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Model 2790 SourceMeter
Figure 6-2
Recalling buffer data — real-time clock timestamp
RDG
RDG
RDG
RDG
RDG
RDG
RDG
RDG
RDG
RANGE
RDG
STD
RANGE
Average
Peak-to-Peak
Min
Max
Buffer statistics
Minimum and maximum
This mode displays the minimum and maximum readings stored in the buffer. The buffer
location number and timestamp are also provided for these readings.
Peak-to-peak
This mode displays the peak-to-peak reading (peak-to-peak = Maximum - Minimum).
Average
The average mode displays the mean (average) of all measured readings stored in the
buffer. The following equation is used to calculate mean:
y
=
where:
®
Switch System Reference Manual
NO.
10
Reading Value
NO.
9
Reading Value
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8
Reading Value
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Reading Value
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6
Reading Value
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5
Reading Value
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4
Reading Value
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3
Reading Value
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2
Reading Value
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1
Reading Value
DEV
Standard Deviation Value
Average Value
Peak-to-Peak Value
At
XX
Minimum Value
At
XX
Maximum Value
n
∑
X
i
i
=
1
---------------
n
y is the average.
X
is a stored reading.
i
n is the number of stored readings.
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6-7
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