Sonel PQM 702 Power Quality Analyser

Possible measurements:

• 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 50^th harmonics for voltage and current,
• Total Harmonic Distortion (THD) for voltage and current,
• Short-term (P_ST) and long-term (P_LT) flicker,
• Unbalance of voltage and current,
• Current events detection including waveforms recording,
• Current and voltage waveforms recording after each averaging period.

 The device is designed to work with networks:

• with nominal frequency 50/60Hz,
• with nominal voltage:
   64/110 V; 110/190 V; 115/200 V; 127/220 V; 220/380 V; 230/400 V; 240/415 V; 254/440 V; 290/500 V; 400/690 V,
• DC network

Supported networks:

• single-phase,
• two-phase with common N conductor,
• three-phase star connection with and without N conductor,
• three-phase delta.