HT instruments SPEED418 - Manual (Page 48)

400 Series
EN - 47
9. If the instrument detects an
extremely high earth
resistance, so that it deems
the earth conductor or the
earthing absent, it does not
perform the test and displays
the message reported here
to the side. Check the
efficiency of the protective
conductor and the earthing
R a
----

- - - A
FRQ=50.0Hz
VP-N=231V
VP-Pe=160V
MISSING-PE Inefficient earthing
50V
UL
10. If the instrument detects that,
in case the test should be
performed, a contact voltage
higher than the set limit
would build up in the system
being tested, it does not
perform the test and displays
the message reported here
to the side. Check the
efficiency of the
R a
0°
----

- - - A
FRQ=50.0Hz
VP-N=231V
VP-Pe=231V
Ut > Ulim Dangerous contact voltage
50V
UL
protective conductor and the earthing
11. If, after repeated tests, the
instrument has overheated,
the message reported here
to the side is displayed. Wait
for this message to
disappear before performing
other tests
R a
----

- - - A
FRQ=50.0Hz
VP-N=231V
VP-Pe=231V
Hot temperature Overheated instrument
50V
UL
12. The previous anomalous results cannot be saved