Buffer Statistics - Keithley 2701 User Manual

Model 2701 User's Manual
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:
NO. 10
NO. 9
NO. 8
NO. 7
NO. 6
NO. 5
NO. 4
NO. 3
NO. 2
NO. 1
DEV
At XX
At XX
n
∑
X
i
i = 1
---------------
n
y is the average.
X is a stored reading.
i
n is the number of stored readings.
Reading Value
Reading Value
Reading Value
Reading Value
Reading Value
Reading Value
Reading Value
Reading Value
Reading Value
Reading Value
Standard Deviation Value
Average Value
Peak-to-Peak Value
Minimum Value
Maximum Value
Buffer
Time Date
Time Date
Time Date
Time Date
Time Date
Time Date
Time Date
Time Date
Time Date
Time Date
No Time No Date
No Time No Date
No Time No Date
Time Date
Time Date
6-7