| Parameters | Leakage current & insulation resistance |
| Output Voltage | NC 1V～1000VDC |
| Accuracy | <10G: 3% ≥10G: 5% ≥100Ｇ: 10% |
| Measurement Range | 10k-1T0Ω(104~1013 Ω) |
| Display Max | 9999 |
| Range | Automatic & Manual |
| Speed | 55 times/s, 15 times/s, 3 times/s |
| Adjustment | short-circuit reset full range |
| Result Display | show, current, resistance, peak value, sorthing results |
| Charging Timer | 999.9s |
| Charging Current | 200mA max |
| Comparator | 30 sets record,, GD/NG beep: GD,NG, OFF setting |
| Interface | RS-232C, Handler interface |
| Power Supply | Voltage:198VAC～240VAC Fre：50Hz Power :max 30VA |
| Dimension & Weight | 264*107*350mm / 5KG |
| Accessories | ATL507: Test fixture ; ATL801:RS232 cable |
| Other Functions | VFD 4 color display, Keyboard lock, data hold function |