TB 9-6670-254-50
the four-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 8 are issued as
indicated in
paragraph 4 above and
are used in this
calibration procedure. When necessary, these items
may be substituted by equivalent items, unless specifically prohibited.
Table 7. Minimum Specifications of
Equipment Required
Minimum use
Manufacturer and model
Item
Common name
specifications
(part number)
Tromner, Model 175G
A1
BALANCE (DOUBLE Range: 10 to 200 lbs
(7910450)
PAN)
Accuracy:
65 mg at full
load
A2
BALANCE (SINGLE
Range: 1 mg to 5 kg
Voland Corp., Model J5000S
PAN)
Accuracy:
1.5 mg (4.5 mg)
(MIS-10410)
A3
BALANCE (DOUBLE
Range: 0.1 mg to 250 g
Voland Corp., Model 200-B
PAN)
(0.3 mg)
(7907117)
1
Accuracy:
0.1 mg at full
load
A4
DIGITAL
Range: 0 to 1100 mV
Hewlett-Packard, Model
3490AOPT060
0.5%
Accuracy:
(3490AOPT060)
A5
WEIGHT
Range: 50 lbs (1 each)
(7909945)
Accuracy:
NBS Class S-1
A6
WEIGHT
Range: 20 lbs (1 each)
(7910453)
Accuracy:
NBS Class S-1
A7
WEIGHT SET
Range: 0.001 to 0.5 lb
(7907377)
(1 each 0.001,
0.005, 0.01,
0.05, 0.1, 0.5
lb) (2 each
0.002, 0.02,
0.2 lb)
Accuracy: NBS Class S-1
A8
WEIGHT SET
Range: 1 to 25 lbs
(7907378)
(1 each 1, 5,
25 lbs) (2 each
2, 10 lbs)
Accuracy: NBS Class S-1
A9
WEIGHT SET
Range: 1/64 to 10 oz
(7909971)
(1 each 1/32,
1/16, 1/8, 1/4,
1/2, 1, 2, 4,
5, 10 oz) (2
each 1/64 oz)
Accuracy: NBS Class S-1
See footnote at end of table.