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TB 9-6625-086-35
3
5. Accessories Required.
The accessories listed in table 3 are issued with the secondary
transfer calibration standards sets 6695-00-621-7877 and 4931-00-525-8175 and
maintenance calibration shelter AN/TSM-55. When necessary, these items may be
substituted by equivalent items unless specifically prohibited.
Table 2. Minimum Specifications of Equipment Required
Item
Common name
Minimum use
specifications
Manufacturer and model
(part number)
Transfer
(6625-00-621-
7877)
Maintenance
(AN/TSM-55)
Maintenance
(4931-00-525-
8175)
A1
AUTOTRANSFORMER
Range: 105 to 125 V ac General Radio,
Model
W10MT3AS3
(7910809)
TS 510/U
General Radio,
Model
W10MT3AS3
(7910809)
A2
DC POWER SUPPLY
1
Range: 0 to 25 vdc
TS 2734/U
John Fluke,
Model 760A
A3
DC VOLTMETER
Range: 0 5 to 25 vdc
Accuracy:
±
0.05%
Dana, Model
5703-S-2127
(7912606)
John Fluke,
Model 882AB
(TS-2843/U)
Hewlett-
Packard, Model
3490A
A4
FREQUENCY
COUNTER
Range: 9950 to 10,275
Hz
Accuracy:
±
0.025%
Systron-
Donner
Model 1037-
M (7910823)
(P/O
7910628)
AN/USM-
257A
Hewlett-
Packard, Model
5245L
A5
POWER METER
CALIBRATOR
Range: 0.01 to 10 mw
Accuracy:
±
0.25%
Hewlett-
Packard
8402B
(7911026)
AN/USM-317
A6
RESISTANCE
1
DECADE
Range: 1 k ohm
Accuracy:
±
0.05%
Biddle-Gray,
Model 71-631
(7910328)
A7
RESISTANCE
1
DECADE
Range: 10 k ohm
Accuracy: Nominal
CMC, Model
240C (7907234)
A8
THERMISTOR
MOUNT
Range: 10 MHz to 12.4
GHz
Accuracy:
±
5%
10 MHz to 10 GHz
Hewlett-
Packard,
Models
478A
(7910461)
MX-7772/U
Hewlett-
Packard, Model
478A (7910461)
8.2 to 12.4 GHz
X486A
(7910460)
Hewlett-
Packard,
Model X486A
1
Not used if power meter calibrator (A5) is available.
Table 3. Accessories Required
Item
Common name
Description and Part Number
B1
Adapter
Double banana jack to BNC plug (7909401)
B2
Adapter
Double banana jack to phone plug (7907566)
B3
Cable
1
24-in., single banana plug terminations (red) (7907497)
B4
Cable
1
24-in., single banana plug terminations (black) (7907498)
B5
Cable
36-in., BNC plug to alligator clips (7909410)
B6
Termination
50-ohm, N jack (374 NM)
1
Three required when using maintenance standard set 4931-00-525-8175.
Summary of Contents for 431B
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