Model 2461 Interactive SourceMeter® Instrument Reference Manual
Section 3: Functions and features
2461-901-01 A/November 2015
3-53
Monitoring internal temperature
You can monitor the temperature difference between the actual internal temperature and the
temperature when autocalibration ran through the panel or by using remote commands. With remote
commands, you can also check the present internal temperature and the internal temperature when
autocalibration was last run. Temperature is returned in Celsius (°C).
The internal temperature is not updated on the Calibration screen until the warmup period is
complete. The remote commands always return the present temperature.
From the front panel:
1. Press the
MENU
key.
2. Under System, select
Calibration
.
3. The Temperature Difference is displayed.
Using SCPI commands:
For the present internal temperature, send:
:SYSTem:TEMPerature:INTernal?
For the temperature difference, send:
:ACAL:LASTrun:TEMPerature:DIFFerence?
For the temperature when auto calibration was last run, send:
:ACAL:LASTrun:TEMPerature:INTernal?
Using TSP commands:
For the present internal temperature, send:
print(localnode.internaltemp)
For the temperature difference, send:
print(acal.lastrun.tempdiff)
For the temperature when autocalibration was last run, send:
print(acal.lastrun.internaltemp)
Sweep operation
Sweeps allow you to set up the instrument to source specific voltage or current values to a device
under test (DUT). A measurement is made for each value.
The Model 2461 can generate linear staircase, logarithmic staircase, linear dual staircase, and
logarithmic dual staircase sweeps from the front panel or from a remote interface. In addition to these
sweeps, you can generate custom sweeps if you use remote commands. You can also generate
pulse sweeps; for more information, see
(on page 3-64).
When you generate the sweep, the Model 2461 creates a source configuration list and a trigger
model that contain the settings you selected for the sweep. To run the sweep, press the TRIGGER
key. You can also use an initiate command over the remote interface.
