HT instruments SPEED418 - Manual (Page 47)

400 Series
EN - 46
5. If the instrument detects that
the phase and earth leads
are inverted, the message
reported here to the side is
displayed. Check the
connection of the cables
R a
----

- - - A
FRQ=50.0Hz
VP-N= 1V
VP-Pe=231V
REVERSE P-PE
The phase and earth conductors are
inverted
50V
UL
6. If the instrument detects a
phase-to-neutral voltage and
a phase-to-earth voltage
lower than the limit, the
message reported here to
the side is displayed. Check
that the system being tested
is energized
R a
----

- - - A
FRQ=50.0Hz
VP-N= 1V
VP-Pe= 1V
Low voltage Insufficient voltage
50V
UL
7. If the instrument detects a
phase-to-neutral voltage or a
phase-to-earth voltage higher
than the limit, the message
reported here to the side is
displayed. Check that the
instrument is not phase-to-
phase connected
R a
----

- - - A
FRQ=50.0Hz
VP-N=281V
VP-Pe=280V
High voltage High voltage detected
50V
UL
8. If the instrument detects a
phase-to-neutral voltage
lower than the minimum limit,
it does not perform the test and
displays the message
reported here to the side.
Check the efficiency of the
neutral conductor
R a
----

- - - A
FRQ=50.0Hz
VP-N= 1V
VP-Pe=231V
MISSING N Missing neutral conductor
50V
UL