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HP 435B Service Manual

HP 435B
119 pages
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Ad
j
u
st
m
e
n
ts
M
od
e
l
435
Β
AD
JU
ST
MEN
TS
5-8
.
P
O
WER
ME
T
ER
AD
JU
ST
MEN
TS
W
IT
H
50
Ω
P
OWER
S
EN
SO
R
REFEREN
C
E
:
Se
rvi
ce
Sh
eets
2
a
nd
3
.
DE
SC
RIPTI
O
N
:
1
.
Th
e
B
a
l
an
ce co
n
t
ro
l i
s
ce
n
te
r
e
d
to
r
e
m
o
v
e t
h
e
d
o
o
ff
set
in
t
r
odu
ce
d
by
t
h
e
Au
to
Z
e
ro c
ir
c
ui
t
.
5-8
N
OT
E
S
T
hi
s
ad
j
u
st
m
e
n
t s
hould only be
pe
r
fo
rm
e
d
w
h
e
n
t
h
e
HP
M
od
e
l
11683
ΑR
an
ge
Ca
li
b
r
ato
r
i
s
n
ot
available
.
I
f
t
he a
d
ju
st
m
e
n
ts
a
r
e
to
be co
n
s
id
e
r e
d
v
a
lid,
t
he
P
owe
r
M
ete
r
mu
st
ha
v
e
α ha
l
f
h
our
wa
rmu
p
a
nd
t
h
e
lin
e voltage
mu
st
be
w
i
t
hin
+5
to
-10%
ο
ofn
o
min
a
l
.
2
.
Th
e
D
C
O
ff
set
co
n
t
r
o
l
re
m
o
v
es
a
ny
d
o
v
o
l
tage
in
tro
du
ce
d
by
t
h
e
D
C
Amplifi
er
.
3
.
Th
e
C
AL
ADJ
co
n
tr
o
l i
s
u
se
d
to
set
α
l
e
v
e
l
of
+1
.00
Vd
c
at
t
h
e
r
ea
r
pa
n
e
l
RE
CO
RDERO
UTPUT
j
ac
k
w
i
t
h
α
full
sca
l
e
inpu
t
.
4
.
Th
e
M
ete
r
co
n
tr
o
l
sets
t
h
e
m
ete
r r
ea
ding
to
full
sca
l
e
w
h
e
n
t
h
e
RE
CO
RDER
O
UTPUT
l
e
v
e
l
is
+1
.00
Vd
c
.
5
.
Th
e
Au
to
Z
er
o
O
ff
set
ad
j
u
st
m
e
n
t
r
e
m
o
v
es
a
ny
d
o
vo
l
tage
in
tr
o
du
ce
d by
t
h
e
Au
to
Z
er
o c
ir
c
ui
ts
wh
e
n
t
h
e
ZER
O
s
wi
tc
h
i
s
pr
esse
d
.
6
.
Th
e
B
a
l
a
n
ceco
n
tr
o
l
ce
n
te
rs
t
h
e
Au
to
Z
e
ro c
ir
c
ui
ts
o
u
t
pu
t
v
o
l
tage
r
a
n
ge
.
Th
e
Au
to
Z
e r
o o
u
t
pu
t
i
s
f
o r
ce
d
to
i
ts
n
egat
iv
e
e
x
tre
m
e
a
nd
t
h
e
B
a
l
a
n
ce co
n
tr
o
l
sets
t
h
e
RE
CO
RDERO
UTPUT
v
o
l
tage
b
e
l
o
w
ce
n
te r
-
r
a
n
ge
(+1
.00
Vd
c)
by
o
n
e-
ha
lf
t
h
e
tota
l
ra
n
ge
.
HP
435
Β
P
O
WER
ME
TER
(SID E
P
A
NEL)
RE
CO
RD
ER
O
UTPUT
(RE
AR
P
A
NEL)
DIGITA
L
VO
L
TMETER
α
P
O
WER
.
INPUT
S
EN
SO
R
L
F
igure 5-4
.
Power
M
eter
A
d
j
u
stme
n
t
Set
up
wit
h
50
Ω
P
ower
Se
n sor
E
Q
UIPMENT
:
Dig
i
ta
l
V
o
l
t
m
ete
r
. . . .
.
. . . . .
.
.
.
.
HP
3455A
P
owe
r
Se
n
so
r
.
.
. .
.
.
. .
. .
. . . .
. . . .
HP
8481
Α
/
Η
or
8482
Α
/
Η
PR
OC
EDURE
:
1
.
Set
t
h
e
LINE
s
wi
tc
h
to
O
FF,
w
a
i t
α
f
e
w
seco
nd
s,
a
nd
a
d
j
u
st t
h
e
m
ec
h
a
ni
ca
l
m
ete
r
z
e
r
o co
n
t
r
o
l
f
o
r
α
m
ete
r
r
ea
din
g of
ze r
o
.
2
.
Set
t
h
e
DVM
RAN
G
E
sw
itc
h
to
1
Vd
c
.
3
.
Set
t
h
e
P
o
w
e
r
M
ete
r
C
AL
FA
CT
O
R
s
wi
tc
h
to
100%
.
4
.
R
e
m
ov
e
t
h
e
ri
g
h
t
si
d
e
co
v
e
r
o
f t
h
e
P
o
w
e
r
M
ete
r
a
nd
co
nn
ect
t
h
e
e
quipm
e
n
t
as
s
h
o
wn
in
Fi
g
ur
e
5-4
.

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HP 435B Specifications

General IconGeneral
BrandHP
Model435B
CategoryMeasuring Instruments
LanguageEnglish

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