Designed for Water Professionals High purity water used in power generation, semiconductor manufacturing, and other industries can be di²cult to measure due to the ability of carbon dioxide (CO®) to diuse into water and form carbonic acid (H®CO±). Carbonic acid quickly dissociates into hydrogen ions (H+) and bicarbonate ions (HCO±¯). These ions will increase the conductivity and decrease the resistivity of the water. In order to measure high purity water accurately it is necessary to perform a continuous ow measurement. HI98197 uses the HI763123 platinum, four-ring probe with a threaded connection that is screwed into a stainless steel body ow cell. The ow cell is then connected to a water source to more accurately determine the conductivity or resistivity without exposure to air. HI98197 is an ideal meter for monitoring the e²ciency of a mixed bed resin or equivalent system that produces high purity water of 18.2 MΩ•cm at 25°C. HI605453 flow cell for ultrapure water 5 Conductivity / TDS 5.29 www.hannainst.com | portable
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