*TB 9-6625-2270-35
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR
AN/USM-486 (U)
(JOHN FLUKE, MODEL 8050A/FM)
Headquarters, Department of the Army, Washington, DC
19 March 2003
Approved for public release; distribution is unlimited.
REPORTING OF ERRORS AND RECOMMENDING IMPROVEMENTS
You can improve this manual. If you find any mistakes or if you know of a way to improve
these procedures, please let us know. Mail your letter, DA Form 2028 (Recommended Changes
to Publications and Blank Forms), or DA Form 2028, directly to Commander, U.S. Army
Aviation and Missile Command, ATTN: AMSAM-MMC-MA-NP, Redstone Arsenal, AL 35898-
5000. A reply will be furnished to you. You may also provide DA Form 2028 information to
AMCOM via e-mail, fax, or the World Wide Web. Our FAX number is: DSN 788-6546 or
Commercial 256-842-6546. Our e-mail address is: 2028@redstone.army.mil. Instructions for
sending an electronic 2028 may be found at the back of this manual. For the World Wide Web,
use: https://amcom2028.redstone.army.mil.
Page
Paragraph
IDENTIFICATION AND DESCRIPTION
Test instrument identification ....................
Forms, records, and reports........................
EQUIPMENT REQUIREMENTS
Equipment required ...................................
Accessories required...................................
Preliminary instructions ............................
Equipment setup........................................
Dc voltage ..................................................
Ac voltage ..................................................
dB display ..................................................
Dc current..................................................
Resistance..................................................
Final procedure ..........................................
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*This bulletin supersedes TB 9-6625-2270-35, dated 24 November 2000.