High Voltage SourceMeter Instrument Reference Manual Section 4:
2470-901-01 Rev. A / May 2019 4-33
For the voltage measurement function, you send:
smu.source.func = smu.FUNC_DC_VOLTAGE
smu.measure.nplc = 0.5
For the resistance measurement function, you send:
smu.source.func = smu.FUNC_RESISTANCE
smu.measure.nplc = 0.5
To make a measurement, you set the measurement function and then send the
smu.measure.read() command. For example, to make a current measurement, send t
he
c
ommands:
smu.measure.func = smu.FUNC_CURRENT
print(smu.measure.read())
To make a voltage measurement, send the commands:
smu.measure.func = smu.FUNC_DC_VOLTAGE
print(smu.measure.read())
To make a resistance measurement, send the commands:
smu.measure.func = smu.FUNC_RESISTANCE
print(smu.measure.read())
For detailed application examples that use the TSP command language, see the 2470 User's Manual.
Command descriptions are provided in the TSP command reference (on page 14-1
).
Protection
The 2470 provides several methods for ensuring that the source remains within certain values. This
helps to protect the device under test (DUT) from damage.
The protections that affect the source are the:
• Overvoltage protection. This is the voltage at the instrument terminals.
• Source limits. This is the sourced value at the device.
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