O2 Volts

[rr]

>> 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

(I'm chuckle'ing to myself), you've a point there. I have
to head out to the garage, I have, lets see; propane, argon,
acytelene (sp!), I'll see about butane. I have to try some
things out here... (as Arnie would say, in that low, deep
voice, 'I'll be back').

BobR.

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