Keithley 2651A Reference Manual page 496

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