TB 9-4931-504-50
EQUIPMENT REQUIREMENTS
4. Equipment
Required. Table 2 identifies the
specific equipment used in this
calibration procedure.
This equipment is issued with the Secondary Transfer
Calibration Set NSN 4931-00-621-7877 and is to be used in performing this procedure.
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.
5. Accessories Required. The
accessories listed in
table 3 are
issued as
indicated in
paragraph 4 above, and are to be
used in this
calibration procedure. When
necessary,
these items may be substituted by equivalent items unless specifically prohibited.
Table 2. Minimum Specifications of
Equipment Required
Common name and/or
Manufacturer, model and part
Item
(official nomenclature)
Minimum use specifications
number
A1
AC CALIBRATOR
Range: 3.42 to 911 mV rms
Hewlett-Packard, Model 745A-
at 50 kHz
C90 (MIS-10342, Type 2)
(AC PRECISION
CALIBRATION STANDARD)
Accuracy: 0.75%
A2
Range: -30.9 to +30.9 V dc
Dana, Model 5703-S-2127
(7912606)
Accuracy: 0.75%
A3
Must be supplied with TI
Tektronix, Type 5440 (MIS-
28706-1)
A4
Range:
87.5 ps or less
Hewlett-Packard, Model 1105A/
1106A (MIS-10215)
A5
Range:
10 to 500 MHz
Hewlett-Packard, Model 8640B
(MIS-28707)
A6
SQUARE-WAVE
Range:
100 kHz
Tektronix, Type 106 (MIS-
GENERATOR
10284 TY 1)
A7
Range:
1 to 10 MHz
Hewlett-Packard, Model 652A
(MIS-10224)
A8
TIME-MARK
Range:
2 ns to 10 ms
Tektronix, Type 184 MOD146B
GENERATOR
(7912042-1)
Accuracy: +0.75%
Item
Common name and/or(official
Description and part number
nomenclature)
B1
ADAPTER (DUAL INPUT CONNECTOR)
BNC dual input connector; 2 jacks, 1 plug;
Tektronix, Type 067-0525-00 (067-0525-00)
B2
ADAPTER (ELECTRICAL PLUG
7MM to BNC Jack (7913349-2)
(CONNECTOR)
B3
ADAPTER
BNC jack to N plug (10519457)
B4
30-in., RG-58/U; BNC plug terminations
ASSEMBLY)
(7907467)
B5
CABLE (TEST LEAD)
36-in., RG-58/U; BNC plug to double banana plug
terminations (7907471)
B6
EXTENDER 1
Tektronix, Type 067-0645-00 (067-0645-00)
1Two
required.