FISCHER MMS - Page 98

Glossary
94 MMS
®
Inspection DPM High
The following figure illustrates how two very different series of measurements
can have different standard deviations while having the same mean value.
13.2.3 Display texts – Batch Infos page
Batch Name
Name of batch file (e.g. Batch 005)
Batch Type
The batch type denotes the measurand that can be measured with this batch
and the possible measurement settings.
 Climate (CLMT): measurement of relative humidity (RH), air temperature
(Ta), surface temperature (Ts) and determination of dew point (Td) and
Ts-Td
Tolerance Limits [μm]
Settings for specification limit monitoring
Units
Display of the units of measurement set for this batch
Alarm Settings
Listing for which climatic variables the alarm function is activated
Auto Logging
Indication of the set time interval for the automatic data logging and saving cy-
cle
Legend
s: Standard deviation
x
: Mean value of all measured readings of the batch
n: Number of measured readings
x
i
:Measured readings
s
1
n 1–
------------
xx
i
–()
2
i 1=
n

⋅=
Series of measurements with the
same mean value x
and different
standard deviations
x±s x±s
x
x
x
n
n