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What is the difference between sealed electrochemical sensors and those requiring initial charging with electrolyte?

April 26, 2017difference electrochemical electrolyte initial requiring sealed sensors

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What is the difference between sealed electrochemical sensors and those requiring initial charging with electrolyte?

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There are a number differences, the most obvious is that analyzers that feature a sealed oxygen sensor do not require the addition of potassium hydroxide (caustic) prior to start-up. Open reservoir sensors also require the user to replenish the electrolyte on a frequent basis.