55000-065APO Conventional Exd Flame Detector (UV/IR2) - Flameproof [SIL2]55000 065APO Conventional Exd Flame Detector (UV IR2) Flameproof [SIL2] The Conventional Exd Flame Detector (UV IR2) is designed for hazardous environments in either indoor or outdoor applications where open fires may be expected. It detects almost all flames, including those invisible to the naked eye, e. g. hydrogen fires. Key Features: ATEX Certified: II 2 G D CENELEC IEC Certified: EEx d IIC T6 (Zones 1, 21, 2 and 22) Class 1 sensitivity to EN 54