Keithley SourceMeter 2600 Series Reference Manual page 345

Series 2600 System SourceMeters Reference Manual
• This function generates and activates new calibration constants for the given range.
Remarks
The positive and negative polarities of the instrument must be calibrated separately.
Use a positive value for
for
range
• Typically the two calibration points used will be near zero for calibration point 1 and
90% of full scale for calibration point 2.
• All four measurements (
cp2reference
calibration constants may result if this is not heeded.
• The new calibration constants will be activated immediately but they will not be
written to non-volatile storage. Use
nonvolatile storage. The active calibration constants will stay in effect until the
instrument is power cycled or a calibration set is loaded from non-volatile storage
with the
• This function will be disabled until a successful call to
Details See Section 16
Also see smuX.cal.restore, smuX.cal.save, smuX.makebuffer,
smuX.measure.count
Attribute Number of measurements performed when a measurement is requested.
Usage
count = smuX.measure.count
smuX.measure.count = count
count
• This attribute controls the number of measurements taken any time a measurement
Remarks
is requested. When using a reading buffer with a measure command, the
also controls the number of readings to be stored.
• The
Details See "Triggering" in
Also see smuX.measure.overlappedY,
Sets measure count for SMU A:
Example
smua.measure.count = 10
range
to calibrate the negative polarity.
cp1measured
) must be made with the active calibration set. Corruption of the
smuX.cal.restore
(calibration).
X = SMU channel (a or b)
Number of measurements.
function sets the measure count to 1.
reset
Section 4.
Return to
Instrument Control Library 12-71
to calibrate the positive polarity and a negative value
,
cp1reference
smuX.cal.save
function.
-- Reads measure count.
-- Writes measure count.
smuX.measure.Y
Section 12 topics
, , and
cp2measured
to commit the new constants to
smuX.cal.unlock
smuX.source.calibrateY
2600S-901-01 Rev. A / May 2006
is made.
count