TABLE III. Accuracy of type II, classes 1, 2, 3, 4, 6, and 7, disks in ppm.
Class 1
Class 2
Class 3
Class 4
Class 6
Class 7
0.1 + .05, - .01
3.0 +/- .12
0.1 +/- .01
0.1 +/- .01
0.5, - .01, + 4
Tolerance
10 ppm shall
0.3 +/- .05
3.5 +/- .12
0.15 +/- .01
0.15 +/- .01
15 + 2.5, - 4
be +/- 0.5,
tolerance on
0.5 +/- .06, - .05
4.0 +/- .12
0.20 + .04, - .01
0.25 + .04, - .01
25 + 6, - 2.5
all other
ppm values
0.75 +/- .06
4.5 +/- .12
0.35 +/- .04
0.5 + .06, - .04
50 +/- 6
shall be +/-
10 percent
1.0 + .12, - .06
5.0 + .25, - .12
0.5 + .06, - .04
1.0 + .10, - .07
75 +/- 6
of the value
1.5 +/- .12
6.0 + .038, -
0.75 +/- .07
1.5 + .15, - .10
100 + 12.5, - 6
.25
2.0 + .25, - .12
1.0 + .10, - .07
2.5 + .50, - .25
150 +/ - 12.5
7.5 + .12, - .38
3.0 + .50, - .25
1.4 + .15, - .10
5.0 +/- .50
200 +/- 12.5
8.0 + .50, - .12
5.0 +/- .50
2.0 +/- .15
10.0 +/- .50
250 +/- 12.5
10.0 +/- .50
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