level transmitter working principle wiki

The Level transmitters Animation shows different types of sensors working principles visually which includes Guided wave Radar Level transmitter, Ultrasonic Level transmitter, 2 Wire / 4 Wire Pulse type Radar Level transmitter, FMCW type Radar Level transmitter and Capacitance type Level transmitter.

COMPARISON OF DIFFERENT LEVEL SENSORS PRINCIPLES

Also See : 
1. Non-Contact Radar Level Transmitter Animation
2. Probe Type Radar Level Transmitter Animation
3. Ultrasonic Level Transmitter Animation