Model 5315A
/B
Safety Considerations
YO
SAFETY
CONSIDERA
liONS
GENERAL
This
is
a Safety Class I instrument.
Thi
s
in
strument has
bee
n designed
and
tested according to
IEC
Publication
348
, "Safety Requirements for Electronic Measuring Apparatus."
OPERATION
BEfORE
APPl
VING
POWER
verify that
th
e
power
transfo
rm
er primary
is
matched to the available
line volta
ge
and
the
co
rr
ect
fuse is
in
stalled (see Section
II
). Make sure that only
fu
ses with the
r
eq
uired
rat
ed
current and of the specifi
ed
type (normal blow, time delay, etc.) are used for
replacement.
Th
e use of r
epa
ir
ed fuses and
the
short-circuiting of fuseholders must be avoided.
SERVICE
Although this instrument has
been
designed
in
accordance w
it
h international safety standards,
this manual contains information, cautions, and warn
in
gs
which must be followed
to
ensure safe
ope
ration and to r
eta
in
the
instrument
in
safe
co
nditi
on.
Service and adjustments shou
ld
be
performed o
nl
y
by
qua
li
fied service personne
l.
Any adjustment, maintenance, and rep
ai
r of
the
opene
d
in
strum
ent
under
voltage shou
ld
be
avoided
as
much
as
possible and, when inev
it
able, should be carried out o
nl
y by a
skil
l
ed
person
who
is
aware of the hazard
in
volved.
Capacitors insi
de
the
instrument
ma
y still be charged
eve
n if
the
in
stru ment has
been
disconnec-
ted from its sour
ce
of supply.
Whenever
it
is
likely that the protection has
been
impaired,
the
instrument must
be
m
ade
inoper-
ative and
be
secured against any unintended
ope
ration.
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