| Specifications | |||
| Measurement | Ranges | Resolution | Accuracy |
| Line voltage | 85.0~265.0V | 0.1V | ±(1.0%+0.2V) |
| Neutral-ground V | 0.0~10.0V | 0.1V | ±(2.5%+0.2V) |
| Peak line voltage | 121.0~374.0V | 0.1V | ±(1.0%+0.2V) |
| Frequency | 45.0~65.0HZ | 0.1HZ | ±(1.0%+0.2HZ) |
| % voltage drop | 0.1%~99.9% | 0.10% | ±(2.5%+0.2%) |
| Voltage loaded | 10.0~265.0V | 0.1V | ±(2.5%+0.2V) |
| Impedance-hot | 0.00~3.00Ω | 0.01Ω | ±(2.5%+0.02Ω) |
| Neutral,&ground | >3.00Ω | unspecified | |
| RCD trip time | 1ms~6.500s | 1ms | ±(1.0%+2ms) |
| RCD trip current | 30mA | 0.1mA | ±(1.0%+0.2mA) |
| GFCI trip time | 1ms~6.500s | 1ms | ±(1.0%+2ms) |
| GFCI trip current | 60mA | 0.1mA | ±(1.0%+0.2mA) |