Integrating online elemental analysers into industrial processes marks a significant leap in real-time material composition monitoring. This paper discusses strategies for their effective selection and integrationIntegration. These analysers significantly enhance process optimizationProcess optimization, efficiencyEfficiency, and quality controlQuality control but require meticulous planning to avoid operational disruptions. Choosing analyser technologyTechnology and designDesign tailored to specific process needs is crucial. Inline analysers are favoured for their ability to deliver precise, timely data by integrating directly into the process stream, thus minimizing measurement delays and cross-contamination risks from sample transport. Ensuring accurate, reliable data in diverse and challenging environments is vital, necessitating robust analysers that can withstand extreme temperatures, pressures, and corrosive conditions. It is also essential that the analysed samples represent the bulk material accurately. Implementing a continuous samplingSampling mechanism that provides homogeneous, representative samples is key. At Thermo Fisher, we collaborate closely with end-users to create robust, cost-effective solutions, ensuring analysers deliver meaningful data for optimizing process performancePerformance.