Aditya Infrasafety Solutions offers smoke detectors precise enough for high-sensitivity and harsh environments.  Smoke Detectors may not sense a fire developing on the other side of a closed door. In areas where doors are usually closed, detectors should be located on both sides of the door. Smoke detectors are designed to be as maintenance free as possible; however, dust, dirt, and other foreign matter can accumulate inside a detector’s sensing elements and change its sensitivity. They can become either more sensitive, which may cause unwanted alarms, or less sensitive, which could reduce the amount of warning time given in case of a fire.