Reverse Osmosis Water Level Detection

		Global reverse osmosis (RO) systems represent a $2.2 billion industry annually. The U.S. is the largest market comprising 55% of total global production or $1.21 billion. Industries that commonly use RO water include boiler feed water, beverage production and electronics manufacturing. In fact, many of the world's largest bottled water companies use RO as their prefered method of water filtration. RO is a preferred filtering method due to its simplicity and effectiveness of removing dissolved solids and other contaminants. RO works by applying pressure to unfiltered water on one side of a selectively permeable membrane. This membrane allows for only pure water to pass through the membrane to the other side while the remaining contaminated water is discharged.
In this application an EchoSwitch II detects both low level and fill conditions. When the water level is low the EchoSwitch II signals a pump to fill the tank for continued production. When the FULL set point is achieved, the input valve is closed allowing for the water to be filtered, producing both wastewater and pure water. Once the filtration is complete the waste flush valve and product divert valve open and the RO process cycles again. If you would like more information on how accurate level detection can work for you click here.

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