| | 3重测量 |
| SK-3007 | SK-3020 | SK-3031 |
| 量程 | 绝缘电阻 | 额定电压/阻抗 | 500V/1000MΩ 500V/100MΩ | 1000V/2000MΩ 500V/100MΩ 250V50MΩ | 500V/100MΩ |
| 有效测量范围 | 1～1000MΩ 0.1～100MΩ | 2M～2000MΩ 0.1M～100MΩ 0.05M～50MΩ | 0.1～100MΩ |
| 刻度值 | 20MΩ 2MΩ | 50MΩ 2MΩ 1MΩ | 2MΩ |
| 开路电压 | 最大刻度值:额定电压的 ±10% 刻度:额定电压的 90% |
| ACV | 0～600V |
| 低阻值测量功能 | N/A | 0～100Ω 0～1KΩ (by Linear Scale) |
| 导通测试功能 | N/A | by Buzze less than 20Ω |
| 检相 | N/A | Normal Phase: Green Reverse Phase: Red Voltage range: AC50V～500V Frequency range: 50Hz/60Hz |
| ACA | 0～1200A (by optional 873 Clamp Adapter) | N/A | 0～1200A (by optional 873 Clamp Adapter) |
| 精度 | 绝缘电阻 | 第1刻度有效测量范围: ±5% of reading value 第2刻度测量有效范围: ±10% of reading value |
| ACV | 最大刻度值的±3% |
| 低阻值测量功能 | N/A | ±3% |
| ACA | ±4% | | ±4% |
| 定时器 | 约. 3 分钟 |
| 指示灯 | by LED Lamp | by Battery Scale on BATT, CHECK position | by LED Lamp |
