Product Comparison
Optical DO Sensor vs Membrane DO Sensor: An Engineering Comparison
Optical (luminescent) dissolved oxygen sensors have no membranes or electrolyte to replace, consume no oxygen and tolerate sulfide interference. This guide compares both technologies across accuracy, maintenance and lifecycle cost.
Product Comparison 8 min read
TENGINE Application Engineering Team
Written and reviewed by our engineers — 20+ years designing online water quality monitoring systems, with 160,000+ instruments in service worldwide.
Optical (luminescent) dissolved oxygen sensors have no membranes or electrolyte to replace, consume no oxygen and tolerate sulfide interference. This guide compares both technologies across accuracy, maintenance and lifecycle cost.
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