Section II EQUIPMENT REQUIREMENTS

TB 55-4920-431-35

Section II

EQUIPMENT REQUIREMENTS

Equipment Required. Table 2 identifies the specific equipment to be used

in this calibration procedure. This equipment is issued with Secondary Transfer

Calibration Standards Sets, AN/GSM-286. Alternate items may be used by the

calibrating activity when the equipment listed in table 2 is not available. 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.

Accessories Required. The accessories listed in table 3 are issued as

indicated in paragraph 4 above and are used in this calibration procedure. When

necessary, these items may be substituted by equivalent items, unless specifically

prohibited.

Special Equipment Required.

Table 4 identifies special equipment required

for the calibration procedure.

Table 2.

Minimum Specifications of Equipment Required

Manufacturer,

Minimum Use

Model, and

Item

Common Name

Specifications

Part Number

DIGITAL

Range:

27.5 to 28.5

Hewlett-Packard

MULTIMETER

vdc

Model 3490A

Accuracy: ±0.45%

(Option 060)

ELECTRONIC

Range:

405Hz to

Hewlett-Packard

COUNTER

5693 Hz

Model 5345A

Accuracy: ±0.05%

(MIS 28754 Type 1)

TEST

Range:

405Hz to

Hewlett-Packard

OSCILLATOR

5693Hz

Model 652A

(MIS-10224)

DC POWER

Range:

27.5 to

NJE,

SUPPLY

28.5 vdc

Model CS36CR30

(7907346-2)