TB 9-6625-2227-24
EQUIPMENT REQUIREMENTS
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Set AN/GSM-286, AN/GSM-287 or AN/GSM-705. Alternate items may be used
by the calibrating activity. The item 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)
Fluke, Model 5720A (5720A) (p/o
CALIBRATOR
Ac voltage:
MIS-35947); w amplifier, Fluke
Range: 190.0 mV to 1000 V ac
5725A/AR (5725A/AR)
Frequency: 30 Hz to 100 kHz
Accuracy: 0.118%
Dc voltage:
Range: 190.0 mV to 1100 V dc
Accuracy: 0.039%
Dc current:
Range: 190 A to 1900 mA
Accuracy:
0.1%
Range: 10.01 to 1000 M
Accuracy: 0.1%
Range: 1.000 M to 10 M
Accuracy: 0.25%
Agilent, Model 3458A (3458A)
Range: 7.00 V dc
Accuracy: 0.036%
Range: 9980 to 10020 Hz
Accuracy: 0.05%