TB 9-6670-254-50
Table 4. Tolerances for Class S-1 Weights1 - Continued.
Avoirdupois
Troy
Apothecary
Test
Tolerance
Test
Tolerance
Test
Tolerance
instrument
(mg)
instrument
(mg)
instrument
(mg)
8
2.3
---
---
---
---
5
1.4
Pennyweight
---
---
---
---
---
10,000
160
---
---
4
1.1
---
---
---
---
2
0.65
5000
78
---
---
1
0.43
3000
47
---
---
---
---
2000
31
---
---
1/2
0.30
1000
16
---
---
1/4
0.21
---
---
---
---
1/8
0.16
500
7.8
---
---
---
---
300
4.7
---
---
1/16
0.12
200
3.1
---
---
1/32
0.095
100
1.6
---
---
1/64
0.078
---
---
---
---
---
---
50
0.80
---
---
---
---
30
0.58
---
---
---
---
20
0.45
---
---
0.5
0.30
10
0.31
---
---
0.3
0.23
---
---
---
---
0.2
0.19
5
0.22
---
---
0.1
0.14
3
0.17
---
---
---
---
2
0.15
---
---
0.05
0.11
1
0.12
---
---
0.03
0.095
---
---
---
---
0.02
0.080
---
---
---
---
0.01
0.066
---
---
---
---
1Not
more than one-third of the weights of a set of new or newly adjusted weights may be in error by more than one-half of
these tolerances, and all weights must be correct within these tolerances.
Table 5. Tolerances for Class S-1 Weights
Grain
Metric
Carat
Test
Tolerance
Test instrument
Tolerance
Test
Tolerance
instrument
(mg)
kilogram
(mg)
instrument
(mg)
10,000
6.5
50
500
2500
5.0
---
---
25
250
2000
4.0
5000
3.2
20
200
1000
2.0
2000
1.3
10
100
---
---
1000
0.72
---
---
500
1.0
---
---
5
50
200
0.52
500
0.48
3
30
100
0.35
200
0.28
2
20
---
---
100
0.20
1
10
50
0.25
---
---
---
---
20
0.16
50
0.15
Gram
---
10
0.13
20
0.11
---
---
---
---
10
0.086
500
5.0
5
0.10
---
---
300
3.0
2
0.075
---
---
200
2.0
1
0.060
5
