Emerson Exchange 365

Tip #88: Use Middle Signal Selection to Improve pH Measurement Reliability

Biopharmaceutical batches are often worth more than a million dollars. The product quality of these batches is sensitive to changes of 0.1 pH and the steam sterilization of electrodes reduces the life and accuracy of a sensor that under the best of conditions is the weakest link in a control system. Yet people looking at [...] Read the full text.

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