*TB 9-6625-2325-35
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR
TRUE RMS VOLTMETER
JOHN FLUKE, MODELS
8920A AND 8921A
Headquarters, Department of the Army, Washington, DC
17 August 2001
Approved for public release, distribution is unlimited.
REPORTING OF ERRORS AND RECOMMENDING IMPROVEMENTS
You can help improve this publication. If you find any mistakes or if you know of a way
to improve the procedure, please let us know. Mail your letter or DA Form 2028 to:
Commander, U. S. Army Aviation and Missile Command, ATTN: AMSAM-MMC-MA-
NP, Redstone Arsenal, AL 35898-5230. A reply will be furnished to you. You may also
send in your comments electronically to our e-mail address: 2028@redstone.army.mil, or
FAX 256-842-6546/DSN 788-6546. Instructions for sending an electronic 2028 may be
found at the back of this publication.
Paragraph
Page
IDENTIFICATION AND DESCRIPTION
Test instrument identification .............................
Forms, records, and reports ................................
Calibration description ........................................
EQUIPMENT REQUIREMENTS
Equipment required............................................
Accessories required............................................
CALIBRATION PROCESS
Preliminary instructions.....................................
Equipment setup ................................................
Low and midband accuracy................................
High frequency response .....................................
dB display mode..................................................
Linear analog output (model 8920A only) .............
Power supply......................................................
Final procedure ..................................................
__________
∗ This bulletin and TB 9-6625-2324-35 supersede TB 9-6695-258-35, dated 28 August 1995.
