IES Corporation, 2324 SE 11
th
Ave, Portland, OR 97214
21
Weight Tolerances
This table shows the limits of actual values for various weights in various accuracy classes.
Upper Limit Lower Limit
Weight (gram)
ASTM Class 1 (like class S )
100 100.0003 99.9998
200 200.0005 199.9995
300 300.0008 299.9993
500 500.0013 499.9988
1000 1,000.0025 999.9975
2000 2,000.0050 1,999.9950
3000 3,000.0075 2,999.9925
5000 5,000.0125 4,999.9875
ASTM Class 2
100 100.0005 99.9995
200 200.0010 199.9990
300 300.0015 299.9985
500 500.0025 499.9975
1000 1,000.005 999.995
2000 2,000.010 1,999.990
3000 3,000.015 2,999.985
5000 5,000.025 4,999.975
ASTM Class 3
100 100.001 99.999
200 200.002 199.998
300 300.003 299.997
500 500.005 499.995
1000 1,000.01 999.99
2000 2,000.02 1,999.98
3000 3,000.03 2,999.97
5000 5,000.05 4,999.95
ASTM Class 4 ( like class P )
100 100.002 99.998
200 200.004 199.996
300 300.006 299.994
500 500.010 499.990
1000 1,000.02 999.98
2000 2,000.04 1,999.96
3000 3,000.06 2,999.94
5000 5,000.10 4,999.90
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