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does mixing oil and water will change its dielectric?
im doing a project. my project is, measure 2 level in a tank ( oil & water ) without using a transmitter.
basically, there a tank that filled with oil and water. the sensor that i wanted to use is capacitive sensor probe. Can it measure both mediums? since the oil and water mix, does it change its dielectric. and how can i differentiate which is the level for water and level of oil?
or maybe its better to combine method, "resistive and capacitive" maybe?
if you guys have any suggestion, i would appreciated.
thanks.
2 Answers
- johnmLv 78 years agoFavorite Answer
No, it can't measure both mediums at once. In a water/oil separator tank, just the oil vs. water interface level can be measured with a capacitive probe. Oil and water don't mix, unless they form an emulsion with the use of an emulsifier ingredient. Gasoline and water don't mix. Gasoline, alcohol and water do mix (to a point).
Source(s): http://www.oil-in-water.net/arjay/2114owsum43dwg.p... http://en.wikipedia.org/wiki/Emulsion - billrussell42Lv 78 years ago
oil and water don't mix, they will separate. And yes, oil and water have different dielectric constant values, and the mixture, will be between the tow values, until it separates.
What exactly do you want to do? measure the total amount of fluid? use a dipstick or similar. How would a transmitter measure anything? it doesn't, it only transmits what some sensor measures.
