Chatillon DFE I, Руководство пользователя

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DF II Series User Manual
APPlYING STATISTICS TO YOUR bREAK TEST
RESUlT
The DFS II Series gauge will calculate statistics
for your Break Test results saved in the gauge
memory. The gauge will calculate and display the
following:
n Mean
n Coefficient of Variation (COV)
n % Difference
n Standard Deviation
The “Statistics” function is part of the “Save” function
within the DFS II Series gauge. To calculate and
display statistics from the Home display, select the
F3 (More) key. Then select the “i” key. Next select
the F3 (More) key for gauge statistics.
View Mean
The first calculated statistic is Mean. The DFS II
Series gauge will display the average of the number
of results saved in memory. In addition to the Mean
value, the gauge will also display the Maximum and
Minimum values on which the Mean was calculated.
Select the F1 (Xmit) key to transmit the displayed
information through the digital output port.
Select F2 (COV) to calculate and display the next
statistic- Coefficient of Variation.
Select F3 (More) to go to the next statistical
operand- % Difference.
View COV (Coefficient of Variation)
COV is displayed after Mean. The DFS II Series
gauge will display the COV value and the Standard
Deviation and Mean used to calculate this result.
Select the F1 (Xmit) key to transmit the displayed
information through the selected communications
port.
Select F2 (%Diff) to calculate and display the next
statistic- % Difference.
Select F3 (More) to go to the next statistical
operand- Standard Deviation.