Vibration fork level switch is our star products many years , some customers became our long- business partner after they purchase this product from us , it dan be said the high grade quality among so many China producers . Working Principle of Tuning Fork Level Switch : The tuning fork vibrates at a resonant frequency through a pair of piezoelectric crystals attached to its base.

Except the popular tuning fork level switch , our RF level switch ,Rotary paddle level switch are also approved by our clients all over the world !