2
Continuity (R
LO
) ..................................................................................................................... 26
Loop Tests (Z
I
) ........................................................................................................................ 26
RCD/FI Tests (
PT, IPN) ........................................................................................................... 27
AC Voltage Measurement (V) ............................................................................................... 28
Continuity Testing (R
LO
) ........................................................................................................ 28
Insulation Resistance Measurement (R
ISO
) ........................................................................... 28
No Trip and Hi Current Modes RCD/FI .................................................................................. 29
Prospective Short Circuit Current Test (PSC/I
K
)
Prospective Earth Fault Current (PEFC) ................................................................................ 29
RCD TESTING ...............................................................................................................30
RCD Types Tested ................................................................................................................... 30
Test Signals ............................................................................................................................. 30
RCD Types Tested (
PT) .......................................................................................................... 30
Maximum Trip Time ............................................................................................................... 31
RCD/FI-Tripping Current Measurement/Ramp Test (I
PN ) .................................................. 31
Phase Sequence Indication .................................................................................................... 31
MAINS WIRING TEST ...................................................................................................32
OPERATING RANGES AND UNCERTAINTIES PER EN 61557 .......................................32