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Need to create sensor for soluble oil % soltion monitor

Need to create sensor for soluble oil % soltion monitor

Need to create sensor for soluble oil % soltion monitor

In a nutshell, we have some machining fluids that need tight control of concentration.  WE already have a nice circuit for an LED display but need to incorporate a way to sense concentration.  Problem I see here is there is a variety of oils with slightly different SG ratings.  

I would also like to monitor PH as well.  Can someone point me in the right direction?  Concentration of oil in water will be between 3-30% if that helps at all.  

RE: Need to create sensor for soluble oil % soltion monitor

Sounds like a job for a turbidity sensor... the oil will be perceived as a foreign object within the water.

Dan - Owner

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