Section 7: Command reference Model 2651A High Power System SourceMeter® Instrument Reference Manual
7-188 2651A-901-01 Rev. A / March 2011
smuX.contact.speed
This attribute stores the speed setting for contact check measurements.
Type TSP-Link accessible Affected by Where saved Default value
Attribute (RW) Yes Instrument reset
SMU reset
Not saved smuX.CONTACT_FAST
Usage
speedSetting = smuX.contact.speed
smuX.contact.speed = speedSetting
speedSetting
The speed setting. Set to one of the following:
0 or smuX.CONTACT_FAST
1 or smuX.CONTACT_MEDIUM
2 or smuX.CONTACT_SLOW
X
SMU channel (for example, smua.contact.speed applies to SMU Channel A).
Details
This setting controls the aperture of measurements made for contact check. It does not affect the
smuX.measure.nplc aperture setting.
The speed setting can have a dramatic effect on the accuracy of the measurement (see specifications).
Example
smua.contact.speed = smua.CONTACT_SLOW
Configure contact check for higher accuracy
on SMU Channel A.
Also see
reset() (on page 7-151)
smuX.contact.check()
(on page 7-186)
smuX.contact.r()
(on page 7-187)
smuX.reset()
(on page 7-209)
Contact check connections
(on page 2-45)
Contact check measurements (on page 2-37)
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