HT instruments SIRIUS87 - Manual (Page 27)

SIRIUS 87
EN - 25
4.3.1.2. Mode "MAN x1, x2, x5"
4.
 Press the START/STOP key once. The instrument carries out the
test injecting a current in phase with positive half wave of the
voltage indicated on
display by 0°.
 Press the START/STOP key twice. The instrument carries out the
test injecting a current in phase with negative half wave of the
voltage indicated on
display by 180°.
NOTE: ”Man 5 I
n
” and “AUTO” test modes aren’t available for RCD type A 500mA.
 When the RCD trips if the tripping time
is within the limits reported in table, the
instrument emits a
double sound
signal indicating the positive
outcome of the test and displays the
screen alongside.
RCD
~

40
ms
OK

N
30
m
A
1
V
x1
MAN
 t
0° U
L
=
50
V
SAVING:
The test can be stored pressing the
SAVE key twice
(according to § 5.1).
RCD tripping time
OK: indicates that the RCD passed the test.
It indicates if the test was carried out with current
phase 0° or 180° with respect to the voltage. Limit set for the
contact voltage.
Value of contact
voltage
U
t
detected referred
to the rated value
of the RCD
current set.
or RCD
SAVE
START
STOP