Sonel S.A. is the largest company in Poland.measuring apparatusOne of the manufacturers. For over 30 years, we have been designing and manufacturing professional equipment used to verify the safety, technical condition, performance parameters and quality of the power grid.

We are continuously expanding our product range, and have come to realize that the increasing number of electrical devices, the growing complexity of power systems, and the importance of reliable energy supply have brought about new measurement challenges.

The Sonel product catalogue comprises several product lines, which are categorized based on the measurement type and built-in functions.

Our first and crucial part coversElectrical safety measurement - Multi-functional meters, instruments for testing residual current devices (RCDs), photovoltaic installations, as well as equipment for checking insulation resistance, fault circuit impedance and grounding resistance.

Other product groups includeThermal imager and pyrometer,Low-resistance tester、Cable and underground infrastructure locator, as well as local discharge cameras for high-voltage applications andHigh-voltage insulation tester。

We also offer illuminance meters and the Sonel PQM series.power quality analyzerAnd with the PAT tester, ensureSafety of electrical equipment。

ourhandheld device – Clamp meters, multimeters, voltage testers and phase sequence indicators – offer convenient and reliable on-site measurements.

This product is also equipped withlaboratory equipmentTraining tools, various accessories, and dedicated software for data recording and analysis.

In recent years, we have been concentrating on promotingelectromobilePV和energy efficiencyInstrumental equipment.

Our strong positions in both the domestic and international markets are the result of our continuous efforts in developing product technologies and functions, as well as meeting customer expectations. International certifications have confirmed this: the quality management system ISO 9001:2015, the environmental management system ISO 14001:2015, and the occupational health and safety management system ISO 45001:2018.

All the instruments manufactured by Sonel comply with applicable standards and electromagnetic compatibility (EMC) regulations, enabling us to affix the CE mark with confidence on them.

We have also been recommended by the Polish Association of Electrical Engineers (SEP) for our work in manufacturing measuring instruments, providing training in electrical safety measurement, and performing instrument calibration.

The high quality of our products has been repeatedly recognized and awarded at the international electrical trade exhibition.

We are constantly seeking new and improved solutions. The systematic market analysis enables us to accurately identify the current customer needs. We keep up with global trends and develop and launch new products every year.