TB 9-6625-2279-35
Manufacturer and model
Common name
Minimum use specifications
(part number)
CALIBRATOR
Dc volts:
John Fluke, Model 5720A
Range: 242.5 mV to 1030 V
(p/o MIS-35947)
Accuracy: .75%
Dc current:
Range: 48.5 A to 515 mA
Accuracy: .75%
Ac volts:
Range: 2.375 to 1050 V
Accuracy: 1.25%
Range: 17.74Ω to 225531.9 Ω
Biddle-Gray, Model 71-631(7910328)
STANDARD
Accuracy: +2.83%
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.
Additional maintenance information is contained in the manufacturer's manual 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.
8. Dc Voltage
a. Performance Check
(1) Connect calibrator output to TI + and COM.
(2) Set TI function/range switch to 0.25 DCV.
