CALIBRATION PROCEDURE FOR TESTER, EXHAUST GAS TEMPERATURE, HOWELL INSTRUMENTS, INC., MODEL BH112JB-( )

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

CALIBRATION PROCEDURE FOR

TESTER, EXHAUST GAS TEMPERATURE,

HOWELL INSTRUMENTS, INC.,

MODEL BH112JB-( )

Headquarters, Department of the Army, Washington, DC

11 March 2004

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,

US Army Aviation and Missile Command, 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.

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IDENTIFICATION AND DESCRIPTION

Test instrument identification...........................

Forms, records, and reports ...............................

Calibration description ......................................

EQUIPMENT REQUIREMENTS

Equipment required ...........................................

Accessories required ...........................................

CALIBRATION PROCESS

Preliminary instructions....................................

Equipment setup ................................................

Temperature indicator .......................................

Calibrator board .................................................

% RPM indicator.................................................

Standard day.......................................................

Heater probe control...........................................

Insulation resistance ..........................................

Resistance check .................................................

Aircraft indicator ................................................

Final procedure...................................................

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*This bulletin supersedes TB 9-4920-454-35, dated 6 January 1998.