Technicial Specifications: Ex-proof Zone Class: Zone 1, 21 Ex-proof Protection: Ex II 2G Ex eb IIC T6, T5 Gb / Ex II 2D Ex tb IIIC T80 °C, T95 °C Db Protection Degree: IP66 Ambient Temperature: -20°C ÷ +40°C (-55°C ÷ +55°C in certain cases) Body Material: AISI 316 L or AISI 304 Stainless Steel ATEX Certificate: IBExU 99 ATEX 1096 OTHER AVAILABLE CERTIFICATES: IECEx IBE 09.0017, TC RU C-SI.GB08.B.02262