Sonel PQM-700


The Sonel PQM-700 Power Quality Analyser measures and records electrical parameters according to IEC 61000-4-30 Class S. It is a cost-effective load parameter recorder making it suitable for electricians and maintenance personnel, as well as consumers and producers of renewable energy (wind farms, solar farms) who require 4-quadrant power analysis.

The Sonel PQM-700 Power Quality Analyser is equipped with a built-in heater enabling it to deliver high-accuracy readings compliant with IEC 61000-4-30 Class S in conditions as cold as -20°C.

Up to 1100 parameters, including average, minimum, maximum and instantaneous readings, can be saved to the Sonel PQM-700 Power Quality Analyser. Its internal, rechargeable battery ensures that the Sonel PQM-700 can continue to record data for up to six hours after power failure. Data is recorded onto a removable 2GB memory card; it can be downloaded to a PC using a USB connection or a card reader.

The Sonel PQM-700 Power Quality Analyser has four current inputs and can provide a current measurement for the neutral conductor. It also offers the following measurement and logging capabilities:

  • Current L1, L2, L3, N (four measurement inputs): supports a maximum measurement range of 6kA, depending on the current clamp used, and can determine the average, minimum, maximum and instant current measurements; provides interoperability with current transducers
  • Voltages L1, L2, L3, N (four measurement inputs): supports interoperability with voltage transducers and can measure average, minimum, maximum and instant voltages up to 760V
  • Unbalance of voltage and currents
  • Current and voltage event logging with oscillograms and half-period RMS charts
  • Power measurements: active power (P), reactive power (Q), distortive power (D), and apparent power (S) with identification of the nature of the reactive power (capacitive, inductive); reactive power is calculated using the Budeanu and IEEE 1459 methods
  • Power factor (PF): cosφ, tanφ
  • Energy measurements: active energy (EP), reactive energy (EQ) and apparent energy (ES)
  • Crest factors for current (CFI) and voltage (CFU)
  • Frequency: 40Hz-70Hz
  • Harmonics up to the 40th in voltage and current
  • Total harmonic distortion THD for current and voltage
  • Short-term (PST) and long-term (PLT) light flicker index

What’s Included?

  • Sonel PQM-700 Power Quality Analyser
  • 4x F3-A Flexible Clamps, Class S, IP65
  • 3x Black Crocodile Clips, 1kV, 20A
  • 2x Red Crocodile Clips, 1kV, 20A
  • 1x Blue Crocodile Clip, 1kV, 20A
  • 2m Straps for Mounting the PQA on a Pole
  • DIN Rail-mounting Bracket with Positioning Catches
  • 2x Fasteners and Bands for Mounting the PQA
  • AZ-1 Power Supply Adapter (mains plug/ banana inputs)
  • USB Cable
  • Sonel Analysis Software

Di-LOG Energy is a part of the Di-LOG group, for more information click the link to view our group divisions.

Possible measurements
Measurements according to EN 50160
Voltage L1, L2, L3
– average, minimum, maximum and instantaneous values, range to 760 V, ability to work with voltage transformers
Current L1, L2, L3, N (four inputs)
– average, minimum, maximum and instantaneous values, measurement current with range to 3 kA (depends on used clamp), ability to work with current transformers,
Crest factor for voltage and current
Frequency from 40 Hz to 70 Hz
Active, reactive, distortion, apparent power, including the type of reactive power (capacitive, inductive)
Power recording
– Budeanu method
– IEEE 1459
Active, reactive, apparent energy
Power factor, cosφ, tgφ
Up to 40th harmonics for voltage and current
Total Harmonic Distortion (THD) for voltage and current
Short-term (PST) and long-term (PLT) flicker
Unbalance of voltage and current
Current and voltage events registration including waveforms and RMS graphs half period
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