About Sonel S.A.

SONEL  S.A. has existed since June 1994. The company's founders were electrical engineers - people  who had good knowledge of the market needs for specialized test equipment.
In 1998 there was a change of name and legal status and as a result SONEL S.A. was established.

Currently, the company operates within the Świdnica Sub-Zone of the Wałbrzych Special Economic Zone.

The company debuted on the Warsaw Stock Exchange in June 2008.

SONEL S.A. is a Polish manufacturer of high-quality measuring instruments for power generation and telecommunications sectors.

The meters are used to measure:

  • fault loop resistance and impedance,
  • insulation resistance,
  • earth resistance and soil resistivity,
  • residual current protections,
  • current, voltage·

We also offer:

  • multifunctional meters which combine the above-mentioned features,
  • thermal imagers
  • low resistance meters,
  • phase sequence testers,
  • wire tracers,
  • power quality analysers,
  • clamp meters,
  • multimeters,
  • pyrometers,
  • illuminance meters.

SONEL S.A. aims at making electronic products which meet the requirements of Polish and foreign customers.

Mission Statement

The mission of SONEL S.A. is to become a modern, innovative and globally competitive company supplying high-quality products and services which meet the expectations and requirements of demanding customers. Our main goal is to manufacture ergonomic, specialized measuring instruments which improve the electrical safety and work conditions. The mission of SONEL S.A. is also implementation of a natural process of expansion and dissemination of technological development in harmony with the environment.

Market position

Sonel S.A. owes its strong position in Poland’s market to emphasis on continuous technological and functional development of our product range, which has been confirmed by international certificates: ISO 9001:2008, ISO 14001:2004 and PN-N-18001:2004 certificates of Quality, Environmental and Safety Management System. 
In May 2003 we received a recommendation from the Association of Polish Electrical Engineers for production, servicing and design of measuring instruments. 
High quality of our instruments has been appreciated and awarded at international electrical fairs, such as ELEKTRO-EXPO, ELTARG, TAREL, ENERGETAB.

At the same time, a systematic market research allowed observing current needs of our customers (power utilities, telecoms, industrial plants, shipyards, military, mines and individual electrical fitters). It is for them that each year we develop new designs which will satisfy the requirements of even the most demanding customers.

The company employs thoroughly qualified engineers who regularly conduct trainings and show the latest technological solutions supported by interpretation of valid legal regulations as well as by practical presentations of measurement techniques based on the latest generation of instruments from SONEL S.A.

Our products are offered by authorized distributors in Poland and abroad.

Management Board 
Krzysztof Wieczorkowski - President 
Jan Walulik - Vice President 
Wojciech Kwiatkowski - Member of the Management Board