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The Seametrics DO2 is an optical dissolved oxygen sensor with an integrated datalogger, using fluorescence of a stable, immobilized ruthenium-based film matrix to measure oxygen concentration without membranes, fill solutions, cartridges, or replacement caps. Its compact 1.66" diameter body fits easily into 2-inch wells. SPECS MANUAL Because the DO2's fluorescence-based sensing doesn't require water movement, flow, or frequent cleaning and calibration, it's well suited to long-term unattended deployments in landfill leachate, wastewater treatment, and remediation performance monitoring. It communicates over Modbus RTU (RS485) and runs on Seametrics' free Aqua4Plus software. Fluorescence sensor technology — no membranes, fill solutions, or cartridges 260,000+ record non-volatile memory Does not require frequent cleaning or calibration Modbus RTU (RS485) digital interface Compact 1.66" diameter fits 2-inch wells Free Aqua4Plus software with programmable warm-up time Need cables, connectors, or replacement kits? Browse the Seametrics Parts & Accessories collection.
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🇺🇸 Ship from USA · On Agora since 2026
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