Pentair HAFFMANS ICC - Calibration and Compensation; Calibration Procedure

HAFFMANS ICC
Page 26 of 49 ICC
7.3.4 Calculating CO2 with air correction
The standard formula has been adjusted for air correction:
   
 




























273.15CT
D
C
headspace
air
atmatm2
e
V
V
ppbarpA %CO by weight
where : A = conversion factor/compensation factor,
p = gas equilibrium pressure,
patm = atmospheric pressure in bar,
Vair = air volume in ml read on the IAM,
Vheadspace = headspace volume of the bottle or can in ml as
determined by weighing or with a template,
C = product-dependent factor
(-10,74)
,
D = product-dependent factor (
2617,25)
,
T = liquid temperature measured in C.
The CO2 value read should be corrected as follows:
 
 











15.273C
22
read % actual
T
D
C
headspace
air
atm
e
V
V
pCOweightbyCO