HT instruments SIRIUS87 User Manual

Page 34

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SIRIUS

87

EN - 32

 In case the instrument is unable to

generate the current because the fault
loop presents a too high resistance, the
instrument emits

a long sound signal

at the end of the test and displays the
values alongside.

RCD

~



 A

N



hi

ES

 

t



AUTO

U

L

=

50 V

 During U

t

test if the instrument detect s

a contact voltage U

t

higher than the full

scale value, a long sound signal is
emitted at the end of the test and
displays the screen alongside

RCD

~



>

100

V

A UL

I

N

t

U

L

=50V

 If the RCD trips during the preliminary

test at ½ I

dn

(independently from the

working mode) the instrument displays
the screen alongside until voltage
between phase and earth is detected
again then the previous selected
screen is back.

RCD

~



 c

N

- - - - - -

x

1

MAN

t

U

L

=50 V

 If the thermistores of the instrument are

damaged, it displays the screen
alongside.

RCD

~



c

 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.

RCD

~




THIS RESULTS CANNOT BE SAVED.

Message

">100V" or “>50V”:

the instrument detected a contact voltage higher
than the full scale. Under U

t

mode the instrument

full scale is equal to 100V or 50V depending on the
value set for U

L

equal to 50V or 25V.

Message

“rcd”:

the RCD trips too
early. Some
leakage currents
may be present in
the installation.

Message “hot”: the instrument got overheated.

Message

HI rES”: the

instrument
detected a too
high resistance
therefore it is
unable to effect
the test.

SAVE

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