| ASTM允差表 （±mg） | | Weight class | Class 0 | Class 1 | Class 2 | Class 3 | Class 4 | Class 5 | | 50kg | 63 | 125 | 250 | 500 | 1000 | 2500 | | 20kg | 25 | 50 | 100 | 200 | 400 | 1000 | | 10kg | 13 | 25 | 50 | 100 | 200 | 500 | | 5kg | 6 | 12 | 25 | 50 | 100 | 250 | | 2kg | 2.5 | 5 | 10 | 20 | 40 | 100 | | 1kg | 1.3 | 2.5 | 5 | 10 | 20 | 50 | | 500g | 0.6 | 1.2 | 2.5 | 5 | 10 | 30 | | 200g | 0.25 | 0.5 | 1 | 2 | 4 | 15 | | 100g | 0.13 | 0.25 | 0.5 | 1 | 2 | 9 | | 50g | 0.06 | 0.12 | 0.25 | 0.6 | 1.2 | 5.6 | | 20g | 0.037 | 0.074 | 0.1 | 0.35 | 0.7 | 3 | | 10g | 0.025 | 0.05 | 0.074 | 0.25 | 0.5 | 2 | | 5g | 0.017 | 0.034 | 0.054 | 0.18 | 0.36 | 1.3 | | 2g | 0.017 | 0.034 | 0.054 | 0.13 | 0.26 | 0.75 | | 1g | 0.017 | 0.034 | 0.054 | 0.1 | 0.2 | 0.5 | | 500mg | 0.005 | 0.01 | 0.025 | 0.08 | 0.16 | 0.38 | | 200mg | 0.005 | 0.01 | 0.025 | 0.06 | 0.12 | 0.26 | | 100mg | 0.005 | 0.01 | 0.025 | 0.05 | 0.1 | 0.2 | | 50mg | 0.005 | 0.01 | 0.014 | 0.042 | 0.085 | 0.16 | | 20mg | 0.005 | 0.01 | 0.014 | 0.035 | 0.07 | 0.12 | | 10mg | 0.005 | 0.01 | 0.014 | 0.03 | 0.06 | 0.1 | | 5mg | 0.005 | 0.01 | 0.014 | 0.028 | 0.055 | 0.08 | | 2mg | 0.005 | 0.01 | 0.014 | 0.025 | 0.05 | 0.06 | | 1mg | 0.005 | 0.01 | 0.014 | 0.025 | 0.05 | 0.05 | |
標(biāo)準(zhǔn)ASTM砝碼允差對照表 Class0、1、2、3、4、5砝碼
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