TB 9-6625-1866-50
Paragraph
Page
Voltage dividers .................................................
Final procedure .................................................
CALIBRATION OF DIFFERENTIAL
VOLTMETERS AN/USM-98A AND
AN/USM-98B (J-F 801B, J-F 801 BR, AND
J-F 801B(AG)
Equipment and accessories required ..................
Preliminary procedure........................................
Dc VTVM and null range....................................
500-volt range and stability................................
50-volt range
.................................................
5-volt range
.................................................
0.5-volt range
.................................................
Voltage dividers .................................................
Final procedure .................................................
SPECIFIC ITEM IDENTIFICATION
Identification
.................................................
Secondary transfer calibration standards set.....
SECTION I
GENERAL
Differential Voltmeters AN/USM-98, AN/USM-98A, and AN/USM-98B (John Fluke Models
801, 801R, 801B, 801BR, and 801B/AG). It is to be used by personnel trained and qualified
in the use of calibration equipment.
2. Reporting of Equipment Publication Improvements. The reporting of errors,
omissions, and recommendations for improving this publication by the individual user
is encouraged. Reports should be submitted on DA Form 2028 (Recommended Changes
to Publications) and forwarded direct to: Commander, US Army Missile Materiel
Readiness Command, ATTN: DRSMI-MFPA, Redstone Arsenal, AL 35809.
3. Descriptive Data
a. Identification
Nomenclature
Military designation
AN/USM-98, AN/USM-98A, and AN/USM-98B
Manufacturer
John Fluke
Model number
801, 801R, 801B, 801BR, and 801B/AG
Reference
Manufacturer's instruction manual, TM 11-6625-599-12,
and TM 11-6625-599-45
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