TB 9-6625-1966-24
EQUIPMENT REQUIREMENTS
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Set AN/GSM-286; AN/GSM 297; or 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.
5. Accessories Required. 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 accessories are also required for this
calibration: Decade Resistor, Winslow 336 (7907234) and Probe, X10 passive (P6106).
Table 2. Minimum Specifications of Equipment Required
Manufacturer and model
Common name
Minimum use specifications
(part number)
AUDIO ANALYZER
Range:
1 kHz to 100 kHz
Boonton, Model 1121 (1121)
Accuracy:
0.25% distortion
AUTOTRANSFORMER
Range:
105 to 125 V
Ridge, Model 9020A
(9020A)
Accuracy:
1%
CALIBRATOR
Range: 3.535 to 4.242 Vac at
Fluke, Model 5720A (5700EP)
100 Hz and 10 kHz
(p/o MIS-35947)
Accuracy:
0.25%
Range:
0 to 6 Vdc
Accuracy:
0.125%
FREQUENCY COUNTER
Range:
0.01 Hz to 105 kHz
Fluke, Model PM6681/656
(PM6681/656)
Accuracy:
0.06%
Range:
4.85 to 5.15 V ac to
Agilent, Model 3458A (3458A)
100 kHz
Accuracy:
1.25%
Range:
-26.48 to +26.52 V dc
Accuracy:
0.25%
Range:
200 mV to 35 V
Agilent, OS-303/G (OS-303/G)
3%
Accuracy:
Risetime: <62 ns