ver small vessel level sensor

[xJAyx]

I'm looking for a non contact level sensor for use in a container that has a range of 0.5-6 inches from the sensor. The material is a clear liquid and has chemical compatibility issues, but even without considering that I haven't found anything acceptable. I have looked at a couple ultrasonics but they haven't met my dead band criteria.
Can anyone help me out with a manufacturer to look at?
Thanks.

 

[ScottyUK]

Any other constraints? What about an optical device mounted through the vessel wall, e.g.

http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=0285778

for example?


----------------------------------

If we learn from our mistakes I'm getting a great education!

 

[xJAyx]

I'm looking for something with an analog output. But thanks for the link, being in Canada I completely forget about RS sometimes.

 

[danw2]

laser

http://www.dimetix.com/index.html

 

[roydm]

I know you said non contact but have you considered a teflon covered capacitance type. You could use a fat probe to maximize on capacitance change.
I think radar might work also, I believe the dead zone is much shorter than ultrasonic.
Regards
Roy

 

[dcasto]

dp cells always work. Radiation-Based Level Gages are available too

 

[controlnovice]

How about weigh cells?


______________________________________________________________________________
This is normally the space where people post something insightful.

 

[Chinook82]

Being in Canada have you looked at the Siemens / Milltronics Radar?

 

[glowing]

allan bradley has great low range u/s measurement sensors now to. also, IR / laser measurement may be ideal


and here is some contact level elements you may want to consider:

http://www.ktekcorp.com/dnn20/Default.aspx?tabid=54&productTypeId=5

I know Siemens milltroncs has great models of these to.