TB 9-6625-1314-35
SECTION IV
CALIBRATION PROCESS FOR DIGITAL VOLTMETER, HEWLETT-PACKARD
MODEL 3440A WITH AC/DC RANGE UNIT3445A OR C06-3445A
14. Preliminary Instructions
a. The
instructions outlined in
paragraphs 14 and
15 are preparatory to the
calibration
process. Personnel should become familiar with the applicable sections before beginning
the calibration.
b. Items of equipment used in this procedure are referenced within the text by common
name and item identification number as listed in tables 4 and 5. For the identification of
equipment referenced by item numbers prefixed with A, see table 4, and for prefix B, see
WARNING
HIGH VOLTAGE is used during the performance of this
fail to observe safety precautions.
NOTE
Unless otherwise specified, verify the results 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
manufacturer's manual for this TI.
NOTE
within tolerance, perform the power supply check prior to
making adjustments. After adjustments are made, repeat
all other parameters are within tolerance.
NOTE
Unless otherwise specified, all controls and control settings
refer to the TI.
15. Equipment Setup
a. Remove TI protective cover as required for adjustments.
b. Install TI plug-in (model 3445A or C06-3445A) into TI main frame (model 3440A).
c. If necessary, set 115-220 power switch, located on rear panel, to 115.
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