C-6 DATA COMPUTATIONS
MON2000
Conc. Analysis with Response Factor JULY 2010
Calculated response factors are stored by the
controller for use in the concentration
calculations, and are printed out in the
configuration and calibration reports.
where
The percent deviation of new RF average from
old RF average is calculated in the following
manner:
where the absolute value of percent deviation
for alarm has been previously entered by the
operator.
Equation C-2 Average Response Factor
RFAVGnarea or height average response factor for
component “n”
RFiarea or height response factor for
component “n” from the calibration run
k number of calibration runs actually used
to calculate the response factors
Equation C-3 Percent Deviation
RFAVGn
RFi
i1=
k
∑
k
------------------
=
deviation RFnew RFold–
Rfold
---------------------------------------- 100×=