TB 9-6625-2348-35
(4) Set function switch to V
.
(5) Repeat technique of (3) above, using settings and indications listed in table 3. TI
will indicate within limits specified for appropriate model in table 4.
Calibrator
Test instrument
output (Dc)
Range
Indications
Model 87
Model 87 III
Min
Max
Min
Max
390 mV
400 mV
389.5 mV
390.5 mV
389.5 mV
390.5 mV
3.9 V
4V
3.895 V
3.905 V
3.897 V
3.903 V
39 V
40 V
38.95 V
39.05 V
38.97 V
39.03 V
390 V
400 V
389.5 V
390.5 V
389.7 V
390.3 V
-390 V
-389.5 V
-390.5 V
-389.7 V
-390.3 V
400 V
1000 V
1000 V
998
V
1002
V
998
V
1002
V
-1000 V
-998
-1002
-998
-1002
1000 V
V
V
V
V
(6) Set calibrator output to minimum and disconnect equipment setup.
b. Adjustments
.
(1) Set function switch to V
(2) Set calibrator for an output of 3.900 V dc.
(3) Adjust R21 (fig. 1) until TI indicates 3.900 V dc (R).
(4) Repeat a (1) through (4) above.
