TB 9-6625-2194-24
5. Accessories Required. The accessories required for this calibration are common
usage accessories issued as indicated in paragraph 4 above, and are not listed in this
calibration procedure. The following peculiar accessory is also required for this calibration:
Shielded pair, No. 18 AWG solid copper conductor, MIS 10312 - 2 each.
Table 2. Minimum Specifications of Equipment Required
Common name
Minimum use specifications
Manufacturer and model
(part number)
CALIBRATOR
Range: 0 to 1000 V
Fluke, Model 5720A (5720A) (p/o MIS-
35947); w amplifier, Fluke 5725A/AR
Accuracy: 0.25%
(5725A/AR)
DC VOLTAGE
ESI, Model RV722 (RV722)
Range: 0.0000000 to 0.0100000
DIVIDER
Accuracy: 0.25%
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 the manufacturers' manuals for this TI.
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.
NOTE
Perform a and b below for models 845AB and 845ABAF only.
a. Set POWER switch to BAT CHK.