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When a high level control (point level sensor) fails it can easily result in some form of disaster for you.  You might have to clean up material that has overflowed your silo or bin. 

You might have damage to the vessel, like clogging a bin vent or even physical damage to the vessel or vents or dust collectors, not to mention the loss of your valuable material.  The point is that the cost to you when a high level control or indicator fails is something you want to avoid. 

Typically fail-safe point level sensors are employed to help eliminate these situations.   Click for more and look for the February 7, 2007 post, "When is fail-safe really safe?"

Joe Lewis
Vice President
Monitor Technologies

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