The Ellenex CDO2-L Dissolved Oxygen and Temperature Transmitter is a battery-powered wireless water-quality transmitter that reports dissolved oxygen and temperature over LoRaWAN. Designed for continuous unattended monitoring in aquaculture, wastewater aeration basins and environmental monitoring, it combines precision sensing with ultra-low-power LoRaWAN telemetry for multi-year deployment.

Key specifications

• Measures dissolved oxygen and temperature
• LoRaWAN 1.0.2 Class A; bands AS923, EU868, US902-928 and AU915-928
• Built-in replaceable 3.6 V lithium battery with multi-year service life
• IP68-rated probe construction for continuous immersion
• Sampling period configurable over the air via LoRaWAN downlinks
• OTAA (default) or ABP activation; firmware updatable over the air

It joins any standard LoRaWAN network via OTAA or ABP, so it works with the network server and IoT platform of your choice.