The Princo Resonator™ level switch utilizes dual mode resonance sensing technology to establish and maintain tine resonance generated from its low energy compact electronic circuitry.

When the material level reaches the resonating tines, it produces a change in the resonance pattern. This change is sensed by the sophisticated electronics which activates the output signal. 

Unaffected by viscosity, foam, conductivity, dielectric, suspended solids, bubbles and/or turbulence, the Resonator™ level switch is ideal for a variety of liquid or free flowing granules or powder level applications, including: run-dry protection, fill/dump control and vessel overfill.