The Rosemount 389 pH Sensor / ORP Sensor, with integral cable, is housed in a molded Tefzel™ body with Viton™ o-rings, making each sensor virtually indestructible and chemically resistant. Complete encapsulation eliminates leakage or high humidity problems traditionally found in other pH/ORP sensor designs. The simplified construction, designed with user convenience in mind, does not require electrolyte (KCl) replenishment or any high maintenance troubleshooting procedures.
Application Note: ORP Sensors in the Production of Potable Water and High Purity Water from Reverse Osmosis Membranes
Application Note: pH Measurement in Corn Processing
Application Note: pH Measurement in Paper Mill Headbox
Product Data Sheet: 389/389VP General Purpose pH/ORP Sensors | Rosemount
Product Data Sheet: Liquid Analysis Sensor Mounting, Wiring, and Calibration Accessories
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