Riken Keiki GX-3R Pro Portable Gas Detector is a compact, multi-gas personal monitor designed for industrial safety and confined space applications. The GX-3R Pro is capable of simultaneously detecting up to five gases, including combustible gases (LEL), oxygen (O₂), carbon monoxide (CO), hydrogen sulfide (H₂S), and a wide selection of toxic gases or carbon dioxide (CO₂) using an interchangeable smart sensor. Despite its small size, the GX-3R Pro is equipped with advanced features such as Bluetooth connectivity for wireless monitoring, a man-down alarm, and compliance alerts. Built for tough environments, it offers high durability, long battery life, and clear visual, audible, and vibration alarms to ensure worker safety in hazardous areas.