TB 9-6625-2304-24
CALIBRATION PROCESS
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. Additional
maintenance information is contained in TM 11-6625-3267-24&P.
d. 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.
a. Open protective cover from TI when necessary to make adjustments and as
instructed in text. Close cover after completing the adjustments.
b. Connect calibrator and dc power supply as shown in figure 1.
c. Set calibrator for a 28 V dc and adjust dc power supply for a 36 V dc output.
Periodically monitor output of dc power supply to maintain the 36 ( 1.0) V dc.
d. Allow 1 hour for equipment warm-up before proceeding.
8. Dc Voltage
a. Performance Check
(1) Configure multimeter for most accurate dc voltage measurements.
(2) Connect multimeter INPUT HI to TI TP12 and LO to TP23. Multimeter will
indicate between 0.089550 and 0.090450 V dc.
(3) Repeat technique of (2) above while moving multimeter INPUT HI test lead to
each TI test point (TP) specified in table 3. Multimeter will indicate within the limits listed.
