A Float of compatible MOC is immersed in the liquid and moves due to buoyancy.
The movement is conditioned within a SS Float Chamber. External to the Float Chamber is a Glass Tube carrying a Magnetic Follower and an Indicating Assembly (Red follower or Bi-Color).
The magnet on the Float and the magnet on the Magnetic follower are coupled to move in unison.
When the Float moves along with change in liquid level, the Magnetic Follower moves in unison inside the Glass Tube and PVC magnetic strips thereby allowing clear visibility of level