| 320系列万用表 | 61-320 | 61-322 | 61-324 |
| | 量程 | 基础精度 |
| 交流电压 | 400.0m/4.000/40.00/400.0/750V | 0.9% | 1.2% | 1.2% |
| 直流电压 | 400.0m/4.000/40.00/400.0/1000V | 0.5% | 0.5% | 0.5% |
| 交流电流 | 400.0μ/4000μ/40.00m/400mA | -- | 1.5% | 1.5% |
| 直流电流 | 400.0μ/4000μ/40.00m/400mA | 1.0% * | 1.0% | 1.0% |
| 电阻 | 400.0/4.000k/40.00k/400.0k/4.000M/40.00MΩ | 0.7% | 0.7% | 0.7% |
| 电容 | 4.000n/40.00n/400.0n/4.000μ/40.00μ/ 400.0μ/4.000m/40.00mF | 2.0% | 2.0% | 2.0% |
| 频率 | 4.000k/40.00k/400.0k/4.000M/40.00MHz | 0.01% | 0.01% | 0.01% |
