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vahid said:Hi
I'm looking for a level sensor for oil tank
this sensor detec three level :full ,medium and low
Pls visit here **broken link removed**Article said:Water level can be measured with many types of sensors; pressure transducers, bubblers, shaft encoders, or ultrasonic sensors. The location where you are measuring water level, the accuracy required, and the ease of installation all contribute to determining the best water level sensor for your measurement site.
Yes... I agree with Fragrance and eltonjohn that oil is flammable and this probably the reason why the stick ruler is still the preferred method.eltonjohn said:I got envolved in a oil metering system .. I came up with a new approach .because as the previous person mentionned .The problem with flammable substances and electronics is the possibility of a spark .So they are very hard to be adopted .It has to pass lots of testing ... so ultimatly the old method of a stick is good .But is labor intensive .My invention now pattented consisted on a IR temperature meter
by scanning with the device is possible to detect the level of the tank from outside
then is just a matter of easy calculation .. It works pretty good with oil .But is bad with gasses
I see. Thanks for the information.eltonjohn said:My design is only used in CAPTATION tanks .These are small STORAGE tanks for oil produccing wells .There are about half a milion of these 300 oil barrel tanks in the US alone .. and because these oil wells produce about 5 barrels a day. The monitoring is done by people .SO there is lot to be done to be done. But you find these tanks close to homes these days. So to put electronics is a PROBLEM! any monitoring system has to be NON INTRUSIVE to avoid a SPARK!