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Sonel PQM 703 Power Quality Analyser

Power quality analyzer PQM- 703 is a technically advanced product that allows for comprehensive measurements of  the quality of electricity , analysis and recording of power network parameters, for frequencies 50/60 Hz  in accordance with European standard EN 50160. The PQM - 703 is the latest addition to the PQM 7XX series of products.  In relation to the PQM -702, the PQM - 703 has new functions like recording of transients  with max. sampling frequency 10 MHz, and control signals. Minimal transient capturing time is 650 ns. It is intended for a very wide range of users who need to control the quality of power with a mobile device , which fulfills the requirements of the IEC 61000 standard for class A analyzers. This applies to measurement accuracy, measurement methods, and synchronization of time with a standard signal. The last condition is met with a built-in GPS module with an internal antenna. If  the analyzer is installed inside,  it is possible to use an additional antenna with a 10m-long wire. If the antenna is situated outside, GPS signal will be attainable without any problems and used for the synchronization of an internal clock.

In practice, the analyzer may be used with all network types with rated voltage from 110 V to 760 V, directly or indirectly via transducers. 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.

Thanks to these features PQM -703 can be used in power engineering and maintenance services fields for industrial plants , as well as by persons  providing services in the power network analysis field.



Power Quality Analyser


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