TB 9-6625-2262-24
EQUIPMENT REQUIREMENTS
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Sets AN/GSM-286, AN/GSM-287 or AN/GSM-705. Alternate items may be used
by the calibrating activity. The items selected must be verified to perform satisfactorily
prior to use and must bear evidence of current calibration. The equipment must meet or
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. 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.
Table 2. Minimum Specifications of Equipment Required
Manufacturer and model
Common name
Minimum use specifications
(part number)
CALIBRATOR
Dc voltage
Fluke, Model 5720A (5720A)
Range: 300 mV to 1000 V
(p/o MIS-35947); w amplifier,
Accuracy: 0.055%
Fluke 5725A/AR (5725A/AR)
Ac voltage
Range: 300 mV to 300 V, 40 Hz and 1.9 kHz
Accuracy: 0.15%
Range: 300 mV to 300 V, 9.9 kHz
Accuracy: 0.52%
Range: 300 mV to 300 V, 30 kHz
Accuracy: 1.08%
Range: 1000 V, 40 Hz and 1.9 kHz
Accuracy: 0.325%
Range: 1000 V, 10 kHz
Accuracy: 0.825%
Accuracy: (%)
Range:
190
0.105
1.9 k thru 19 M
0.065
19 M
0.262
100 M
0.75
Dc current
Range: 300 A to 9.5 A
Accuracy: 0.2%
Ac current
Range: 300 A to 9.5 A
Frequency: 40 Hz and 1 kHz
Accuracy: 0.392%