TB 9-6625-2097-24
(16) Repeat technique of (13) through (15) above for DEVIATION RANGE switch
positions listed in table 5. Multimeter will indicate within limits specified.
Table 5. Span Gain Accuracy
Test instrument
Multimeter indications
DEVIATION RANGE
(V)
switch settings
Min
Max
10
-2.4850
-2.5150
25
-0.9925
-1.0075
50
-0.4970
-0.5030
b. Adjustments
(2) Adjust R-110 50 HZ (fig. 4) for 0.0 V indication on multimeter (R).
(3) Adjust R-107 60 HZ (fig. 4) for 0.0 V indication on multimeter (R).
(4) Set DEVIATION RANGE switch to 5.
NOTE
The following adjustments; R-107 and R-143 are interactive.
(5) Adjust calibrator for 10 V at 55 Hz output and adjust R-107 60 HZ (fig. 4) for a
multimeter reading of -2.500 V (R).
(6) Adjust calibrator for 10 V at 65 Hz output and adjust R-143 SPAN (fig. 4) for a
multimeter reading of +2.500 V (R).
(7) Repeat (5) and (6) above to eliminate interaction.
(8) Slide all manual ink valves with tubing attached to OFF position on recorder.
19. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.