TB 9-6625-2135-35
10 M Ω
.02750
.04000
Measurement capability: -200 V to 7.01 V dc
John Fluke, Model
8840A/AF-05
(AN/GSM-64D)
CALIBRATION PROCESS FOR HEWLETT-PACKARD MODELS 3465A AND
3465B
6. Preliminary Instructions
calibration process. Personnel should become familiar with the entire bulletin 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 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 manuals for this TI.
perform power supply check prior to making adjustments. If power supply adjustments
are made, repeat paragraphs 8 through 11. Do not perform power supply check if all
other parameters are within tolerance.
e. Unless otherwise specified, all controls and control settings refer to the TI.
7. Equipment Setup
WARNING
HIGH VOLTAGE is used or exposed during the performance
of this calibration. DEATH ON CONTACT may result if
personnel fail to observe safety precautions. REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable and after completion of
each performance check.
a. Remove protective cover from TI only to make adjustments and replace upon
completion.
b. If necessary, set ~ LINE SELECTOR switch (rear panel) to 86-127 V position.
c. Connect TI to a 115 V ac power source. Press POWER pushbutton to ON and
allow at least 10 minutes for stabilization.
d. Press TI function =V and 20 m range pushbuttons.
