| 准确度等级 | 基本误差/限(%) (以满量程输出值的百分数表示) |
| 0.01 | ±0.01 |
| 0.02 | ±0.02 |
| 0.05 | ±0.05 |
| 0.1 | ±0.1 |
| 0.2/0.25 | ±0.2/±0.25 |
| 0.5 | ±0.5 |
| 1.0 | ±1.0 |
| 1.5 | ±1.5 |
| 2.0/2.5 | ±2.0/±2.5 |
| 4.0 | ±4.0 |