysis for 3-phase/4-wire system
  • Compatible with EN50160 with testing frequency up to 1000Hz

An Easy-to-use power quality tools is a ”must-have” for any person who maintains or troubleshoots three phase power. Kongter three-phase power quality meters help you locate, predict, prevent and troubleshoot problems in power distribution systems. We offer a full range of trouble-shooters for the prevention and analyzing of the power quality problem. It is not only your problem solver, but also money saver. 

PQA-3561 Power Quality Analyzer_Catalog


  • Portable design and colorful touch screen
  • Applied to standard of EN 50160
  • Could test 3-phase volt, null line volt, 3-phase current, null line current, etc.
  • Up to 50 times harmonic testing with frequency spectrum graph
  • Power testing: 3-phase apparent power, active power, reactive power, power factor, and 3-phase electric power.
  • 3-phase unbalance testing with vivid chart
  • Record at least 40 times of surge current
  • Testing for wave motion, short-time flicker and long-time flicker
  • Record up to 40 times of sag and swell
  • Could have long-time record for basic (stable) power quality parameter. Recording time interval adjustable between 1 second and 30 minutes.
  • Digital oscilloscope, checking waveform for voltage and current signal
  • With Kongter Data View software for convenient analyzing of testing result




Voltage, Current & Frequency

Voltage: 10~700V (true rms)
Current: 0.5~3000A (true rms, with relevant CT)  
Neutral current: 0.5~25A (true rms)
Current peak: 0-3000A
Voltage peak: 0-1000V
Crest factor: 0-10
Frequency: 30~1000Hz

Voltage: ±0.2%
Current: ±0.5%
Frequency: ±0.01Hz

NOTE: Take L1 frequency as total measurement frequency.


Voltage: Total harmonic +1~50th
Current: Total harmonic +1~50th
K-factor: 0-10

Voltage: ±0.2(%f)
Current: ±0.2(%f)

Harmonic Power

Total harmonic: +1~30th
Total active harmonic power: ∑P

Total reactive harmonic power: ∑Q
Total positive active harmonic power: +∑P
Total negative active harmonic power: -∑P
Total positive reactive harmonic power: +∑Q
Total negative reactive harmonic power: -∑Q



Voltage: total inter-harmonic +1~20th
Current: total inter-harmonic +1~20th

Voltage: ±0.2(%r)
Current: ±0.2(%r)

Power & Energy

Active power: 0.05~700KW
Apparent power: 0.05~700KVA
Reactive power: 0.05~700KVAR
Power factor: 0.00~1.00
Active energy: 0.01~10000kWh
Apparent energy: 0.01~10000kVAh
Reactive energy: 0.01~10000kVARh
Average power factor: 0.00~1.00

Active power: ±0.5%
Apparent power: ±0.5%
Reactive power:±1%
Power factor: ±0.005
Active energy: ±0.5%
Apparent energy: ±0.5%
Reactive energy: ±1%
Average power factor: ±0.005


Fundamental voltage: 10~700V (true rms)
Fundamental current: 0.5~1000A (True rms)
Fundamental frequency: 40~70Hz
Phase angle: 0~360o
Unbalance: 0.0%~100%

Voltage: ±0.5%
Current: ±0.5%
Frequency: ±0.01Hz
Phase angle: ±0.3 o
Voltage unbalance: ±0.2%

NOTE: Take L1 frequency as total measurement frequency.

Data Recording

Data logging for: 3 phase voltage, current, null current, voltage harmonic (THD and 1~25 harmonics), current harmonics (THD and 1~25 harmonics), unbalance, KW, KVA, KVAR, PF, flicker and fluctuation 

Time interval: 1s~30min adjustable
Time duration:<960 hours


Voltage sag, voltage swells and instant interruption
Event characteristics listed: Start time, ending time, duration time(≥20ms) and voltage magnitude(rms1/2

Maximal event recorded: 40 times


Voltage fluctuation:0.1%~10.0%



 1min flicker, short-time(10min) and long-time(2h) flicker

1 minute short-time: ≤±5.5%
10 minutes short time: ≤±5%
2 hours long-time: ≤±5% 


Inrush Current, Inrush duration, Arms ½, Expected Time, Max. Amp, Min. Amp, Threshold Amp



Voltage transient based on 120% above of nominal voltage

Capture rate: 98.7%
Minimal detect duration: 20μs

Power wave

Measure active power, reactive power, and apparent power semi-wave and power tendency of 1 min, 3 min and 5 min. 

Semi-wave power reading±0.5%


3-phase voltage, 4-wire current, null voltage and null current waveform

Max sampling frequency: 200KHz 
Min sampling frequency: 100Hz

  • LCD: 5.7” 640 x 480 TFT touch screen
  • Input Impedance: >2MΩ,20pF
  • Measurement Range: Vrms 10~1000V
  • Current: 5A, 10A, 100A, 1000A, 1500A and 3000A
      (with customized current clamps)
  • Frequency: 30Hz~1000Hz
  • Harmonic Measurement: 1~50th
  • Inrush Current: 2000A
  • Peak Voltage: 1000V
  • Internal Memory: 16MB
  • External Memory:4GB
  • Communication Port: USB
  • W.(main unit): 1.2 kg
  • Battery: 14.4V 2000mAh
    Durable for 5 hours after full charge

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