Sonel

SONEL S.A. is a Polish manufacturer of high-quality measuring instruments for power generation and telecommunications sectors. SONEL was established in June 1994. The company's founders were electrical engineers - people with a good knowledge of the market needs for specialized test equipment. In 1998 company's name and its legal status had changed and as a result SONEL S.A. was established. The meters are used to measure: fault loop resistance and impedance, insulation resistance, earth resistance and soil resistivity, residual current protections, current, voltage.