TB 9-4931-383-50
15. Regulation
a. Performance Check
(2) Set decade resistor (A3) to 20 ohms.
(3) Set voltage divider (A7) to .999999X.
(4) Adjust dc transfer standard (A2) for a 1-volt mean output.
(5) Adjust TI voltage dials for a nominal 1-volt output and turn POWER switch to
OPR.
(6) Adjust TI voltage dials for a null indication on null detector (A4) .
Record
voltage dial indication.
(7) Adjust autotransformer (A1) output to 105 volts and wait 1 minute.
(8) Adjust TI voltage dials for a null indication on null detector.
(9) TI voltage dials will indicate within 25 microvolts of value recorded in (6)
above.
(10) Adjust autotransformer output to 125 volts and wait 1 minute.
(11) Adjust TI voltage dials for a null indication on null detector.
(12) TI voltage dials will indicate within 25 microvolts of value recorded in (6)
above.
(13) Adjust autotransformer output to 115 volts.
(14) Remove decade resistor from equipment setup and wait 1 minute.
(15) Adjust TI voltage dials for a null indication on null detector.
(16) TI voltage dials will indicate within 25 microvolts of value recorded in (6)
above.
(17) Turn POWER switch to STDBY/RESET.
b. Adjustments. No adjustments can be made.
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