On 2006-06-24, Paul Hovnanian P.E. <paul@xxxxxxxxxxxxx> wrote:
> Michael wrote:
>> So, (for a water level sensor), do you think that rather than AC, I could
>> use DC on my probes and just "sample" every 5 seconds or so for a very short
> You just missed the thread on capacitance based level sensors. With
> these, the electrodes are not in direct contact with the water so
> electrolysis is not an issue.
I'm reading this in s.e.b but yeah capacitance has always seemed a better
way to sense levels to me, does it work well for non-conductive liquids
like oil or gasoline? (conductive sensors can't work there)
can it be used with compressed (non-liquid) gasses?