Flameproof instrumentation presents fault announcer capable of signaling faults or unexpected event that occur in the plant or the machinery. The Flameproof Instrumentation is made in such a way that fault or the messages that are announced are customized as per the requirement. the activation of the system takes place through fault input in the audible range of 80-100 db. The fault announcer not only announces the fault but also indicates required signals to take necessary action. It simply eliminates annunciation system that includes a personnel involvement to locate the fault that wastes his considerable time and energy. This fault announcer is a perfect inexpensive solution for chemical industries having hazardous areas. Due to the fact that they operate on intrinsically safe technology, they can be directly installed into hazardous areas iia & iib gas groups and the material of construction is thermoplastic making it lightweight and attractive.