Figure 1 shows a simple diagram of the constant-current test. Advertisement. Figure 1. The constant-current method of resistance measurement, ... Keithley’s 5-1/2-digit Model 2110 DMM, for example, ...

If you’re measuring a 1K resistor to 1% accuracy then a Kelvin configuration would only be necessary if your test leads are more than 10 Ohms. Unlikely. Measuring to 0.1%, Kelvin would be necessary.