Guided Wave Radar is the ideal choice for measurements in chambers. It is unaffected by density changes, chamber configuration and has no moving parts which minimizes maintenance. This makes it an easy and reliable substitute for displacer technology.

Rosemount 9901 – chambers for process instrumentation
The Rosemount® 9901 is a range of high quality chambers which allow external mounting of level measurement and control instrumentation on process vessels.

The range offers a PED compliant design in accordance with ASME B31.3, allowing users to buy an integrated bolt-on instrument solution, or simply a chamber for use with existing instrumentation. Read more here