Making measurements in closed tanks ?

[ArFa]

You'll find a lot of commercial sensors under the keywords "non-invasive ultrasonic level measurement" respectively "non-invasive ultrasonic level switch"

e.g.:

Thanks for your helps,
I need to know fuel level, not only to detect if there's fuel or not.

 

[FvM]

Seems like you didn't review other non-invasive links, e.g. https://www.katronic.co.uk/products/non_invasive_ultrasonic_level_measurement.asp

 

[kripacharya]

Seems like you didn't review other non-invasive links, e.g. https://www.katronic.co.uk/products/non_invasive_ultrasonic_level_measurement.asp

This is great stuff. I'm going to put together something which uses these principles. Why didn't i think of this method of fluid level measurement before ?
thanks chief

 

[ArFa]

Seems like you didn't review other non-invasive links, e.g. https://www.katronic.co.uk/products/non_invasive_ultrasonic_level_measurement.asp

I didn't see this link before, I looked there and I think this is what I really need,
but in this link it states that I should get sonometer 30 system and I can't use only ultrasonic sensor.
I don't need sonometer 30 controller, i want those data in my controller, do you think it is feasible ?

 

[FvM]

I didn't see this link before

I didn't post the link, but it's one of the very first google hits for "non-invasive ultrasonic level measurement".

I just wanted to show that this kind of measurements is feasible and utilized in industrial instrumentation.

You can either buy commercial instruments or design it on your own. I don't know your electronics and physics and mechanical engineering skills and can't estimate your chances to manage the design.

 

[Externet]

I'm sorry for my bad question :S
My issue is to measure fuel in a genset tank. So I assume that this tank is from metal and it's very big size...

First, "very big" means nothing.
An older thread, but deserves showing a solution that few know about. There is several depth lenghts available :

----> **broken link removed**

Instead of absurd complications.