ST-09B NEW
MODEL Electrical Socket Tester with RCD/GFCI Test Button & large,
backlit LCD display. Socket sequence test. Three hole
socket Line Neutral Earth (L-N-E) detection.Phase Voltage
(L_N) measurement. Leakage Voltage (N_E) measurement.
RCD Test. Change in the display back-lit colour indicates
problems.Automatic shutdown. Data Hold.