[:Sense[1]]:<Function>:Ocompensated; [:Sense[1]]:Function[:On] - Keithley 2450 Reference Manual

Model 2450 Interactive SourceMeter® Instrument Reference Manual
[:SENSe[1]]:<function>:OCOMpensated
This command enables or disables offset compensation for resistance measurements.
Type
Command and query
Usage
[:SENSe[1]]:RESistance:OCOMpensated <b>
[:SENSe[1]]:RESistance:OCOMpensated?
<b>
Details
The voltage offsets because of the presence of thermal EMFs (V
measurement accuracy. To overcome these offset voltages, you can use offset-compensated ohms.
Example
*RST
:SENS:FUNC "RES"
:SENS:RES:RANG:AUTO ON
:RES:OCOM ON
:COUNT 5
:OUTP ON
:TRAC:TRIG "defbuffer1"
:TRAC:DATA? 1, 5, "defbuffer1", SOUR, READ
:OUTP OFF
Also see
Offset-compensated ohms

[:SENSe[1]]:FUNCtion[:ON]

This command selects which type of measurement is active: current, voltage, or resistance.
Type
Command and query
Usage
[:SENSe[1]]:FUNCtion[:ON] <function>
[:SENSe[1]]:FUNCtion[:ON]?
<function>
2450-901-01 Rev. B/September 2013
Affected by
Recall settings
Instrument reset
Power cycle
Measure configuration list
Turn on offset compensation: 1 or ON
Turn off offset compensation: 0 or OFF
(on page 2-96)
Affected by
Recall settings
Instrument reset
Power cycle
Measure configuration list
A string that contains the measurement function to make active:
Current: CURRent[:DC]
•
Voltage: VOLTage[:DC]
•
Resistance: RESistance
•
Section 6: SCPI command reference
Where saved
Save settings
Measure configuration list
) can adversely affect resistance
EMF
Reset the instrument.
Set the measurement function to resistance.
Turn offset-compensated ohms on.
Turn the output on.
Make a measurement.
Turn the output off.
Where saved
Save settings
Measure configuration list
Default value
0 (OFF)
Default value
CURR
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