- Ravel RE 316S-2L Conventional Photoelectric Smoke Detector With Base is designed to work with all conventional Panels. These detectors are low profile and have dual LEDs for 360 visual indications. The blinking LEDs indicate normal operating conditions whereas the steady state indicates fire status. It has a unique protocol chamber designed to sense smoke produced by a wide range of sources of combustion. It has a unique drift compensation feature where the detector adjusts its normal reference based on environment conditions.



