HT instruments SIRIUS87 - Manual (Page 32)

SIRIUS 87
EN - 30
 If the instrument detects that the earth
cable (green) is not connected, the
screen alongside is displayed for 5
seconds then the initial display is back.
Check the connections of PE conductor
under test.
RCD
~

 >
1999

no PE
THE PREVIOUS RESULT CANNOT BE SAVED.
 In the tests MAN x1, x2, x5 and AUTO
(during x1 and x5 tests), if the RCD
trips to separate the circuit within a time
not complying with the limits reported in
table, the instrument emits
a long
sound signal at the end of the test and
displays the values alongside.
RCD
~ 
 487
ms

N

30
m
A
1
V
x 1

MAN
 t
0° U
L
=
50 V
 If the RCD trips within a time higher
than the instrument’s measuring limits,
the instrument emits
a long sound
signal at the end of the test and
displays the values alongside.
RCD
~

 >
999
mS

N

30
m
A
2
V
x 1

MAN
 t

0° U
L
=
50 V
The maximum duration depends on the test type:
Test type General RCD Selective RCD
MAN x1 test 999ms 999ms
MAN x2 test 200ms 250ms
MAN x5 test 50ms 160ms
“ ” test 300ms
SAVING:
The tests can be stored pressing the
SAVE key twice
(according to § 5.1).
RCD tripping time
ATTENTION: the
tripping time is
higher than the
standard limit.
RCD tripping
time:
> maximum
measuring time
(it depends on
type of test, see
following table).
Message
“no PE”: the
instrument does
not detect the
protection circuit.
SAVE
or RCD
or RCD
SAVE