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*TB 9-6625-2352-35
DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
CALIBRATION PROCEDURE FOR ANALOG
MULTIMETERS 0 TO 6000 VOLTS
(GENERAL)
Headquarters, Department of the Army, Washington, DC
3 June 2005
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
[email protected]. 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.
Paragraph Page
SECTION I. IDENTIFICATION AND DESCRIPTION
Test instrument identification ........................... 1 2
Forms, records and reports.................................. 2 2
Calibration description ....................................... 3 2
II. EQUIPMENT REQUIREMENTS
Equipment required ............................................ 4 3
Accessories required ............................................ 5 3
III. CALIBRATION PROCESS
Preliminary instructions ..................................... 6 3
Equipment setup ................................................. 7 4
Dc voltage ............................................................. 8 4
Ac voltage.............................................................. 9 4
Resistance ............................................................. 10 5
Dc current ............................................................. 11 5
Final procedure .................................................... 12 31
_________
*This bulletin supersedes TB 9-6625-2352-35, dated 15 April 2004.
TB 9-6625-2352-35
SECTION I
IDENTIFICATION AND DESCRIPTION
1. Test Instrument Identification. This bulletin provides instructions for the
calibration of Analog Multimeters 0 to 6000 Volts (General) listed in table 1. The
manufacturers' manuals or TMs were used as the prime data sources in compiling these
instructions. The equipment being calibrated will be referred to as the TI (test instrument)
throughout this bulletin.
a. Model Variations. Variations among models are described in text, tables and figures.
b. Time and Technique. The time required for each calibration is approximately 2
hours, using the dc and low frequency technique.
2. Forms, Records, and Reports
a. Forms, records, and reports required for calibration personnel at all levels are
prescribed by TB 750-25.
b. Adjustments to be reported are designated (R) at the end of the sentence in which
they appear. When adjustments are in tables, the (R) follows 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.
Table 1. Test Instrument
Tables for specifications, calibration
Models or performance limits, and figures for adjustments
Manufacturers military designators Tables Figures
--- ME-297//U 3 1
--- TS-352( )/U 4 2
Simpson 260 5 ---
Simpson 260-3 6 3
Simpson 260-4 7 4
Simpson 260-5 8 5
Simpson 269 9 ---
Simpson 269 Series III 10 6
Simpson 270 11 7
Triplett 310 12 ---
Triplett 630 13 ---
Triplett 630NA 14 8
Triplett 630PL 15 ---
Triplett 666R 16 ---
2
TB 9-6625-2352-35
SECTION II
EQUIPMENT REQUIREMENTS
4. Equipment Required. Table 2 identifies the specific equipment to be used in this
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Set AN/GSM-286, and AN/GSM-287. Alternate items may be used by the
calibrating activity. The items selected must be verified to perform satisfactorily prior to
use and must bear evidence of current calibration. The equipment must meet or exceed the
minimum use specifications listed in table 2. The accuracies listed in table 2 provide a four-
to-one ratio between the standard and TI.
5. Accessories Required. The accessories required for this calibration are common
usage accessories issued as indicated in paragraph 4 above, and are not listed in this
calibration procedure.
Table 2. Minimum Specifications of Equipment Required
Manufacturer and model (part
Common name Minimum use specifications1
number)
CALIBRATOR Dc voltage: Range: 0 to 1100 V Fluke, Model 5720A (5700A/EP)
Accuracy: