| Model | Supported test items | |||||
|---|---|---|---|---|---|---|
| AC Withstanding Voltage (AC Hipot) | DC Withstanding Voltage (DC Hipot) | Insulation resistance | Earth Continuity (Ground Bond) | Leakage Current | Partial Discharge | |
| TOS9300 | ✓ | ✓ | ||||
| TOS9301 | ✓ | ✓ | ✓ | |||
| TOS9301PD | ✓ | ✓ | ✓ | ✓ | ||
| TOS9302 | ✓ | ✓ | ||||
| TOS9303 | ✓ | ✓ | ✓ | ✓ | ||
| TOS9303LC | ✓ | ✓ | ✓ | ✓ | ✓ | |
| TOS9311 | ✓ | ✓ | ✓ | |||
| TOS9320 | 4 channel high voltage scanner with contact check function; can be used standalone. | |||||
