Levels of Support

TB 750-25

Instrument Master Record File. The data file that contains identifying information

about instruments that require cyclic calibration and repair. It also contains identifying

information about instruments that require repair but do not require calibration.

Interservice Support Agreement. Calibration and maintenance service performed by

the organic capability of one military service (or element thereof), contractor, and other

government agencies in support of another military service (or element thereof). Such

action can be recurring or non-recurring in character.

Levels of Support

(1) The letter F identifies those TMDE-SP items which are to be supported by

item owner or intermediate direct support/general support (DS/GS) units.

(2) The letter T identifies those items of TMDE which are to be supported by

the Area TMDE Support Team (ATST) or TMDE Support Center (TSC). ARNG may

support items identified as T level.

(3) The letter S identifies those items of TMDE which are to be supported by

the Army Calibration Laboratory (ACL) or by the closest support activity that has the

appropriate "S" level support capability.

(4) The letter P indicates support responsibility is assigned to the APSL or by

the closest support activity that has the appropriate "P", level support capability.

Manual Test. Test performed using manual equipment.

Measurement Equipment.

Equipment used to observe a quantitative value or

dimension.

Measurement Standard. An instrument, natural physical constant, or materiel with

known performance characteristics used as a reference to establish the value and

maintain accuracy of a measurement system or instrument.

Measurement System.

One or more measurement standard and accessories

interconnected to perform a complete measurement from the first operation to the end

result.

Measurement Techniques. The technical methods derived from scientific principles

that are employed in order to determine or ascertain the value of a parameter (length,

mass, time, voltage, etc.).

Metrology. The science of measurement including development of standards and

systems for absolute and relative measurement.

F-4