System SourceMeter® Instrument Reference Manual Section 7:
2600BS-901-01 Rev. C / August 2016 7-223
Details
This attribute sets the time interval between measurements when smuX.measure.count is set to a
value greater than 1. The SMU attempts to start each measurement when scheduled. If the SMU
cannot keep up with the interval setting, measurements are made as quickly as possible.
If filtered measurements are being made, the time 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
Sets the measure interval for SMU channel A to 0.5.
Also see
reset() (on page 7-173)
setup.recall() (on page 7-194)
smuX.measure.count (on page 7-217)
smuX.reset() (on page 7-232)
smuX.measure.lowrangeY
This attribute sets the lowest measurement range that is used when the instrument is autoranging.
Type TSP-Link accessible Affected by Where saved Default value
SMU reset
Recall setup
Models 2601B/2602B/2604B/
2611B/2612B/2614B:
100e-9 (100 nA)
Model 2634B:
1e-9 (1 nA)
Models 2635B/2636B:
100e-12 (100 pA)
Voltage:
Models 2601B/2602B/2604B:
100e-3 (100 mV)
Models 2611B/2612B/2614B/
2634B/2635B/2636B:
Usage
lowRange = smuX.measure.lowrangeY
smuX.measure.lowrangeY = lowRange
The lowest voltage or current measurement range used during autoranging
Source-measure unit (SMU) channel (for example, smua.measure.lowrangev
applies to SMU channel A)
SMU measure function (v = voltage, i = current)
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 is
changed to the lowRange range value.
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