Magnesonics Controls
Vibrating Fork Level Controls
Magnesonics Vibrating Fork Level Controls use a piezoelectric crystal to vibrate a fork-shaped probe at its natural resonant frequency. When the fork is immersed in liquid or covered by bulk solids, the vibration frequency changes, triggering the level switch output. This technology provides reliable point level detection with no moving parts and no calibration required.
Vibrating fork level switches are suitable for a wide range of liquids including high-viscosity fluids, slurries, and foaming liquids, as well as granular solids and powders. The fork design is self-cleaning and resistant to buildup.
Key Features
No Moving Parts
Piezoelectric vibration technology — no floats, no paddles, no mechanical components to wear or stick.
No Calibration Required
Factory set for liquid or solid detection. No field calibration needed for standard applications.
Self-Cleaning Fork
The vibrating fork resists buildup of viscous liquids, sticky materials, and scale. Suitable for high-viscosity and coating applications.
Wide Application Range
Suitable for liquids, slurries, foaming liquids, granular solids, and powders. Works in high-pressure and high-temperature service.
Specifications
Detection Principle
Piezoelectric vibrating fork — frequency shift detection
Media
Liquids, slurries, foaming liquids, granular solids, powders
Process Connection
¾" NPT standard; other sizes available
Fork Material
316L Stainless Steel standard; Hastelloy C available
Pressure Rating
To 580 PSI standard; higher ratings available
Temperature Rating
-40°F to +302°F standard; higher available
Output
SPDT relay; optional 4-20mA
Approvals
ATEX, FM, CSA available for hazardous locations
Related Products
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