
Vibrating Fork Level Switches for Liquids and Solids: How They Work, Key Features & Industrial Applications
No floats, no buoyancy, no moving parts — vibrating fork level switches use resonance frequency shifts to detect liquids, powders, and granules with maintenance-free reliability. Here’s how Whitman Controls’ L90, L91, and L92 series handle everything from aggressive chemical liquids to bulk solids across temperatures up to 482°F and pressures to 218 PSI.





