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Rugged, low-cost solution for conductivity measurement in steam sterilizable and Clean in Place (CIP) food, beverage & dairy applications - Case Study
Courtesy of Advanced Sensor Technologies, Inc. (ASTI)
The Problem:
An international food manufacturing company performs periodic clean in place (CIP) on their process lines to ensure the safety and quality of its products. The CIP process involves using hot acid and base cleaning solutions run in succession with concentrations monitored by conductivity measurements. The systems the company had been using employed toroidal sanitary conductivity sensors that had great difficulty with the frequent temperature cycles that are typical of CIP. The plastic outer bodies of the expensive toroidal sensors would crack, causing maintenance problems, downtime, and high replacement costs. Failure of toroidals in this manner occurred with multiple suppliers, indicating a generic problem with the sensor type. Because no viable alternative appeared to exist, this costly maintenance cycle endured for years.
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