Table 2. Minimum Specifications of Equipment Required

SECTION I. IDENTIFICATION AND DESCRIPTION

Equipment Setup

Calibration Procedure For Selective Voltmeter Model 3581C Page Navigation
2

TB 9-6625-2143-24

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, AN/GSM-287, and AN/GSM-705. 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. Where the four-to-one ratio cannot be met, the actual accuracy of the

equipment selected is shown in parenthesis.

5. Accessories Required. 5. 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. The following peculiar accessory is also required for this calibration:

Extender board, 10-pin (HP-5060-0091).

Table 2. Minimum Specifications of Equipment Required

Manufacturer and model

Common name

Minimum use specifications

(part number

FREQUENCY COUNTER

Range: 9.5 to 10.5 kHz

Fluke, Model PM6681/656

Accuracy: 0.25 Hz

(PM6681/656)

FUNCTION/ARBITRARY

Frequency range: 15 Hz to 50 kHz

Agilent, Model 33250A

GENERATOR

Resolution: 0.1 Hz

(33250A)

Amplitude range: +3.01 to +23.01 dBm

Accuracy: 0.1 dB

MULTIMETER

Range: 0 to 10.5 V dc

Agilent, Model 3458A

100 to 150 mV ac

(3458A)

Accuracy: 0.025%

SYNTHESIZER LEVEL

Frequency range: 10 kHz

Agilent, Model

Accuracy: 0.1 Hz

GENERATOR

3335AOPT 001K-06

(MIS-35938)

Amplitude range: -67.99 to +13.01 dB

Accuracy: 0.1 dB

SECTION III

CALIBRATION PROCESS

6. Preliminary Instructions

a. The instructions outlined in paragraphs 6 and 7 are preparatory to the calibration

process. Personnel should become familiar with the entire bulletin before beginning the

calibration.

b. Items of equipment used in this procedure are referenced within the text by common

name as listed in table 2.

c. Unless otherwise specified, verify the result of each test, and whenever the test

requirement is not met, take corrective action before continuing with the calibration.

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