等与级的区别在于：±mg
标称质量值
| E1 | E2 | F1 | F2 | M1 | M2 |
|
| 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 |
|
