The OPECL by Detector Electronics Corp. is an open path infrared hydrocarbon gas detector which is designed for measuring hydrocarbon vapors in the lower explosive limit per distance detection range. For this specific model, it comes with a variation of features such as Rock solid mounting fixture and a composition of 100% stainless steel for durability purposes. Also, for easy installation, it uses integral wiring termination compartment. As indicators, it uses three colored LED so that external status is well indicated. Plus, its FM performance is based from different approval such as CSA and DEMKO for hazardous locations.