Microwave Barrier Level Measurement

Microwave Barrier Level Measurement

Microwave barrier level measurement is a contact-free point level detection method primarily used in bulk solids handling. It is often deployed where intrusive devices are prone to jamming, wear, or mechanical damage, or where access constraints prevent internal mounting.

A transmitter and receiver operate as a barrier across a vessel, chute, shaft, or conduit. The system can be installed in containers, conduits, and free-fall shafts, and measurement can be performed through non-metallic container walls from the outside, enabling non-invasive detection in selected installations.

The technology supports point level indication, bulk flow monitoring, positioning and counting tasks, and “present/not present” detection without contact with the product. Detection of bulk solids movement can be based on Doppler behavior, making it useful for flow/no-flow confirmation and counting tasks where mechanical sensors would suffer.

Typical applications include wood chips, paper and carton chips, lime, pebbles, sand, and even packaged goods such as bags or boxes. These services share a common need for rugged detection that tolerates dust, impact, and changing bulk behavior without frequent maintenance.

Design considerations include path length, mounting alignment, selection of installation location to avoid false triggers from structures or buildup outside the sensing zone, and confirming wall material suitability when mounting externally. When correctly applied, microwave barriers deliver a mechanically robust, maintenance-free detection point that remains largely unaffected by process conditions.

Engineered Equipment Company, a leading supplier of specialized industrial equipment.