TB 9-6670-258-35
EQUIPMENT REQUIREMENTS
4. Equipment
Required. Table 2
identifies the
specific equipment to be
used in this
calibration procedure. This equipment is issued with Secondary Transfer Calibration
Standards Set AN/GSM-287 or AN/GSM-705 and Secondary Reference Calibration
Standards Set NSN 4931-00-621-7878. 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 exceed the minimum use
specifications listed in table 2. The accuracies listed in table 2 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. The following peculiar accessory is also required for this calibration:
Lower adapter, fabricated, to be used when performing alternate reference technique.
Table 2. Minimum Specifications of
Equipment Required
Manufacturer and model
Common name
Minimum use specifications
(part number)
LOAD CELL NO. 11
Range: 0 to 2025 lbs
Revere Corp., Model USP1-2B
(MIS-26331TY1)
Accuracy: 0.0625% (.1%)
LOAD CELL NO. 21
Range: 0 to 5025 lbs
Revere Corp., Model USP1-5B
(MIS-26331TY2)
Accuracy: 0.0625% (.1%)
LOAD CELL NO. 31
Range: 0 to 15,037.5 lbs
Revere Corp., Model USP1-20B
(MIS-26331 TY3)
Accuracy: 0.0625% (.1%)
LOAD CELL NO. 41, 2
Range: 0 to 50,125 lbs
Toroid Corp., Model 35-133BCF60K
(MIS-26331TY4)
Accuracy: 0.0625% (.1%)
LOAD CELL
Range: 0 to 12,000 counts
Force Torque Indicator, MGCPLUS,
INDICATOR
(13589298)
Accuracy: 0.01% FS
Measurement capability: 24 V dc
Fluke, Model 8840A/AF05
(AN/GSM-64D)
Range: 1.50 V p-p
(OS-303/G)
Accuracy: 3%
1
Limited deployed item at transfer.
2
To be used when performing alternate reference technique.
BLH, MODEL C1; AND REVERE, MODELS
C46500, C55800-4-25, C7500, CS7, AND ROADRUNNER II
6. Preliminary
Instructions
a. The
instructions outlined in
paragraphs 6 and
7 are preparatory to the
calibration
process. Personnel should become familiar with the entire bulletin before beginning the
calibration.