Sonel PQM-711 power quality analyzer is an advanced product for wide type of measurements, analysis and recording of network parameters 50/60 Hz and the power quality diagnostic according to European standard EN 50160. Sonel PQM-711 is an innovative model with a wireless communication Wi-Fi , which allows for automatic pairing with the included tablet, with a large 10" touch screen. Tablet allows full operating of the analyzer, live data preview and the reading and analysis of data stored in the internal memory. Analyzer is addressed to a wide range of users who need to control the power quality with a mobile device, it meets the IEC 61000 standards for the Class A. Compliance with the standard includes measurement uncertainty, measurement methods and time synchronization with a reference signal.