主要特性与技术指标Redefining feature-rich portability50,000 counts resolution on dual display0.03% basic DC voltage accuracyTrue RMS AC measurementIR-USB connectivityFeatures-packedCAT III 1000V and CAT IV 600V overvoltage protectionCertified to CE and CSA standards AT III 1000V and CAT IV 600V overvoltage pr...