If you want to configure the 1586A yourself to work with the 1586-2586 High-Capacity Module, you will need a relay card.
| Manufacturer part number (MPN) | 4410748 |
| Brand | Fluke |
| Category | Tools |
| Maximum Input | 50 V |
| Offset Voltage | <2 μV |
| 3-Wire Internal Resistance Mismatch | <50 mΩ |
| Basic CJC Accuracy | 0.6 °C |
| MOQ | 1 |