HP 4262A - Page 90

Model 4262A Section IV
PERFORMANCE TESTS
8.
LOW
lamp
should
be
lit.
Verify
circuit
configuration
on
COMPARATOR
OUT-
PUT
connector
(J6)
according
to
Figure
4-9.
9.
Adjust
ZERO
ADJ
C
control
cw
for
a
display
reading
of
“950”"
(up
to
“999”).
10.
IN
lamp
should
be
lit.
Verify
relay
contact
and
TTL
output
as
in
step
8.
11.
ADJUST
ZERO
ADJ
C
control
cw
for
a
display
reading
of
“1000””
or
more.
12.
HIGH
lamp
should
be
lit.
Verify
relay
contact
and
TTL
output
as
in
step
8.
13.
Set
16361A
LCR
RANGE
to
D
=
1.8
and
4262A
LCR
RANGE
manually
to
1uF.
Note
If HP 16361A is not available, use a D factor
sample as shown below.
C
{:stl_ C: 100nF (HP P/N 0160-4113)
R | R: 8870 (HP P/N 0698-4464)
14. Push D/Q RANGE AUTO button.
Note
The 4262A D/Q RANGE is automatically set
to an appropriate range and successively reset
to MANUAL.
15.
Set
appropriate
numbers
into
D/Q
LIMIT
switches.
Change
the
set
numbers
and
‘
check
comparison
outputs
with
Figure
4-9.
4-23