3: Functions and features Model 2450 Interactive SourceMeter® Instrument
3-2 2450-901-01 Rev. B/September 2013
Automatically acquiring a relative offset value
When you automatically acquire a relative offset value, the Model 2450 does the following actions:
• Makes a new measurement.
• Stores the measurement as the new relative offset level.
Using the front panel:
1. Press the FUNCTION key and select the measurement function. The relative offset will be
applied to this function.
2. On the SETTINGS swipe screen, select the box next to Rel.
When the relative offset is selected, the REL annunciator to the right of the measurement is
displayed.
You can also enable the relative offset feature by selecting MENU > Filter/Math > Rel State.
Using SCPI commands:
Send the commands:
:FUNC "VOLT"
:SENSe:VOLTage:RELative:ACQuire
:SENSe:VOLT:REL:STATe ON
To acquire a relative offset value for another function, replace VOLTage with CURRent or
RESistance.
Using TSP commands:
Send the commands:
smu.measure.func = smu.FUNC_DC_VOLTAGE
smu.measure.rel.acquire()
smu.measure.rel.enable = smu.ON
To set the relative offset for another function, replace smu.FUNC_DC_VOLTAGE with
smu.FUNC_DC_CURRENT or smu.FUNC_RESISTANCE.
Setting a relative offset value
You can set a specific relative offset value using the remote commands. This option is not available
through the front panel.
Using SCPI commands:
Send the commands:
:SENSe:FUNCtion "VOLTage"
:SENSe:VOLTage:RELative <n>
:SENSe:VOLTage:STATe ON
Where <n> is the amount of the offset.
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