TB 9-6625-1314-24
12. Power Supply
a. Performance Check
NOTE
Do not perform power supply check if all other parameters are
within tolerance.
(1) Set SAMPLE RATE (on 3440A) control to HOLD.
(2) Connect multimeter between terminal 15 of A9 (negative end of A9C2, fig. 1)
and chassis ground. If multimeter does not indicate between -34.65 and -35.35 V dc,
perform b below.
b. Adjustments. Adjust A9R12 -35V ADJ (fig. 1) to obtain an indication of -35.00 V
on multimeter.
13. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
CALIBRATION PROCESS FOR DIGITAL MULTIMETER,
DATA TECHNOLOGY MODEL 360
14. Preliminary Instructions
a. The instructions outlined in paragraphs 14 and 15 are preparatory to the
calibration process. Personnel should become familiar with the entire section before
beginning the calibration.
b. Items of equipment used in this procedure are referenced within the text by
common name as listed in table 2.
c. Unless otherwise specified, verify the result of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in the manufacturers' manuals for this TI.
d. Unless otherwise specified, all control and control settings refer to the TI.