| channel | 1 |
| Parameters | Insulation Resistance |
| Output Voltage | 25V，50V，100V，250V，400V，500V，600V，750V，800V，900V，1000V |
| Pre-charge Output Voltage | 25V，50V，100V，250V，400V，500V，600V，750V，800V，900V，1000V
0.5A max |
| Accuracy | Slow range resistance：<1G: 土1% ≥ 1G: 土3% ≥ 10G: 土 5% ≥ 10G: 土 10% |
| Measurement Range | 10kΩ~10TΩ |
| 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 Current | 0.5A max |
| Comparator | 1 sets record, HI/LO NG beep |
| Interface | RS-232C,RS-485,TYPE-C,Handler,LAN,USB |
| Power Supply | Voltage:198VAC～240VAC Fre：50Hz Power :max 200VA |
| Dimension & Weight | 445*129*351mm / 8KG |
| Accessories | ATL507: Test fixture ; ATL801:RS232 cable |
| Other Functions | Capacitor Open-circuit Judgement |