Model 2470 High Voltage SourceMeter Instrument User's Manual
Section 5: Leakage current and insulation resistance
2470-900-01 Rev. A /
May
2019
5-7
Set up the leakage current application using SCPI commands
The following SCPI code performs a capacitor leakage measurement by sourcing 300 V and
measuring the resulting leakage current. The DurationLoop trigger model template applies the voltage
for 30 seconds and makes measurements at 200 ms intervals. After the duration time, the capacitor is
discharged at 0 V and the output is turned off.
Send the following commands for this example application:
Command
Description
*RST
:SOUR:FUNC VOLT
:SOUR:VOLT 300
:SOUR:VOLT:ILIMIT 0.01
:SENSE:FUNC "CURR"
:ROUT:TERM REAR
:CURR:RANG:AUTO ON
:SENSE:CURR:NPLC 1
:TRIG:LOAD "DurationLoop", 30, 0.2
:INIT
*WAI
:TRAC:ACT? "defbuffer1"
:TRAC:DATA? 1, 30, "defbuffer1", READ, REL
:SOUR:VOLT 0
:OUTP ON
:OUTP OFF
Reset the 2470.
Set to source voltage.
Set the source voltage to 300 V.
Set the current limit to 10 mA.
Set the instrument to measure current.
Set to use rear-panel terminals.
Set the current range to autorange.
Set the number of power line cycles to 1.
Load the DurationLoop trigger model to run
for 30 s with 200 ms delays.
Start the trigger model.
Wait for the measurement to finish.
Query the number of readings in
defbuffer1
and return the readings and
time. 30 is the queried number of readings.
Discharge the capacitor to 0 V.
Turn on the output.
Turn off the output.
Set up the leakage current application using TSP commands
The following TSP code is designed to be run from Keithley Instruments Test Script Builder (TSB).
TSB is a software tool that is available from
. You can install and use TSB to write
code and develop scripts for TSP-enabled instruments. Information about how to use TSB is in the
online help for TSB and in the “Introduction to TSP operation” section of the
Model 2470 Reference
Manual
.
By default, the 2470 uses the SCPI command set. You must select the TSP command set before
sending TSP commands to the instrument.
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