Which WB O2 is Best??

[bcroe at juno.com]

Yes we need a good functional test; volunteers to
develop it may step forward.  

I believe the curve you have seen is the output of the 
DIY-WB circuit connected to a sensor, not simply
the sensor output.  The circuit includes a calibration 
circuit using a resistor installed in the sensor 
connector by the MFGR.  Exactly how accurate, don't
know, but probably a few percent.

Bruce Roe

On Wed, 7 Nov 2001 19:24:49 -0800 "David LaRoe" <davidlaroe at home.com>
writes:
> Hi List;

> IMHO, We really need to develop a real functional test of the 
> electronics prior to connecting the O2 sensor.  An O2 sensor 
> simulator would be nice
> 
> Also, IMHO, we need some way to calibrate our electronics for 
> differences between O2 sensors.  The one output plot of sensor 
> output, that I have seen, does not give MFG tolerances (Is it 
> +/-0.001% or +/- 30%?  Who knows?).  Is the output linear from 800*C 
> to ?*C ?  As good as Honda is, I would guess that they have some way 
> to electronically compensate for this non-linear, analog device.

> Dave LaRoe
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