TB 9-6670-254-50
Table 2. Tolerance of 1 mg to 25 kg Gram Weights, Class P, Q, C, and T - Continued.
Test
Tolerance (mg)
instrument
P
Q
C
T
30 mg
.15
.28
---
1.36
20 mg
.14
.24
.40
1.12
10 mg
.12
.20
.30
.80
5 mg
.11
.16
.20
---
3 mg
.104
.14
---
---
2 mg
.100
.14
.10
---
1 mg
.100
.10
.08
---
Table 3. Tolerance of 1 to 100-Grain Weights, Class C
Test instrument
Tolerance
grain
(mg)
1
0.3
2
0.6
5
1.0
10
1.3
20
1.9
50
3.2
100
6.5
Avoirdupois
Troy
Apothecary
Test instrument
Tolerance
Test instrument
Tolerance
Test instrument
Tolerance
pound
(mg)
ounce
(mg)
ounce
(mg)
100
450
1000
310
12
3.8
---
---
---
---
10
3.1
50
230
500
160
8
2.5
25
110
300
91
---
---
20
91
200
62
6
1.9
10
45
100
31
5
1.6
---
---
---
---
4
1.2
8
36
50
16
---
---
5
23
30
9.1
3
0.91
4
18
20
6.2
2
.70
---
---
10
3.1
1
.45
3
14
---
---
---
---
2
9.1
5
1.6
Dram
---
1
4.5
3
0.91
---
---
0.5
2.3
2
0.70
6
.38
0.2
0.91
1
0.45
5
.34
0.1
0.58
---
---
4
.31
---
---
0.5
0.31
---
---
0.5
0.38
0.3
0.24
3
.27
0.02
0.24
0.2
0.20
2
.22
0.01
0.17
0.1
0.15
1
.16
0.005
0.13
0.05
0.12
Scruple
---
---
---
0.03
0.097
---
---
Ounce
---
0.02
0.085
2
.14
10
2.8
0.01
0.070
1
.11
See footnote at end of table.
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