Digital Circuit Analyzer RCD GFCI Tester Electrical Socket Line Fault Test Device with LCD Short Finder

- 1.True RMS measuring AC voltage.
- 2.Artificial load 5A, 8A, 10A measuring line drop.
- 3.Measuring phase voltage, neutral line (zero line) voltage to earth, peak voltage, frequency.
- 4.Measuring phase (live line), neutral line (zero line), earth line conductor impedance.
- 5.Identifying 3-wire socket connection mode (zero for