1652C/1653B/1654B
Users Manual
56
Phase Sequence Indication
Icon
icon Phase Sequence indicator is active.
Display of Phase Sequence
Displays “1-2-3” in digital display field for
correct sequence. Displays “3-2-1” for
incorrect phase. Dashes in place of a number
indicate a valid determination could not be
made.
Mains Input Voltage Range (phase-to-
phase)
100 to 500 V
Mains Wiring Test
Icons (
,
,
) indicate if L-PE or L-N terminals are reversed. Instrument
operation is inhibited and an error code is generated if the input voltage is not between
100 V and 500 V. The UK Loop and RCD tests are inhibited if the L-PE or the L-N
terminals are reversed.