Detectors suitable for detecting flames from light and heavy hydrocarbons (wood, paper, oil, natural gas) and flames generatedby hydrogen (for UV and UV/IR models). 90° vision cone, good immunity to false stimuli. 10-28V DC power supply, IP65 Protection Grade, all models have the following certificates: EN54-10, ATEX/IECEX cat. 3 for use in 2/22 zones, FM. Class 3260 and cFMus class 3611.