TB 9-6625-2176-35
SECTION II
EQUIPMENT REQUIREMENTS
table 2 provide a
four-to-one ratio between the standard
4. Equipment Required.
Table 2
identifies the specific
and TI.
equipment to be used in this calibration procedure. This
equipment is issued with Secondary Transfer Calibration
5. Accessories Required. The accessories listed in
Standards Set AN/GSM-286. Alternate items may be
used by the calibrating activity when the equipment
listed in table 2 is not available. The items selected
necessary, these items
may be substituted by
must be verified to perform satisfactorily prior to use
equivalent items, unless specifically prohibited.
equipment must meet or exceed the minimum use
specifications listed in table 2. The accuracies listed in
Table 2. Minimum Specifications of Equipment Required
Item
Common name
Minimum use
Manufacturer and model
specifications
(part number)
A1
Range: 105 to 125 V ac
General Radio, Model
Accuracy: 1%
W10MT3AS3 or Ridge,
Model 9020F (7910809)
A2
DC VOLTAGE STANDARD
Range:
0 to 5 V dc
John Fluke, Model 332B/AF
Accuracy: 0.01%
(332B/AF)
Hewlett-Packard, Model
A3
Range: 0 to -12 V dc
3490AOPT060 (3490AOPT060)
0.0167 to 1.820
Dana, Model 5000, or Dana,
V rms
Model 5000 w/641
Accuracy: 0.75%
A4
Range: 0.9 to 1.1 mV
John Fluke, Model 887AB/AN
Accuracy: 0.75%
(887AB/AN)
A5
Range: 50 kHz to 100 MHz
Hewlett-Packard, Model
Accuracy: 0.5%
5345A (MIS-28754/1
Type 1) w/5355A and
K87-59992A
A6
THERMAL CONVERTER
Range: 50 kHz to 100 MHz
Ballantine, Model 1394A
at 5 V
(MIS-10221)
Accuracy: 0.75%
3