How does a Level troll work? Name the parts of a pneumatic Level troll.   

Displacer level instruments use the Archimedes Principle to measure the level of a liquid by measuring the weight of a rod that is immersed in the process liquid. As liquid level rises, the displacer rod experiences a greater buoyant force, appearing lighter to the sensing instrument, which interprets the loss of weight as a rise …

How does a Level troll work? Name the parts of a pneumatic Level troll.    Read More »