Water Purification Resistivity Meters

High purity water is commonly measured as resistivity. Absolute pure water at 25 oC with have a resistivity of approximately 18.2 megaohms/cm (0.055 μS/cm). Hanna offers a resistivity process meter to monitor the output from a systems including mixed DI beds and double pass reverse osmosis (RO) systems capable of producing high purity water. Portable resistivity meters are available inlcuding a version with a flow cell to prevent any carbon dioxide from entering the water causing a decrease in resistivity or an increase in conductivity by its' reaction with water.

 

Process Control

 

 

 

 

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