Cmad Engineering Solution

DC-9102E Conventional Photoelectric Smoke Detector is a new-generation product. With built-in microprocessor, the detector is highly fixed with reliable fire judging program, which make it stable and reliable performance. When the detector checks fire signal, it will send fire information to the control panel or addressable zone monitor unit by means of current changing. The detector keeps turning on the LED to indicate alarm state until it is reset. The detector is developed from sensing chamber by scattering theory. It has the ability to resist dust contamination and environmental light. The detector utilizes drift compensation algorithm: When the environment is changing, such as dust accumulation, humidity and temperature changing, the detector can figure out these drift variation to make up for sensitivity, thus the amount of smoke needed to generate an alarm remains constant, irrespective of environmental conditions. The principle diagram is shown as Fig. 1 

DC-9105E is a conventional reflective beam detector, powered by 24V. with excellent built-in microprocessor, the detector can carry out system adjustment, drift compensation of ambient data, and judgment of fire and fault through fixed algorithm. The detector has an integral visible laser pointer and 2 bits digital tube. It is easy to install and align with the reflector，convenient for commissioning with indications of 2 bits digital tube displaying received light intensity. The sensitivity of the detector can be set through handheld programmer in field, suitable for various applications including large storage zones, shopping malls, fitness centers, gyms, exhibition halls, hotel lobbies and areas with complex ceilings.