
Membrane-covered amperometric dissolved oxygen sensor for 0-20 ppm DO measurement. Decades of installed-base reliability in municipal and industrial wastewater aeration basins. Field-replaceable membrane and electrolyte. The cost-effective alternative to the optical RDO when daily calibration burden is acceptable.
Rosemount is configurator-heavy and quote-only — Valley Instrument verifies option compatibility, lead time, and pricing before confirming your order.