| Model | HT9910 | HT9912 | HT9922 |
| Display | 95mm*20mm monochrome LCD |
| Test Parameters | Leakage current/insulation IR | Withstand voltage / leakage current / insulation resistance |
| Voltage Resolution | 1V |
| Voltage Accuracy | 3% |
| Frequency | 50Hz/60Hz |
| AC Output | AC 0.5kV~5kV | AC 0.5kV~5kV | AC 0.5kV~5kV |
| Leakage Current | AC 12mA |
| DC Output | ——– | DC 0.5kV~6kV | DC 0.5kV~6kV |
| Leakage Current | ——– | DC 6mA |
| Current Resolution | 1μA |
| Current Accuracy | ±(3%+2 counts) |
| Voltage Ramp Up Time | 0.1s~999.9s |
| Test Time | 0.1s~999.9s |
| Arc Test Function | 1~9 level |
| Insulation IR Range | ——— | ——— | 100kΩ~99GΩ |
| Voltage Output | ——— | ——— | 0.1kV~1.0kV |
| Memory Group | 3 group |
| Interface | PLC/485 interface(Standard), RS232C (Optional) |
| Power Supply | Voltage:198V-240V AC, Frequency:47Hz-63Hz,Rated power:100VA |
| Dimensions | 374mm*280mm*99mm;Gross weight: 7.5KG |
| Accessories | HT9950 High-voltage test lead, HT9800 Communication cable,HT9900 sampling line |