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HP 435B Service Manual

HP 435B
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O
p
er
at
i
o
n
M
o
d
e
l
435
Β
3-8
O
PER
ATI
N
G
I
N
ST
RU
CTIO
N
S
1
.
BEF
O
RE
S
W
IT
C
HIN
G
ON
THI
S
IN
STRUMENT,
c
h
ec
k
t
h
att
h
e
p
o
w
er
t
ra
n
sfo
rm
e
r
prim
a
ry
i
s
m
atc
h
ed
to
t
h
e a
v
a
il
a
bl
e
lin
e vo
l
tage,
t
h
e
co rr
ect
fu se
i
s insta
ll
e
da
nd
sa
f
et
y
pr
eca
u
ti
o
n
s
a
re
ta
k
e
n
.
See
P
o
w
e
r
R
e
quir
e
m
e
n
t,
Lin
e
V
o
l
tage
Se
l
ect
i
o
n
,
P
owe
r
Ca
bl es
a
nd
assoc
i
ate
d
wa
r
n
in
gs
a
nd
ca
u
ti
on
s
in Sect
i
o
n
II
.
BEF
O
RE
CONN
E
CT
I
NG
LINE
P
O
W
ER
TO
THE
I
NST
RU
MEN
T,
e
n
sur
e
t
h
at
all
devices co
nn
ecte
d
to
t
hi
s
in st
rum
e
n
t
a
re co
nn
ecte
d
to
t
h
e
protective
(ea
r t
h
)
g
r
o
und
.
BEF
O
RE
SW
I
TC
HI
NGON
T
HI
S
IN
ST
R
U
ME
NT,
e
n-
sure
t
h
at
t
h
e
lin
e
p
owe
r
(M
a
ins)
p
lu
g
i
s co
nn
ecte
d
to
α
t
hr
ee-co
ndu
cto
r
lin
e
p
owe
r
o
u
t
l
et
t
h
at
h
as
a
protective
(ear
t
h
)
g
ro
und
.
(Gr
o
undin
g
o
n
e co
ndu
cto
r
of α
two-
co
ndu
cto
r
o
u
t
l
et
i
s
n
ot
s
u
ff
i
c
i
e
n
t
.)
CA
U
TIO
N
D
o
n
ot
twist
t
h
e
body
of
t
h
e
p
owe
r
se
n
so
r
w
h
en
connect-
ing
o
r
di
sco
nn
ect
in
g
i
t
.
T
his
ca
n
ca
u
se
m
a
j
o
r
da
m
age
to
t
h
ese
n
sor
.
2
.
Set
t
h
e
m
ete
r
indi
cat
i
o
n
to
zer
o
wi
t
h
t
h
e
m
ec
ha
ni
ca
l
m
ete
r
z
e
r
o co
n
t
r
o
l
.
B
ac
k
t
h
e co
n
tro
l
o
ff
s
li
g
h
t
ly
.
3
.
Conn
ect
t
h
e
p
owe
r se
n
sor
to
t
h
e
P
o
w
e
r
M
ete
r
w
i
t
h
t
h
e
p
o
w
e
r
se
n
so
r
ca
bl
e
.
4
.
Conn
ect
t
h
ep
o
w
e
rca
bl
e
to
t
h
e
p
o
w
er
o
u
tl
et
a
nd
p
owe
r
m
o
dul
e
r
eceptac
l
es
.
Set
t
h
e
LINE
sw
i
tc
h
to
ON
;
t
h
e
l
a
mp
wi
t
hin
t
h
e
sw
i
tc
h
l
e
n
s s
h
o
uld
b
e
li
t
.
5
.
C
han
ge
t
h
e
P
owe
r
M
eter
's
RAN
G
E
s
w
itc
h
sca
l
e so
i
t
co
rres
p
o
nd
s
to
t
h
e
r
an
ge
o
f
t
h
e
p
owe
r
se
n
sor
.
R
efer
to
t
h
e
pa
r
ag
r
a
ph
e
n
ti
t
l
ed
R
an
ge
Sw
i
tc
h
Sca
l
e
Se
l
ect
i
o
n
in
Sect
i
o
n
II
.
6
.
Set
t
h
e
P
o
w
e
r
M
ete
r
sw
i
tc
h
es as
f
o
ll
ows
:
RAN
G
E
p
os
i ti
o
n
.
.
.
.
.
. .
.
.
.
.
.
.
.
.
.
.
fully
ccw
C
AL
FA
CT
O
R
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
100%
ο
P
O
W
ER
REF
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. . .
.
.
O
FF
7
.
Pr
ess
t
h
e
ZER
O
s
wi
tc h,
allow
5
seco
n
ds
f
o
r
t
h
e zer
o
in
gop
erat
i
o
n
to
ta
k
e
pl ace,
a
nd
re
l
ease
t
h
e
switc
h
.
8
.
Set
t
h
e
RAN
G
E
sw
i
tc
h
to
t
h
e
p
os
i
ti
o
n
indicate
d
in
t
h
e
f
o
ll
o
win
g
ta
bl
e
.
Th
e
n,
co
nn
ect
t
h
e
p
owe
r
se
n
so
r
(a
nd
adap
te
r or
atte
nu
ato
r
as
r
equire
d) to
t
h
e
P
O
W
ER
REF
O
UTPUT
a
nd
sett
h
e
r
ea
r
pa
n
e
l
PO
W
ER
REF
switch
to
(ON)
.
F
o
r
50
Ω
p
owe
r
se
n
sor
s,
ad
j
u
st
t
h
e
C
AL
ADJ
co
n
t
r
o
l
f
o
r
α
full
-sca
l
e
r
ea
din
g
;
t
h
e
m
eter
po
in
te
rs
h
o
uld
b
e
a
li
gn
e
d
w
it
h
t
h
e
C
AL
m
a
rk
(full
-sca
l
e
r
ea
din
g)
on
t
h
e
m
ete
rf
ace
.
F
o
r
75
Ω
p
o
w
e
r
se
n
so
r
s,
ad
j
u
st
t
h
e
C
AL
ADJ
co
n
t
ro
l
for
α
96%
ο
of
full
sca
l
e
r
ea
din
g
;
t
h
e
m
ete
r
p
o
in
te
r s
h
ould
b
e
a
li
gn
e
d
wi
t
h
t
h
e
0
.96
m
a
rk
on
t
h
e
m
ete
r
f
ace
.
F
igure
3-4
.
O
p
erati
ng
I
n
str
u
ctions
(1
of
2
j

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HP 435B Specifications

General IconGeneral
BrandHP
Model435B
CategoryMeasuring Instruments
LanguageEnglish

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