DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR
ELECTRONIC COUNTER
HEWLETT-PACKARD, MODELS 5245L AND 5245M, AND
INTERNAL TIMER, HEWLETT-PACKARD, MODEL 5262A
Headquarters, Department of the Army, Washington, DC
31 October 2007
Distribution Statement A: 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 or DA Form 2028 (Recommended Changes to
Publications and Blank Forms) 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 send in your comments electronically to our E-mail address:
2028@redstone.army.mil or by fax 256-842-6546/DSN 788-6546. For the World Wide Web use:
https://amcom2028.redstone.army.mil. Instructions for sending an electronic 2028 can be found at
the back of this manual.
Paragraph
Page
IDENTIFICATION AND DESCRIPTION
Test instrument identification ...........................
Forms, records, and reports ................................
Calibration description .......................................
EQUIPMENT REQUIREMENTS
Equipment required ............................................
Accessories required ............................................
CALIBRATION PROCESS FOR
ELECTRONIC COUNTER, HEWLETT-
PACKARD MODELS 5245L AND 5245M
Preliminary instructions .....................................
Equipment setup .................................................
Oscillator stability................................................
Self check ..............................................................
Input amplifier sensitivity...................................
Ratio input amplifier sensitivity .........................
Power supply ........................................................
Final procedure ....................................................
CALIBRATION PROCESS FOR INTERVAL
TIMER, MODEL 5262A
Preliminary instructions......................................
Equipment setup ..................................................
__________
*This bulletin supersedes TB 9-6625-781-35, 8 September 1988, including all changes.
