How is the interface height between different media measured? What type of level gauge is the best to choose?
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The upper layer is ammonia water, while the lower layer is tar; the two are slightly soluble in each other. There is a 0.5 m thick transition layer between them, which is a mixture of tar and ammonia water. Tar and ammonia water have significant differences in viscosity and density. Help: How to choose an interface designer?
Electromagnetic types, such as capacitive ones, measure based on differences in electrical conductivity
If the conductivity of ammonia solution is higher than that of tar, an RF admittance interface meter can be selected. Insurance: add a pair of flanges for reference. I have been using it for five years.
Using a magnetostrictive level gauge, it is possible to measure multiple interfaces and temperatures simultaneously. Reference address: >>> Information on magnetostrictive level gauges
I recommend those with servo control, but it seems that there are few domestic options – they are all imported, and the price might be a bit higher. For measuring hazardous liquids, I would suggest using our external level gauges, hehe!
Is the principle of radiofrequency sodium guidance capacitive?
Use radio frequency admittance, or a radioactive level gauge (which is the best).
Use radio frequency admittance, or a radioactive level gauge.