Flame detectors are devices designed to identify the presence of fire by sensing the infrared or ultraviolet radiation emitted by flames. They are commonly used in industrial settings, such as oil refineries and chemical plants, to enhance safety and prevent catastrophic events. These detectors can quickly alert personnel to a fire, allowing for prompt action to minimize damage. There are various types of flame detectors, including infrared detectors, ultraviolet detectors, and multi-spectral detectors. Each type has its advantages and is suited for different environments. Proper installation and maintenance of flame detectors are crucial for ensuring their effectiveness in fire detection and safety systems.