Power Quality Analyzer PITE 3561

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PITE 3561 User Manual

PITE 3561 Power Quality Analyzer is Smart measurement and analysis for 3-phase/4-wire system, Compatible with EN50160 and testing frequency up to 1000Hz

 Why PITE?

An Easy-to-use power quality tools is a ”must-have” for any person who maintains or troubleshoots three phase power. PITE 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.

Optional Current Clamps:


  • 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 PITE Data View software for convenient analyzing of testing result

Technical Parameter

  • LCD: 7” 320 x 240 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

Technical Specification

Specifications Range Accuracy
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: ±0.5%

Current: ±0.5%

Frequency: ±0.01Hz


NOTE: Take L1 frequency as total measurement frequency.

Harmonics Voltage: Total harmonic +1~50th

Current: Total harmonic +1~50th

K-factor: 0-10

Voltage: ±0.1(%r)

Current: ±1%


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

Inter-harmonics Voltage: total inter-harmonic +1~20th

Current: total inter-harmonic +1~20th

Voltage: ±0.1(%r)

Current: ±1%


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: ±1%

Apparent power: ±1%

Reactive power:±1%

Power factor: ±0.005

Active energy: ±1%

Apparent energy: ±1%

Reactive energy: ±1%h

Average power factor: ±0.005

Unbalance 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


Sags(Dips)/Swells 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


Fluctuation Voltage fluctuation:0.1%~10.0% ≤±5%
Flicker  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 Inrush Current, Inrush duration, Arms ½, Expected Time, Max. Amp, Min. Amp, Threshold Amp ±10ms
Transient 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 frequency: 200KHz

Min frequency: 100Hz