


Power Quality Analyser – Overview
These power quality analysers measure, analyse and record network parameters of 50/60 Hz and perform power quality diagnostics according to the European standard EN. PQM-710 is an innovative model with Wi-Fi, which allows for automatic pairing with the included 10″ touch tablet. The tablet enables remote operation of the analyser, live data preview, as well as reading and analysis of data stored in the internal memory. With this solution, the PQM-710 is a unique device that combines the advantages of an analyser with built-in display and typical portable analysers (also known as Black Boxes). You can also use the analyser module as a typical logger without a display for multiple measurements. You can very efficiently diagnose the machine under test using the tablet. In practice, the analyser may be used with all network types with rated voltage from 110 V to 760 V, directly or indirectly via transducers.
Power Quality Analyser – Features
- It works in the following networks:
- one-phase
- split-phase with N wire
- three-phase Wye type, with and without N wire
- three-phase delta type
- with constant voltage
- Measurements according to EN 50160
- Voltage L1, L2, L3, N-PE
- average, minimum, maximum and instantaneous values
- range to 760V
- 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 40Hz to 70Hz
- 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
- K factor (transformer overload caused by the harmonics)
- Up to 50th 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 events detection, including waveforms recording
- Current and voltage waveforms recording after each averaging period
- Measure transient Voltages of up to 6000V PQM-711
Suitable for use in power industry, industrial maintenance services, and network analysis services.








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