TB 9-6625-1976-35
AC measurement std
Test Instrument
indications
VOLTAGE
Out-of-
RANGE
tolerance
RANGE-Hz
dials
switch
VOLTAGE
adjustment
switch settings
(Hz)
settings
dials
sequence
Max
Min
Step
1
1K
1.0000 K
10 V
1.00000
0.9996 V
1.0004 V
b(1) thru (5)
2
1K
1.0000 K
10 V
10.00000
9.9978 V
10.0022 V
3
1K
1.0000 K
100 V
100.0000
99.978 V
100.022 V
b(6) and (7)
4
1M
1.0000 M
10 V
10.00000
9.964 V
10.036 V
b(8) thru (12)
5
1M
1.0000 M
10 V
1.00000
0.9937 V
1.0063 V
6
1M
1.0000 M
1V
1.00000
0.9964 V
1.0036 V
b(13) and (14)
7
1M
1
M
100 V
10.0000
9.937 V
10.063 V
b(15) and (16)
8
1M
.300
M
100 V
10.0000
9.937 V
10.063 V
9
100
20
100 V
10.0000
9.985 V
10.015 V
10
100
100
10 V
10.0000
9.9978 V
10.0022 V
11
10 K
10
K
10 V
10.0000
9.9978 V
10.0022 V
12
100 K
90.00
K
1V
1.00000
0.99945 V
1.00055 V
13
100 K
30.00
K
1V
1.00000
0.99945 V
1.00055 V
14
10 K
10
K
1V
1.00000
0.99978 V
1.00022 V
15
1K
400
1V
1.00000
0.99978 V
1.00022 V
16
100
20
1V
1.00000
0.99895 V
1.00105 V
17
1K
1.0000 K
100 mV
100.0000
99.97 mV
100.03 mV
18
100 K
30.00
K
100 mV
100.0000
99.93 mV
100.07 mV
19
100 K
90.00
K
100 mV
100.0000
99.93 mV
100.07 mV
20
1M
.300
M
100 mV
100.0000
99.64 mV
100.36 mV
21
1K
1.0000 K
10 mV
10.0000
9.988 mV
10.012 mV
22
100 K
30.00
K
10 mV
10.0000
9.975 mV
10.025 mV
23
100 K
90.00
K
10 mV
10.0000
9.975 mV
10.025 mV
24
1M
.300
M
10 mV
10.0000
9.937 mV
10.063 mV
25
1K
1.0000 K
1 mV
1.0000
0.9898 mV
1.0102 mV
26
1M
.300
M
1 mV
1.0000
0.9667 mV
1.0333 mV
NOTE
Adjustments sequenced together interact with each other and
should be adjusted until the indications converge.
(1) Set VOLTAGE RANGE to 10 V and VOLTAGE dials to 1.00000 V.
(2) Adjust A8R63 for TI measured output of between 0.99995 and 1.00005 V (R).
(3) Set VOLTAGE dials to 10.0000 V.
(4) Adjust A12R48 for TI measured output of between 9.9995 to 10.0005 V (R).