In the steel industry, the sensor is integral to the continuous casting process, where it monitors critical parameters in the tundish and mold systems. Mounted within the cooling channels of the mold, it ensures precise temperature control by providing real-time feedback to the automation system, enabling adjustments to coolant flow and preventing thermal stress on the steel ingot. This role is vital in maintaining the structural integrity of the final product, as even minor deviations can lead to defects. The sensor's placement allows it to withstand harsh environments, including high temperatures and corrosive materials, while delivering consistent data. Its integration into the hydraulic and cooling systems of the caster ensures seamless operation, supporting the high-speed production demands of modern steel mills. By enabling proactive maintenance and process optimization, the sensor contributes to operational efficiency and product quality. In secondary applications, it may also be found in rolling mills, where it assists in monitoring lubrication systems and ensuring smooth metal flow.