True RMS measuring AC voltage. Artificial load 12A, 15A, 20A measuring line drop. Measuring phase voltage, neutral line (zero line) voltage to earth, peak voltage, frequency.
Measuring phase (live line), neutral line (zero line), earth line conductor impedance. Identifying 3-wire ...True RMS measuring AC voltage. Artificial load 12A, 15A, 20A measuring line drop.
Measuring phase voltage, neutral line (zero line) voltage to earth, peak voltage, frequency. Measuring phase (live line), neutral line (zero line), earth line conductor impedance. Identifying 3-wire socket connection mode (zero for left and live for right, whether there is earch line or not).
Testing the reliability of residual current device (RCD), GFCI action, and response action time.