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Section
IV
Model 3455A
ratals
4-13.
AC
Accuracy
Taat
30
Hi
to
100
kHi
(Standard
Modal
34SSA
only).
Test
Frequency
Input
Level
345SA
Range
24
Hour**
Test Limits
90 Day**
Test Limits
30
Hz*
1
V
1
V
0.99920
to
1.00080
0
99900
to
1.00100
300
Hz
1
V
t
V
to
kHz
1
V
1
V
20
kHz
1
V
1
V
50
kHz
1
V
1
V
0.99520
to
1.00480
0.99400
to
1.00600
too
kHz
1
V
1
V
30
Hz*
5V
10
V
4.9940
to
5.0060
4.9925
to
5.0075
300
Hz
5V
10
V
20
kHz
5V
10
V
too
kHz
5V
10
V
4.9720
to
5.0280
4.9650
to
5.0350
30
Hz*
10
V
10
V
9^920
to
10.0080
9.9900
to
10.0100
60
Hz*
10
V
10
V
too
Hz*
10
V
10
V
500 Hz
10
V
10
V
t
kHz
10
V
lOV
5
kHz
to
V
10
V
to
kHz
10
V
10V
20
kHz
tov
10V
50
kHz
10
V
10
V
9.9520
to
10.0480
9.9400
to
10.0600
too
kHz
10
V
10
V
30 Hz*
toov
100
V
99.920
to
100.080
99.900
to
100.100
300
Hz
100
V
100
V
to
kHz
100V
100
V
20 kHz
too
V
100
V
too
kHz
100
V
100
V
99.52010
100.480
99.400
to
100.600
30 Hz*
1000
V
1000
V
998.00
to
1002.00
997.50
to
1002.50
300
Hz
1000
V
1000
V
10
kHz
1000
V
1000
V
*
Frequencies
below 300
Hz
apply
to
ACV
Function
only.
**Tbese
test
limits
do
not include the temperature
coefficients that
must
be
added
if
the
instrurrtent
is
operated outside of
the
temperature range over
vvhich the
24-hour
or
90-day
specifications
apply
(see
Table
1-1).
Derive
6-month
test
limits
from
AC
Accuracy
specifications
listed in
Table
1
-1
.
in
the
table.
2
.
3455A
Option
001:
Using
the
AC
Calibrator,
verify
the
3455A
ac voltmeter
accuracy
for
each
Test
Frequency
(Fast
ACV),
Input Level
and
3455A Range
listed in
Table
4-15-
The 3455A
display readings
should be
within the Test
Limits given
in
the
table.
h.
Set the
AC
Calibrator
for
an
output of
1
V,
10
khz.
Set the
3455A
FUNCTION
to
ACV
and
RANGE
to
1
V.
0
.
Set the
Test
Oscillator for
an output of
1
V,
10
kHz. Connect
the
50-ohm
output of
the Test
Oscillator,
terminated
in
a
50-ohm
load, to the
3455A
front
panel
INPUT.
p.
Adjust
the Test Oscillator
level
controls for a
34S5A
reading
as close as possible to
the reading
recorded
in
Step
i.
Set the
Test
Oscillator's
meter
switch
to
expand-
ed
scale
and
adjust the
meter
reference controls for a
zero reading
on
the
Test
Oscillator's
meter.
Use
the Test
Oscillator's
level
controls to
maintain
this
zero reading
whenever
the Test Oscillator
frequency
is
varied.
i.
Record
the
3455A
reading;
V.
j.
Set the
3455A
FUNCTION
to
FAST ACV.
Record
the
3455A
reading:
V.
k.
Set the
3455A
FUNCTION
to
ACV
and
RANGE
to
10 V. Set the
AC
Calibrator
for
an output of
6
V,
10
kHz.
1
.Record
the
3455A
reading:
V.
m.
Set
the
3455A
FUNCTION
to
FAST ACV.
Record
the
3455A
reading:
V.
n.
Disconnect
the
AC
Calibrator
from
the
3455A.
Set
the
3455A
FUNCTION
to
ACV
and
RANGE
to
1
V.
q.
1.
Standard
Model
3455A:
Set
the Test Oscillator
to
each of
the
first
four Test Frequencies
listed
in
Table
4-14 (maintain
reference
level
on meter
of
Test
Oscillator).
At
each frequency
setting,
the
34S5A
display reading
should be
within the
Test Limits given
in
the
table.
2
.
3455A
Option
001; Set the Test Oscillator
fre-
quency
to
250
kHz
(maintain reference
level
on
meter of
Test
Oscillator).
The 3455A
display
reading should
be between 0.99240
V
and
1.00760V
(24-hour
spec.)
or
between 0.99190
V
and
1.00810
V
(90-day
spec.).
r.
Set the
3455A
FUNCTION
to
FAST
ACV.
Set the
Test Oscillator
frequency
to
10
kHz
and
adjust
its
out-
4-14
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