TB 9-5210-207-50
Length ()
Size
Range
0.001 Graduations
0.0001 Graduations
1
0.200 to 1
0.0005
0.0002
1
1/2
0.500 to 11
0.0005
0.0002
/2
2
1 to 2
0.0005
0.0002
Table 5. Inside Micrometer, Rod and Sleeve (English Measure) Permissible Error - Inches
Length ()
Range
0.001 Graduations
0.0001 Graduations
1 to 2
0.0005
0.0003
2 to 8
0.0005
0.0004
2 to 12
0.0005
0.0005
8 to 32
0.001
0.001
8 to 36
0.001
0.001
Table 6. Inside Micrometer, Rod and Sleeve (Metric Measure) Permissible Error - Millimeters
Range
Length ()
25 to 50
0.0075
50 to 200
0.010
50 to 300
0.0125
200 to 800 or 900
0.025
Table 7. Inside Micrometer, Tubular, Interchangeable Head (English Measure) Permissible Error - Inches
Movement of
Length ()
Range
head
0.001 Graduations
0.0001 Graduations
11/2 to 8
1/2
0.0005
0.0005
1
1/2 to 12
1/2
0.0005
0.0005
4 to 24
1
0.001
0.0007
4 to 32
1
0.001
0.0009
4 to 40
1
0.001
0.001
1
1/2 to 32 (two heads)
1/2 and 1
0.001
0.0015
Table 8. Inside Micrometer, Tubular, Interchangeable Head (Metric Measure) Permissible Error - Millimeters
Range
Movement of Head
Length ()
40 to 200
13
.012
40 to 300
13
.012
100 to 600
25
.018
100 to 800
25
.022
100 to 1000
25
.022
40 to 800 (two heads)
13 and 25
.035
Table 9. Inside Micrometer, Tubular, Fixed Head (English Measure) Permissible Error - Inches
Movement of
Length ()
Range
Head
0.001 Graduations
0.0001 Graduations
2 to 2
1/2
1/2
0.0005
0.0003
21/2 to 3
1/2
0.0005
0.0003
3 to 3
1/2
1/2
0.0005
0.0003
3
1/2 to 4
1/2
0.0005
0.0003
4 to 41/2
1/2
0.0005
0.0003
4
1/2 to 5
1/2
0.0005
0.0003
5 to 12
1/2
0.0005
0.0003
(in inch increments)
9
