The SMART 3G-Grl Detector: Engineered for Mines, Tunnels, and ATEX Classified Group I Areas. With a focus on safety and reliability, this device excels in environments with specific requirements. The optional display allows for non-intrusive, one-person calibration, simplifying the process. Moreover, the SMART 3G-Grl Detector offers the flexibility of optional 3 relay outputs and an RS485 interface, enhancing connectivity and control. Rely on the SMART 3G-Grl Detector to ensure precision and security in complex and demanding settings.