Smux.measure.lowrangey - Keithley 2651A Reference Manual

High power system sourcemeter instrument
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Section 7: Command reference
Details
This attribute sets the time interval between measurements when smuX.measure.count is set to a value
greater than 1. The SMU will do its best to start each measurement when scheduled. If the SMU cannot keep up
with the interval setting, measurements will be made as fast as possible.
If filtered measurements are being made, this interval is from the start of the first measurement for the filtered
reading to the first measurement for a subsequent filtered reading. Extra measurements made to satisfy a filtered
reading are not paced by this interval.
Example
smua.measure.interval = 0.5
Also see
reset()
(on page 7-151)
smuX.measure.count
setup.recall()
smuX.reset()

smuX.measure.lowrangeY

This attribute sets the lowest measure range that will be used during autoranging.
Type
TSP-Link accessible
Attribute (RW)
Yes
Usage
lowRange = smuX.measure.lowrangeY
smuX.measure.lowrangeY = lowRange
lowRange
X
Y
Details
This attribute is used with autoranging to put a lower bound on the range used. Since lower ranges generally
require greater settling times, setting a lowest range limit might make measurements require less settling time.
If the instrument is set to autorange and it is on a range lower than the one specified, the range will be changed
to the lowRange range value.
Example
smua.measure.lowrangev = 1
7-200
Model 2651A High Power System SourceMeter® Instrument Reference Manual
(on page 7-194)
(on page 7-170)
(on page 7-209)
Affected by
Instrument reset
SMU reset
Recall
The lowest voltage or current measure range used during autoranging.
SMU channel (for example, smua.measure.lowrangev applies to SMU Channel
A).
SMU measure function (v = voltage, i = current)
Sets the measure interval for SMU channel A to 0.5.
Where saved
Default value
Saved setups
Current: 100e-9 (100 nA)
Voltage: 100e-3 (100 mV)
Sets voltage low range for SMU channel A to 1 V.
2651A-901-01 Rev. A / March 2011

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