【 各级标准砝码质量允差表 / STANDARD WEIGHTS TOLERANCE 】
| 准确度级别质量允差（+mg） | E1级 | E2级 | F1级
二等 | F2级
三等 | M1级
四等 | M2级
五等 | | 标称质量值 | | 1000kg |
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| 150000 | | 500kg |
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| 75000 | | 250kg |
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| 25000 | | 50kg | 25 | 75 | 250 | 750 | 2500 | 7500 | | 20kg | 10 | 30 | 100 | 300 | 1000 | 3000 | | 10kg | 5 | 15 | 50 | 150 | 500 | 1500 | | 5kg | 2.5 | 7.5 | 25 | 75 | 250 | 750 | | 2kg | 1.0 | 3.0 | 10 | 30 | 100 | 300 | | 1kg | 0.5 | 1.5 | 5 | 15 | 50 | 150 | | 500g | 0.25 | 0.75 | 2.5 | 7.5 | 25 | 75 | | 200g | 0.10 | 0.30 | 1.0 | 3.0 | 10 | 30 | | 100g | 0.05 | 0.15 | 0.5 | 1.5 | 5 | 15 | | 50g | 0.030 | 0.10 | 0.30 | 1.0 | 3 | 10 | | 20g | 0.025 | 0.08 | 0.25 | 0.8 | 2.5 | 8 | | 10g | 0.020 | 0.06 | 0.20 | 0.6 | 2.0 | 6 | | 5g | 0.015 | 0.05 | 0.15 | 0.5 | 1.5 | 5 | | 2g | 0.012 | 0.04 | 0.12 | 0.4 | 1.2 | 4 | | 1g | 0.010 | 0.03 | 0.10 | 0.3 | 1.0 | 3 | | 500mg | 0.008 | 0.025 | 0.08 | 0.25 | 0.8 | 2.5 | | 200mg | 0.006 | 0.020 | 0.06 | 0.20 | 0.6 | 2.0 | | 100mg | 0.005 | 0.015 | 0.05 | 0.15 | 0.5 | 1.5 | | 50mg | 0.004 | 0.012 | 0.04 | 0.12 | 0.4 | 1.2 | | 20mg | 0.003 | 0.010 | 0.03 | 0.10 | 0.3 | 1.0 | | 10mg | 0.002 | 0.006 | 0.02 | 0.06 | 0.2 | 0.6 | | 5mg | 0.002 | 0.006 | 0.02 | 0.06 | 0.2 |
| | 2mg | 0.002 | 0.006 | 0.02 | 0.06 | 0.2 |
| | 1mg | 0.002 | 0.006 | 0.02 | 0.06 | 0.2 |
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