After finishing this lesson, you will be able to identify various level sensing and measurement devices, and describe their basic operation.
• Describe the basic types of level measurements, including point and continuous level methods
• Explain the operation of the following types of direct measuring level instruments: – Weighted tape gauge – Sight glass – Reflex gauge glass – Float
• Explain the operation of the following types of indirect measuring level instruments: – Pressure detector – Bubbler – Displacer – Capacitance probe – Ultrasonic/radiation sensor – Weight sensor
