HT instruments SIRIUS89N User Manual
Page 48

SIRIUS89N
EN - 46
LOOP 05.06.01
- - -
Ω
---A
FRQ=50.0HZ
VP-N= 1V Vp-PE= 0V
Ut DANGEROUS
R
A
50V
!
Message
“Ut”: the
instrument doesn't detect
an efficient protection
circuit.
FUNC
UL
If a contact voltage
U
t
higher than the
selected limit (U
L
) is
detected the instrument
interrupts the test and
emits
a long sound
signal at the end of the
test and displays the
screen alongside.
LOOP 05.06.01
- - -
Ω
---A
FRQ=50.0HZ
VP-N=231V Vp-PE= 40V
NO PE
P-PE 50V
!
Message
“NO PE”: the
instrument doesn't detect
an efficient protection
circuit.
FUNC Z2
Ω UL
Should the instrument
detect an Earth
Resistance extremely
high to consider no
presence of PE
conductor or Earth
installation ones, it
shows the message on
the right picture. Please
check the efficiency of
PE conductor and Earth
installation.
LOOP 05.06.01
- - -
Ω
---A
FRQ=50.0HZ
VP-N=231V Vp-PE= 40V
o
HOT
o
P-P
!
FUNC Z2
Ω
Message “hot”: the
instrument got overheated.
If the instrument gets
overheated, tests cannot
be carried out and the
message alongside is
displayed. Wait until the
initial screen is back in
order to proceed with
measurements.