6: Leakage current and insulation resistance Model 2450 Interactive SourceMeter® Instrument
6-8 2450-900-01 Rev. C / December 2013
Figure 28: Leakage current test results
Measuring insulation resistance
The following applications demonstrate how to use the Model 2450 to measure insulator resistance.
The applications shows how to use the front-panel interface, the remote interface using the SCPI
command set, and the remote interface using the Test Script Processor (TSP
®
) command set.
You make insulation resistance measurements between traces on a printed circuit board and
between conductors in cables and connectors.
This application sets the Model 2450 to source 20 V and makes 10 resistance readings with a 100 ms
interval time. Once the measurements are made, the output is turned off.
For this test, you will:
• Reset the instrument
• Set the instrument to read the rear terminals
• Select the source voltage function and measure resistance function
• Set the magnitude of the voltage source output
• Turn on autoranging
• Use the Simple Loop trigger model template to set the numbers of readings and interval time
• Turn on the source output
• Make readings
• Turn off the source output
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