| Channel | 20 channels |
| Parameter | DCR |
| Accuracy | 0.05% |
| Measurement Range | 1μΩ～30KΩ |
| Signal Source | current：<1A |
| Range | automatic & manual |
| Speed | 3.4S/10 channels , 830ms/10 channels, 350ms/10 channels, 230ms/10 channels |
| Result Display | 20 channel direct display |
| Max Reading | 30,000 |
| Adjustment | short-circuit reset full range |
| Comparator | 20 channel can set independently |
| Trigger | Internal & remote trigger |
| Interface | RS-232C （SCPI order set） HANDLER (PLC ) interface |
| Temperature | Accuracy:0.2℃ Test range：0~80℃ |
| Method | 4 terminal shielding (2 check terminal & 2 driving terminal) |
| Cantact Checking | D+/S+, D-/S- |
| Other Functions | Color LCD display, can set resistance upper & low limit,temperature compensation; keyboard lock function |
| Power Supply | V: 198VAC～250VAC Fre：50Hz Power：15VA |
| Dimension & Weight | 216*88*323mm / 4kg |
| Accessories | ATL503 kelvin Test (8 sets) , ATL108 232C communication cable |