This advanced electrochemical galvanic sensor is purpose-built for precise PPM oxygen measurement in carbon dioxide-rich environments, delivering zero CO₂ interference for highly accurate trace-level monitoring. Incorporating the proven reliability of traditional galvanic designs with enhanced sensitivity, stability, and signal-to-noise performance, it ensures dependable operation in demanding applications. With a 24-month operational lifespan, it provides consistent and reliable oxygen detection for process control, gas purity verification, and other critical CO₂ based systems.