12 Appendix A - Marking codes ................................................................................... 16
12.1 ATEX Mark .............................................................................................................................................................16
12.2 IECEx Mark ............................................................................................................................................................16
12.3 GOST-R Mark ........................................................................................................................................................17
12.4 Gas group classification ...................................................................................................................................17
13 Appendix B - Electrical diagram .............................................................................. 18
14 Appendix C - EXH Declaration ................................................................................. 19
15 Appendix D - EXH Germanium Declaration............................................................ 20