In many applications of contact is required level of high or low level to take action. The vibrating vane switch is one of the solutions used. They consist of an instrument with metal paddles.
They vibrate like a tuning fork. By changing the environment in which they vibrate (air to liquid or solid) will change the frequency at which the tuning fork vibrates. By changing this often generates a contact on which action may be taken.
The level switch is used for liquids, solids and powders.
– Pulp and Paper.
– Chemical Plants.
– Water treatments.