"Power quality analyser is intended for detection of local power quality deviations. For this purpose it is normally positioned at the point-of-common-coupling of small and medium industrial and commercial energy consumers to:
1.monitor quality of delivered electric energy or at medium or low voltage feeders
2.detect and record possible disturbances caused by (unauthorized) operation of consumers.
Free software tool Miqen included. Miqen is a user –friendly toll for complete monitoring of the measuring instruments."