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332A

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TB 9-4931-383-50
Change 4
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR
VOLTAGE STANDARAD, JOHN FLUKE,
MODELS 332A, 332B, AND 332B/AF
Headquarters, Department of the Army, Washington, DC
9 March 1988
TB 9-4931-383-50, 26 July 1976, is changed as follows:

1. Remove old pages and insert new pages as indicated below. New or changed material is
indicated by a vertical bar in the margin of the page.

Remove pages Insert pages
3 through 8 3 through 8
11 and 12 11 and 12

2. File this change sheet in front of the publication for reference purposes.

By Order of the Secretary of the Army:

CARL E. VUONO
General, United States Army
Chief of Staff

Official:

R. L. DILWORTH
Brigadier General, United States Army
The Adjutant General

Distribution:
To be distributed in accordance with Std. IDS No. RLC-1500, 17 Jun 85.

PIN NO: 009048-004
TB 9-4931-383-50
Change 3
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR
VOLTAGE STANDARAD, JOHN FLUKE,
MODELS 332A, 332B, AND 332B/AF
Headquarters, Department of the Army, Washington, DC
18 February 1983
TB 9-4931-383-50, 26 July 1976, is changed as follows:

1. Remove old pages and insert new pages as indicated below. New or changed material is
indicated by a vertical bar in the margin of the page.

Remove pages Insert pages
19 and 20 19 and 20

2. File this change sheet in front of the publication for reference purposes.

By Order of the Secretary of the Army:

E. C. MEYER
General, United States Army
Chief of Staff

Official:

ROBERT M. JOYCE
Major General, United States Army
The Adjutant General

Distribution:
To be distributed in accordance with Std. IDS. No. RLC-1500, 9 September 1982.

PIN NO: 009048-003
This is a reprint, including Changes 1 and 2.

*TB 9-4931-383-50
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR
VOLTAGE STANDARD, JOHN FLUKE
MODELS 332A, 332B, AND 332B/AF
Headquarters, Department of the Army, Washington, DC
26 July 1976

REPORTING OF ERRORS
You can help improve this publication by calling attention to errors and by
recommending improvements and stating your reasons for the
recommendations. Your letter or DA Form 2028, Recommended Changes to
Publications, should be mailed directly to Commander, U.S. Army Aviation and
Missile Command, ATTN: AMSAM-TMD-EP, Redstone Arsenal, A1 35898-5400.
You may also contact this office electronically. E-mail address is tmde-
[email protected]. FAX to DSN 788-2313 (commercial 256-842-2313). A
reply will be furnished directly to you.

Paragraph Page
SECTION I. IDENTIFICATION AND DESCRIPTION
Test instrument identification............................ 1 2
Calibration data card, DA Form 2416 ................ 2 2
Calibration description ....................................... 3 2

II. EQUIPMENT REQUIREMENTS
Equipment required ........................................... 4 3
Accessories required ........................................... 5 3

III. CALIBRATION PROCESS FOR MODEL
332A
Preliminary instructions .................................... 6 4
Regulation........................................................... 7 7
Zero voltage ........................................................ 8 9
Linearity ............................................................. 9 10
Output accuracy and tracking............................ 10 12
Panel meter, voltage trip, and current limit ...... 11 16
Power supply ...................................................... 12 17
Final procedure................................................... 13 18

_____________
*This bulletin supersedes TB 9-4931-383-50, 31 January 75, including all changes.
TB 9-4931-383-50
IV. CALIBRATION PROCESS FOR MODELS
332B AND 332B/AF
Preliminary instructions .................................... 14 18
Regulation........................................................... 15 21
Zero voltage ........................................................ 16 22
Linearity (model 332B)....................................... 17 23
Linearity (model 332B/AB)................................. 18 26
Output accuracy and tracking............................ 19 27
Panel meter (voltage).......................................... 20 30
Voltage trip ......................................................... 21 31
Panel meter (current) and current limit ............ 22 32
Power supply (model 332B) ................................ 23 33
Power supply (model 332B/AF) .......................... 24 34
Final procedure................................................... 25 34

SECTION I
IDENTIFICATION AND DESCRIPTION

1. Test Instrument Identification. This bulletin provides instructions for the
calibration of Voltage Standard, John Fluke Models 332A, 332B, and 332B/AF. The
manufacturers instruction manuals were used as the prime data source in compiling these
instructions. The equipment being calibrated will be referred to as the "TI" (test
instrument) throughout this bulletin.

a. Model Variations. On model 332A with serial numbers 123 through 332, the X
position of voltage dials 2 through 7 is labeled 10.

b. Time and Technique. The time required for this calibration is approximately 4
hours, using the dc and low frequency technique.

2. Calibration Data Card, DA Form 2416

a. Forms, records, and reports required for calibration personnel at all levels are
prescribed by TM 38-750. DA Form 2416 must be annotated in accordance with TM 38-750
for each calibration performed.

b. Adjustments to be reported on DA Form 2416 are designated (R) at the end of the
sentence in which they appear. When adjustments are in tables, the (R) will follow the
designated adjustment. Report only those adjustments made and designated with (R).

3. Calibration Description. TI parameters and performance specifications which
pertain to this calibration are listed in table 1.

2
TB 9-4931-383-50
Table 1. Calibration Description
Test Instrument Parameters Performance Specifications1
Voltage range 10-v range; 0 to 11.111110 v (1-

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