... , propane, butane, phosgene, chlorine acid, based, steam, oil, etc.Magnetic Level Indicator consist of a chamber and anInternal float in non ... with the liquid. The float moves freely with the liquid level in sturdy side mounted non-magnetic metal chamber. The float ... is coupled to an external visual indication, whish comes in two designs. The simpler & economical desiign consist of red magnetic capsule ...