3 evaluation, 1 calculating the systematic error, 2 calculating the random error – Eppendorf SOP User Manual
Page 11: Evaluation 3.1, Calculating the systematic error, Calculating the random error, 3evaluation 3.1 calculating the systematic error
11
Evaluation
Eppendorf SOP
English (EN)
3
Evaluation
3.1
Calculating the systematic error
Mean value of the dispensed volume:
n = Number of measured values
To convert the measured values into volume values, use correction factor Z for
the dependency of the test liquid on temperature and air pressure for each
individual value (see Factor Z for distilled water on p. 36).
Systematic error e
s
in micro liter:
Systematic error e
s
in percent:
3.2
Calculating the random error
Random error as repeat standard s:
Random error as coefficient of variation CV:
The specifications of the tested pipette can be found in the relevant operating
instructions or technical specifications (see Technical specifications on p. 37).