TB 9-5210-204-24
(2) Adjustment procedures vary with manufacturer.
Adjust in accordance with
manufacturer's manual. (R)
10. Length Measurement for Micrometers Without Adjustable Mandrels and
Checking Standards
a. Performance Check. Select and use appropriate gage block(s) from gage block set
to check TI at full range, in accordance with table 5. Reading must be within the maximum
error; repeat this step for 1/2, 1/4, 1/8, and 1/20 of full range for the size of the TI.
Maximum error
TI
TI
Gage Block values
inches
Size
Range
Resolution
1/20 range
inches
inches
Full range
1/2 range
1/4 range
1/8 range
0.0001
0.001
1
0-1
1.0000
0.5000
0.2500
0.1200
0.0500
0.0001 0.001
2
1-2
2.0000
1.5000
1.2500
1. 1200
1.0500
0.0002 0.001
3
2-3
3.0000
2.5000
2.2500
2.1200
2.0500
0.0002 0.001
4
3-4
4.0000
3.5000
3.2500
3.1200
3.0500
0.0002 0.001
5
4-5
5.0000
4.5000
4.2500
4.1200
4.0500
0.0002 0.001
6
5-6
6.0000
5.5000
5.2500
5.1200
5.0500
0.0002 0.001
7
6-7
7.0000
6.5000
6.2500
6.1200
6.0500
0.0003 0.001
8
7-8
8.0000
7.5000
7.2500
7.1200
7.0500
0.0003 0.001
9
8-9
9.0000
8.5000
8.2500
8.1200
8.0500
0.0003 0.001
10
9 - 10
10.0000
9.5000
9.2500
9.1200
9.0500
0.0003 0.001
11
10 - 11
11.0000
10.5000
10.2500
10.1200
10.0500
0.0003 0.001
12
11 - 12
12.0000
11.5000
11.2500
11.1200
11.0500
0.0003 0.001
13
12 - 13
13.0000
12.5000
12.2500
12.1200
12.0500
0.0004 0.001
14
13 - 14
14.0000
13.5000
13.2500
13.1200
13.0500
0.0004 0.001
15
14 - 15
15.0000
14.5000
14.2500
14.1200
14.0500
0.0004 0.001
16
15 - 16
16.0000
15.5000
15.2500
15.1200
15.0500
0.0004 0.001
17
16 - 17
17.0000
16.5000
16.2500
16.1200
16.0500
0.0004 0.001
18
17 - 18
18.0000
17.5000
17.2500
17.1200
17.0500
0.0004 0.001
19
18 - 19
19.0000
18.5000
18.2500
18.1200
18.0500
0.0005 0.001
20
19 - 20
20.0000
19.5000
19.2500
19.1200
19.0500
0.0005 0.001
21
20 - 21
21.0000
20.5000
20.2500
20.1200
20.0500
0.0005 0.001
22
21 - 22
22.0000
21.5000
21.2500
21.1200
21.0500
0.0005 0.001
23
22 - 23
23.0000
22.5000
22.2500
22.1200
22.0500
0.0005 0.001
24
23 - 24
24.0000
23.5000
23.2500
23.1200
23.0500
0.0005 0.001
25
24 - 25
25.0000
24.5000
24.2500
24.1200
24.0500
0.0006 0.001
26
25 - 26
26.0000
25.5000
25.2500
25.1200
25.0500
0.0006 0.001
27
26 - 27
27.0000
26.5000
26.2500
26.1200
26.0500
0.0006 0.001
28
27 - 28
28.0000
27.5000
27.2500
27.1200
27.0500
0.0006 0.001
29
28 - 29
29.0000
28.5000
28.2500
28.1200
28.0500
0.0006 0.001
30
29 - 30
30.0000
29.5000
29.2500
29.1200
29.0500
0.0006 0.001
31
30 - 31
31.0000
30.5000
30.2500
30.1200
30.0500
0.0007 0.001
32
31 - 32
32.0000
31.5000
31.2500
31.1200
31.0500
0.0007 0.001
33
32 - 33
33.0000
32.5000
32.2500
32.1200
32.0500
0.0007 0.001
34
33 - 34
34.0000
33.5000
33.2500
33.1200
33.0500
0.0007 0.001
35
34 - 35
35.0000
34.5000
34.2500
34.1200
34.0500
0.0007 0.001
36
35 - 36
36.0000
35.5000
35.2500
35.1200
35.0500
0.0007 0.001