The temperature sensor amplifier in the engine test cell processes signals from thermocouples embedded in exhaust manifolds, translating microvolt-level changes into precise data for real-time monitoring. This critical component ensures accurate thermal feedback during stress testing, enabling engineers to detect overheating risks or inefficiencies in combustion systems. As part of the automated data acquisition system, it interfaces with industrial PCs to log performance metrics, supporting quality control and R&D efforts. Its robust design withstands harsh environments, including vibrations and electromagnetic interference, common in automotive assembly lines. In vehicle manufacturing, this amplifier plays a pivotal role in validating thermal integrity of powertrain components, ensuring compliance with safety and performance standards. It is also employed in adjacent sectors like industrial heating systems, where reliable temperature regulation is essential for process consistency. By providing stable, high-fidelity signal conditioning, the amplifier facilitates precise diagnostics and enhances operational reliability across demanding industrial applications.