Gentec-EO HP - Manual (Page 17)

Version 2.2
13
HP Series Instruction Manual Gentec Electro-Optics Inc. All rights reserved
2.2.4 Display - Statistics
The statistics window displays the current statistics. See section 2.2.5.1 to set the data
sampling parameters. See section 2.2.6.3 to learn how to start and stop the statistics.
FIG. 2-10 PC-HP STATISTICS WINDOW
Table 2.1 Statistical values
Statistical Parameters Definition
Maximum value Highest value in the sample period, E
max
or P
max
Minimum value Lowest value in the sample period, E
min
or P
min
Average value Rolling average of values in the sample, E
avg
or P
avg
Standard Deviation A measure of the spread of the data around the average.
RMS stability Root mean square stability represents the standard deviation as a percent of
the average.
100
 
avg
E
STD
RMS
,
100
 
avg
P
STD
RMS
PTP Stability Shows the spread between the highest and lowest point in the sample as a
percent.
100 min max



avg
E
E E
PTP
,
100 min max



avg
P
P P
PTP
Time Time elapsed since beginning the sample.