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G
ENE RA L
O
PER ATION
S
ERV ICE
SA FETY CO NSIDERATIO NS
M
o d el 5383Α
Safety Conside rations
T h is is α Safety Class Ι inst r ument. T his instrument
h
as bee n
d
esigned a n d tested acco rd ing to I E C
P ublication 348, "Safety R e qu irements fo r E lect r o n ic
M
easuring Appa ratus," an d h as been
su
p
plie
d
in safe co n dition .
BEF O RE
A
PPLYI NG POWER verify t h at t he
p
owe r t r ansforme r
p
r ima ry is matc h ed to t he available
line voltage and t h e correct fuse is installed (see Sectio n ΙΙ , P a r agra
p
h s 2-8 t hr oug h 2-10) .
M
a k e
sur e th at only f u ses wit h t he re
q
uire d rated
c
u r r ent an d of t h e s
p
ecified ty
p
e ( no r mal blow, time
d
elay, etc .) ar e used for r eplaceme n t . T h e use of
r
e p ai re d
f
u ses a nd th e s ho rt-ci rc u iti ng of
fuse h old e rs must be avoi ded .
Alth oug h
t
h is i n st r ume n t
h
as bee n d esigne d in accor d a n ce wit h
i
n ter national safety standar d s,
t h is ma nu al contains info r mation, ca utions, a nd wa rn i n gs wh ic h m u st
b
e followe d to ens u re safe
ope ration a nd to
r
etai n t he instrument in safe co nditio n . Service and adju stmen ts s h oul d be
p
e rfo rmed only
b
y qu alified se rvice pe rso nn el .
Any adju stment, mai n tenan ce, and r epair of th e opened inst ru me n t und er voltage s h ou l d be
avoi d e d as muc h as possible and, w h en inevitable, s hou l d be ca rr ie d
o
u t only by α
s
k ille d pe rson
w h o is awa r e of t h e
h
azard
i
nvolved.
Capacito rs i n side the inst r ume n t may still be ch a r ged even if t h e i n st rume n t
h
as been
d
isco n -
n ecte d from its source of supply .
J& ATTENTION AI
T
h is symbol : & , w h ic h ap p ea r s on t h e i n st ru me nt in several places
means : Read t h e i n st r uctio n man u al befo re oper ati n g t h e inst ru men t . If
t h e instrume n t is operated wit ho u t
r
ead ing t he i n st ructio ns, it may
n
ot
ope r ate correctly .
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