This vibrating fork level switch has been designed to be used as an indicator or warning device when the liquid level in the tank reaches the top of the container. This type of sensor is commonly used in tanks where there are solids such as sugar, salt, flour, etc. The unit can be mounted either horizontally or vertically in the tank. The unit is designed to withstand temperatures ranging from 0C to 60C. The vibration frequency is adjustable and can range from 1Hz to 100Hz.