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M
odel 435Β
Safety Considerations
GENERAL
while protective covers are
r
emoved. Energy
a
vail-
This product and related documentation must be
able at many points may, if contacted,
r
esult in
reviewed for familiarization with safety markings
personal in
j
ury.
and instructions before operation.
Capacitors inside the instrument may still be
This product
i
s α Safety
C
lass Ι instrument (pro-
charged evenif
t
he instrument has been discon-
vided with α protective earth terminal).
nected from its source of
s
upply.
BEF
O
RE APPL
YI
N
G
P
O
WER
Verify
t
hat the product
i
s set to match
t
he avail-
able line voltage and
t
he correct fuse
i
s installed.
SA
FE
TY
E
A
R
T
H
G
R
O
UN
D
An uninterruptible safety earth
g
round must be
provided from
t
he main power source to the pro-
duct input wiring terminals, power cord, or
s
up-
plied power cord set.
W
A
RN
I
N
GS
SA
FE
TY CO
N
SID
ER
ATIO
N
S
F
or continued protection against fire hazard,
r
e-
place the line fuse(s) only with 250V fuse(s) of
t
he
same current
r
ating and
t
ype (for example, normal
blow, time delay, etc .) .
D
o
n
ot
u
se
r
epaired fuses or
s
hort circuited fuseholders.
SA
FE
TY SY
MB
O
L
S
Ι
Instruction manual
s
ymbol: the product
will be marked with
t
his symbol when it
i
s
n
ecessary for
t
he user to
r
efer to the in-
struction manual (see
T
able of Contents
f
or
page
r
eferences) .
Any interruption of
t
he protective (grounding)
conductor (inside or
o
utside the instrument) or
Indicates hazardous voltages .
disconnecting the protective earth terminal will
cause α potential
s
hock hazard
t
hat could result in
-L
Indicates earth (ground) terminal .
personal in
j
ury. (Grounding one conductor of α
t
wo conductor
o
utlet
i
s
n
ot sufficient protection).
WARNING
The WARNING sign denotes α
In addition, verify
t
hat α common
g
round exists
hazard.
I
t calls attention to α
between
t
he unit under test and
t
his instrument
procedure, practice, or
t
he like,
prior to energizing either unit.
which, ifnot correctly performed
o
r
a
dhered to, could result in per-
W
henever it
i
s likely
t
hat the protection has been
sonal in
j
ury.
D
o not proceed be-
impaired, the instrument must be made inoperative
y
ond α
W
ARNING sign until
t
he
and be secured against any unintended operation.
indicated conditions are fully
understood
a
nd met.
If
t
his instrument
i
s to be energized via an auto-
transformer (for voltage
r
eduction) make sure the
The CAUTION
s
ign denotes α
common terminal is connected to
n
eutral (that
i
s,
CA
U
TIO
N
hazard.
I
t calls attention to an
the grounded
s
ide of
t
he mains supply).
operating procedure, practice, or
t
he like, which, if not correctly
Servicing instructions are
f
or use by service-
performed or
a
dhered to, could
t
rained personnel
o
nly. To avoid dangerous elec-
r
esult
i
n damage to or destruc-
tric shock, do not perform
a
ny servicing unless
tion
o
fpart or all of
t
he product.
qualified to
d
o so .
Do not proceed beyond α CAU-
TION sign until
t
he indicated
Ad
j
ustments described in
t
he manual
a
re per-
conditions are fully understood
formed with power
s
upplied to the instrument
and met.
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