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HP 3325A Calibration Manual: Calibration Process; Preliminary Instructions; Equipment Setup

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TB 9-6625-2049-35

6. Preliminary Instructions

a. The instructions outlined in paragraphs 6 and 7 are preparatory to the 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 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.
maintenance information is contained in TM 11-6625-3065-14 and the manufacturer's
manual for this TI.
d. When indications specified in paragraphs 8 through 19 are not within tolerance,
perform the power supply check prior to making adjustments.
made, repeat paragraphs 8 through 19. 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

HIGH VOLTAGE is used or exposed during the performance of
this calibration.
personnel fail to observe safety precautions.
OUTPUT(S)
performance check where applicable.
Before connecting TI to power source, make sure TI is set to
the power source line voltage shown on rear of TI.
a. Connect TI to a 115 V ac source. Press POWER pushbutton to ON and allow at
least 24 hours (72 hours for option 001) for warmup.
b. Before continuing, review (1) through (4) below:
(1) The SWEEP LINEAR/LOG, ENTRY, FUNCTION, SIGNAL, and blue keys
each have an indicator denoting that it is activated.
(2) When power is applied to the TI, some keys will be lit.
(3) Pressing any FUNCTION key that is active will delete that function and no ac
signal will be present at the output.
(4) Some instructions will be repeated during programming. This is done to ensure
correct output is available.
6
SECTION III

CALIBRATION PROCESS

WARNING
DEATH ON CONTACT may result if
to
minimum
after
CAUTION
After adjustments are
REDUCE
each
step
within
Additional
the

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  • Bruce Jones Dec 31, 2012 04:54:
    Thsi is not a User Manual. It is a calibratio​n standard from the US Army.