Origin: Poland
Sonel manufactures professional electrical measurement and safety testing instruments — earth resistance testers, insulation resistance meters, thermal cameras and power quality analysers — used by electrical engineers worldwide.
Fast Group distributes Sonel instruments in Vietnam, providing genuine supply and technical support to industrial electrical maintenance teams, safety inspectors and EPC project commissioning engineers.
Founded in 1994 in Świdnica, Poland, Sonel has grown to become one of Europe's leading manufacturers of electrical measurement instruments. Their product range covers MIC earth and insulation resistance testers, MZC loop impedance and short-circuit current testers, power quality analysers, PAT testers and thermographic cameras — all designed and certified to IEC safety testing standards.
Sonel instruments are used by electrical engineers, safety inspectors and commissioning teams to verify insulation integrity, earthing system compliance, power quality and thermal performance of electrical installations. Their products comply with IEC 61557, EN 61010 and associated electrical safety testing standards.
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