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The Seametrics TempHion is a submersible water quality sensor and datalogger available with a pH/ORP element or a Bromide ion-selective element, plus a thermistor-based temperature element. Its patented reference electrode provides long-term stability for continuous or intermittent monitoring, enabling unattended in-situ pH testing and Bromide tracer studies without frequent calibration or service. SPECS MANUAL Communicating over Modbus RTU (RS485) or SDI-12, the TempHion logs over 200,000 records using Seametrics' free Aqua4Plus software, and is available cabled or cableless in 316 stainless steel or titanium depending on configuration. Measures pH, ORP, and temperature — or Bromide and temperature Patented reference electrode for long-term calibration stability 200,000+ record non-volatile memory Field-replaceable AA batteries Dual Modbus RTU (RS485) and SDI-12 protocol support Free Aqua4Plus software; optional Geotech telemetry system available 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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