TB 9-6685-363-50
SECTION II. EQUIPMENT REQUIREMENTS
4. Equipment Required. Table 2 identifies the specific equipment used in this calibration procedure. This equipment is
issued with the secondary transfer calibration standards set and is to be used in performing this procedure. 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. The accuracies listed in table 2 provide a three-to-one
accuracy ratio between the standard and TI. Where the three-to-one ratio cannot be met, the actual accuracy of the
equipment selected is shown in parenthesis.
5. Accessories Required. The accessories listed in table 3 are issued with the secondary transfer calibration standards
set and are to be used in this calibration procedure. When necessary, these items may be substituted by equivalent items
unless specifically prohibited.
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