Kelvin clips use four contacts (force+, sense+, sense-, force-) to eliminate lead resistance from measurements enabling sub-milliohm accuracy.
| Pin | Name | Function | Type |
|---|---|---|---|
| F+ | Force+ | Current source positive | I/O |
| S+ | Sense+ | Voltage sense positive | ADC |
| S- | Sense- | Voltage sense negative | ADC |
| F- | Force- | Current source negative | I/O |