






4 
WEIGHT VARIATION OF PACKAGE FOODS. 5 
TABLE 1.—Tolerances allowable on counter scales (even arm and other types).! 




Tolerance Tolerance 
on parts on parts 
requiring | Tolerance requiring | ‘Tolerance 
ead senor \icenting ||) eed | ene, | iesding 
removable face. removable face 
weights. weights. 
Pounds Ounce. Ounce. Pounds Ounces. Ounces. 
1 qs 16 40 16 s 
? : 5, 20 : : 
5 4g 18 75 3 1 
: ; AS 18 ie i 
ee Pelee 4 
15 as : 240 24 4 
16 ay 2 250 23 a 
20 a 4 300 a 44 
24 3 4 350 34 5 
25 2 4 400 4 6 
30 a 4 
TaBLe 2.—Mazximum sensibility reciprocal al- 
lowable on counter scales (even arm and other 







types). 
Maximum aera re 
c sensibilit : sensibility 
Capacity. SAGIDEOCAT Capacity. reciprocal 
allowable.? allowable.? 
Pounds. Ounce. Pounds Ounces. 
1 4 24 1 
2 3 25 1 
4 4 30 1 
5 4 40 14 
6 4 - 50 14 
8 4 60 14 
10 4 75 2 
12 4 90 24 
15 3 100 3 
20 3 



TaBLE 3.—Tolerances allowable 
on platform scales used indoors.} 



Tolerance, Class A.3 
Load. 
On ratio.|On beam. 
Pounds. | Ounces. | Ounces. 
are 5() 4 1 
100 1 2 
200 2 4 
240 3 6 
300 3 6 
400 4 8 
500 5 10 
600 6 12 
Pounds 
800 8 1 
1, 000 8 1 
1; 200 10 14 

TaBLE 4.— Tolerances allowable on all counterpoise weights (avoirdupois system).! 





poletances counterpolse 
weights for multiplying- 
Toler- lever scales. 
ence, 
Weight. ramary 
e weights : Ratio Ratio 
(ratio | Ratio |199-1 and| 1,000:1 
1:1). _|less than less than| and 
00:1. | 1 000:1. | over. 
Pounds.| Grains. | Grains. | Grains. | Grains 
50 100.0 60.0 40.0 20.0 
25 60.0 26.0 24.0 12.0 
20 60.0 36.0 24.0 12.0 
15 40.0 24.0 16.0 8.0 
10 40.0 24.0 16.0 8.0 
8 30.0 18.0 12.0 6.0 
5 30.0 18.0 12.0 6.0 
4 20.0 12.0 8.0 4.0 
3 20.0 12.0 8.0 4.0 
2 15.0 9.0 6.0 3.0 
1 10.0 6.0 4.0 2.0 
| 


Tolerance, counterpoise 
weights for multiplying- 




Toler- lever scales. 
anes, 
Weight. |O}Cimary 
weights . | Ratio | Ratio 
(ratio Ratio 100:1 and! 1.000:1 
1:1). |less than Tees a Fal 
as 1,000:1. | over 
Ounces. | Grains. | Grains. | Grains. | Grains. 
10 10.0 6.0 4.0 2.0 
8 5.0 3.0 2.0 1.0 
5 5.0 3.0 2.0 1.0 
4 5.0 3.0 2.0 1.0 
2 3.0 1.8 New .6 
i 2.0 1.2 8 A 
4 2.0 1.2 8 4 
1 10 6 4 2 
4 5 iB 59} sil 
om 5 a3 ® sil 
35 .5 .3 o2 ol: 
ge 59} 5} 08 04 

1 These tolerances are taken from U. 8. Dept. Commerce, Bur. Standards Cire. 61. 
2 Two minimum graduations shall be the tolerance on the sensibility reciprocal if such value is less than 
that given here. 
3 The sensibility reciprocal allowable is two minimum graduations of the scale in question. 

