> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of Dwayne Reid
> Sent: 01 September 2010 22:28
> To: Microcontroller discussion list - Public.
> Subject: Re: [EE] Spark Proving Systems
>=20
> At 12:57 PM 9/1/2010, Marcel Duchamp wrote:
>=20
> >It may be hard to find because it is an indirect measurement of flame
> >presence. It only tells you if spark current is going somewhere.  A
> >fault in the HV cable insulation allowing a spark to ground won't be
> >detected and in that case there will be no spark at the ignitor.
>=20
> Actually, that's not the case.
>=20
> I will be monitoring the ground side of the spark
> gap.  If the arc is going somewhere else, no
> current will flow on that electrode.

If the spark gap got shorted you'd still, have a problem though!

Mike

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