准确度等级 | 0.2 | (0.25) | (0.3) | 0.5 |
最大允许误差 | ±0.2% | (±0.25%) | (±0.3%) | ±0.5% |
准确度等级 | 1.0 | 1.5 | 2.5 | / |
最大允许误差 | ±1.0% | ±1.5% | ±2.5% | / |
注:优先采用不带括号的等级 | | | | |