| Parameter | DCR |
| Accuracy | 0.05% |
| Measurement Range | 0.001mΩ~2.2000MΩ |
| Measurement current | I-max：<1A |
| Range | Automatic, manual, nominal , 8 ranges |
| Speed | 3 times/s, 12 times/s, 60 times/s |
| Display | show, 、ΔABS、Δ% sorting result |
| Display Max | 22000 |
| Adjustment | short-circuit reset for all ranges |
| Comparator | Qualified and unqualified |
| Trigger | Internal, external trigger |
| Interface | Handler, RS232C,USB, RS485, Temperature compensation interface |
| Temperature compensation | Accuracy:0.2 °C test range：0～80°C |
| Method | 4 terminal shielding (2 check terminal & 2 driving terminal), external shielding ground section |
| Cantact Checking | D+ & S+, D- & S- |
| Power Supply | V:198VAC～240VAC Fre：50Hz Power：15VA |
| Dimension & Weight | 264x107x350mm Weight：4kg |
| Accessories | ATL501A, ATL801:RS232, 18B20 temperature compensation |
| Optional Accessories | ATL620 |
| Other Functions | true color TFT-LCD display, data hold function |