TB 9-6625-1942-24
Figure 3. Ac/dc Ratio - equipment setup.
Table 5. Ac/dc Ratio Accuracy
Test instrument
Applied voltage
Test instrument
switch settings (V)
ac Voltage
dc voltage
indications
RATIO
RANGE
(V)
(V)
Min
Max
EXT REF 1V
1
0.5
0.5
0.99860
1.00140
EXT REF 1V
1
1.0
1.0
0.99860
1.00140
EXT REF 1V
1
1.0
1.2
0.83210
.083456
EXT REF 10V
10
1.0
1.0
09.9870
10.0130
EXT REF 10V
10
5.0
5.0
09.9870
10.0130
EXT REF 10V
10
10.0
10.0
09.9870
10.0130
EXT REF 10V
10
10.0
12.0
0.83220
.083446
b. Adjustments. No adjustments can be made.
12. Ohms
a. Performance Check
(1) Set FUNCTION switch to TEST and RANGE switch to 7.
SIGNAL terminals on TI. If TI does not indicate between -9000.0
(2) Short
and -10400.0 perform b (1) below.
and RANGE switch to 1K.
(3) Set FUNCTION switch to
(4) Connect calibrator to TI INPUT terminals and
SIGNAL terminals in a four
wire measurement configuration. Connect TI GUARD to INPUT LOW and calibrator
GUARD to LOW terminal.