The demand for hydrogen gas detection solutions has surged due to the increasing importance of hydrogen in clean energy and industrial sectors. Hydrogen, with its unique properties of being colourless, odourless, and highly flammable, poses significant safety risks if not monitored effectively. Advanced technologies, including electrochemical and catalytic sensors, offer precise and reliable detection of hydrogen concentrations, making them vital for ensuring safety in various industrial applications. The Sensitron SMART 3G series of gas detectors is highlighted for its certifications and accuracy in detecting hydrogen in intrinsically safe environments. Hydrogen detection plays a critical role in industries like chemical production and hydrogen energy plants, where proactive monitoring systems are essential for detecting leaks and preventing accidents. The automotive sector also heavily relies on hydrogen detection for vehicles powered by fuel cells, enhancing safety and reliability. As the utilization of hydrogen continues to grow across industries, the need for robust safety measures and dependable detection systems becomes increasingly paramount to ensure the protection of personnel, equipment, and the environment.