Description Apollo Discovery Multisensor Detector. The Discovery Multisensor Detector comprises optical smoke and thermistor temperature sensors which give both a combined signal as well as a separate heat signal for improved false alarm management. Apollo Part Numbers: 58000-700APO, 58000-305APO, 58000-700SIL Made in the UK
FFE Fireray One Reflective Auto-Aligning Beam Detector (5m-50m)FFE Fireray 3000 Optical Beam Smoke Detector (OBSD)