The Sonel PQM-710 is a mains tester and data logger used for power grid diagnostics, capable of handling both 1-phase and 3-phase networks. Manufactured by Sonel, it features advanced network diagnostics to monitor and analyse electrical systems. Typically, it is applied in ensuring efficient operation and identifying issues within electrical installations. https://elecena.pl/product/28900926/sonel-wmdepqm702-pqm-710-power-quality-analyser-1-phase-3-phase-data-logger 2025-06-03 https://elecena.pl/product/28900926/sonel-wmdepqm702-pqm-710-power-quality-analyser-1-phase-3-phase-data-logger 2026-07-02