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A/F vs co2 reading

 
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leadfoot  



Joined: 11 Dec 2002
Posts: 2222
Location: gOLD cOAST Australia
PostPosted: Thu Apr 11, 2013 5:44 pm    Post subject: A/F vs co2 reading Reply with quote
what would be considered idle Air/Fuel ratio for CIS 931 1981 model??
equivelent to the 1.5~2% co2 reading
cheers
Stu
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carbon fiber GT mish mash
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ptheskil  



Joined: 03 Aug 2004
Posts: 128
Location: Essex, UK
PostPosted: Fri Apr 12, 2013 5:48 am    Post subject: Reply with quote
http://www.cambustion.com/sites/default/files/instruments/HFR500/NDIR03v02%20AFR%20measurement.pdf
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leadfoot  



Joined: 11 Dec 2002
Posts: 2222
Location: gOLD cOAST Australia
PostPosted: Sat Apr 13, 2013 4:52 pm    Post subject: Reply with quote
So from what I can drwa from CO levels / lambda / AFR

A co level between .5 and 1.5% is around .94 and .96 lambda

and this is between 13.82 and 14.11 AFR as per below..

0.94 13.82
0.95 13.97
0.96 14.11

cheers
Stu
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