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Stuart,
Thanks for your help again.
Rob Trembath
Quoting Stuart <stuartw@kcbbs.gen.nz>:
> On Thursday 01 January 2004 20:16, you wrote:
> > What are most people using to measure Supra Air/Feul ratios?
> >
> > I am unsure if my meter is working correctly.
>
> Check it with a high impedance multimeter (any cheap LCD display one should
> do
> fine - the signal is 0-1 Volts).
>
> Make sure yuo NEVER apply a voltage to this sensor - it will ruin it
> immediately and it will never be accurate again - applying a multimeter set
> to 'resistance' will do this - so make sure you never use that range!
> 'voltage' only!
>
> then download this file:
> http://www.carlton24v.co.uk/datasheets/o2sensors.pdf
>
> It will tell you quite a bit of very good information about your Oxy sensor,
>
> and what voltages mean what.
> If you look at the 'O2 Sensor Output [Volts]' table you will get a good
> idea.
> This document explains a LOT about these sensors, including how inaccurate
> they are, and why NO display actually tells you an accurate A/F ratio, just
> which sind of 14.7:1 you are on.
>
> Regards,
> Stuart.
>
>
> ---
> Supra Club of New Zealand
> http://www.supras.org.nz/
>
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