O2 Volts

[Bruce Plecan]

> Bruce Wrote:
> >Per several off list letters I checked/doubled checked/thriple checked
> >grounds and power for this bit of history.
> >   I noted the following, using a 4 wire heated O2 sensor.  (General
Motors)
> >With no power to heater, 0.0v.   For approximately 30secs 0.0, and then
> >quickly rose to .1v, then then slowly climbed higher.
> >When hot, there was a nominal voltage of .28v at the O2 sensor lead wire.
> >Exposing this sensor to 97% O2 (Medical Grade O2, as tested this am) it
> >drifted to .030.-.032v.
> >Exposing this sensor to the Butane from a cigarette lighter that was
unlit
> >immediately responded with a display of .7v......
> >Your O2 sensor is a HC Sensor...
> >Bruce and the staff at CSH, HQ

> Bruce, I don't know why you say this, if you douse the o2 sensor
> with butane, you block out the o2, so it will read high, as in a
> rich fuel mixture. (No o2 present).
> All of your above sounds correct, and with all respect, the
> exception of your conclusion...
> BobR.

Is butane not a Hydro Carbon?.
Bruce