TH2523 Series Operation Manual
Ver1.2
24
numerical keyboard. The instrument can make statistic analysis on up to 30,000 measurement
results.
3.7.4
Statis A/Statis B
Move the cursor to it and select through the soft key. When A is selected, TH2523 will
compare the measurement result with the limit ranges of its primary parameter, count times of
pass, times of higher and lower results; When B is selected, TH2523 will compare the
measurement result with the limit ranges of its secondary parameter, count times of pass, times
of higher and lower results;
3.7.5
Hi/Lo
Move the cursor to it and input the data through the numerical keyboard.
NOTE: Upper and lower limit values should match Statis A and Statis B. When the statistic
mode is Statis A, upper and lower limit values should be that of the primary parameter; when
the statistic mode is Statis B, upper and lower limit values should be that of the secondary
parameter.
3.7.6
Parameter Specifications for Statistic Analysis
1)
X
：
Average value. Corresponding formula
：
x
x
n
2)
：
Population Standard Deviation. Corresponding formula
：
2
2
x
nx
n
（
=
n
）
3)
s
：
Sample Standard Deviation. Corresponding formula
：
2
2
1
x
nx
s
n
（
=
1
n
）
4)
p
C
：
Process Capability Index (Dispersion). Corresponding formula
：
|
|
6
p
Hi
Lo
C
s
5)
p
C K
：
Process Capability Index (Deviation).
