TB 9-6695-293-50
AMPLIFIER, JOHN FLUKE, MODEL 5725A/( )
16. Preliminary
Instructions
a. The
instructions outlined in
paragraphs 16 and
17 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
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 calibrator
connected to the TI.
WARNING
HIGH VOLTAGE is used or exposed during the performance of
personnel fail to observe safety precautions. REDUCE
OUTPUT(S) to a minimum after each step within the
performance check where applicable.
NOTE
Instructions which refer to the John Fluke, Model 5700A/( )
also pertain to John Fluke, Model 5720A/( ).
a. Connect TI to calibrator, John Fluke, Model 5700A/( ).
The calibrator does not
necessarily have to be the one normally used with the TI.
b. Connect TI and calibrator to a 115 V ac source.
c. Set TI and calibrator power switches to ON and allow 30 minutes warmup.
18. Artifact Calibration
5725A/( )
a. If TI is being calibrated in conjunction with a 5700A/( ) calibrator, the artifact
calibration should have already been performed; therefore, proceed to paragraph 19 below.
b. If TI is
being calibrated separately, perform paragraph 8 above (Artifact Calibration)