Tektronix Keithley SourceMeter 2450 User Manual page 63

Section 6: Leakage current and insulation resistance Model 2450 SourceMeter® Instrument User's Manual
The graph in the following figure demonstrates what the plotted results might look like.
Figure 34: Insulation resistance test results
6-14 2450-900-01 Rev. E / August 2019