ASSEMBLAD INFRAGAS-196 - Page 15

Assemblad Infragas-196 and Infragas-196 PC-Module * Operating manual
ASSEMBLAD S.r.l. - Costruzioni Elettroniche - Via Marzabotto, 4 - 50013 Campi Bisenzio - Firenze - Italy
Tel. +39-055-890485 - Fax +39-055-890496 - E-mail: info@assemblad.it - Web: www.assemblad.it
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if CO+CO2 is lower than 15, otherwise CO corr = CO
K) Compare following data with the corresponding ones declared by the car
manufacturer, or with expected values:
- CO
- CO2
- HC
- O2
- Lambda
Lambda is a parameter computed as follows:
Lambda = Num / Den
where:
Num:
21 x [ [CO2] + ([CO]/2) + [O2] + ((HCV/4) x 3,5 / (3,5 + [CO] / [CO2]) - 0.00877) x ([CO2] + [CO]) ]
Den:
[21+0.5628 x (([CO]/[CO2]) / (3,5+([CO] / [CO2]))]x[ 1+HCV/4 - 0,01754/2] x [CO2]+[CO]+[HC] x6 x10
-4
]
where HCV = 1.85 for engine supplied with Gasoline
= 2.57 for engine supplied with GPL
= 4 for engine supplied with Methane
With [CO], [CO2] e [O2] = % in vol. and HC = ppm in vol.
If out of range data are measured, proceed with proper repairs and adjustments on
the motorcar.
L) After this work, print a report (*) of repairs and adjustments done.