Gas Data GFM436 - Page 4

9ENG8008 GFM436 User Manual
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15 GFM436 - Maintenance........................................................................................76
16 Appendix A – Velocity Flow Conversion Charts .................................................77
17 Appendix B – Understanding Instruments For Use In Flammable
Atmospheres .......................................................................................................78
17.1 Hazardous areas classified by zones........................................................................................78
17.2 Different types of gas ................................................................................................................78
17.3 Design and construction of intrinsically safe instruments for use in flammable
atmospheres .............................................................................................................................79
17.4 Testing and Certification ..........................................................................................................80
18 Appendix C – Vane Anemometer ........................................................................81
18.1 Operating Instructions..............................................................................................................81
18.2 Important notes ........................................................................................................................81
18.3 Streamline Measuring Head .....................................................................................................81
18.4 Response time...........................................................................................................................82
18.4.1 Response Time of electronics:................................................................................................................................ 82
18.4.2 Response Time of Vanes: ........................................................................................................................................ 82
18.4.3 Technical data – MiniAir 6 Micro............................................................................................................................. 82
18.5 Cleaning and maintenance.......................................................................................................82
18.5.1 General handling tips.............................................................................................................................................. 83
18.5.2 Vane probes............................................................................................................................................................. 83
18.5.3 Cable, extension rod, case...................................................................................................................................... 84
18.5.4 Snap Head ............................................................................................................................................................... 85
18.5.5 Checking/factory inspections................................................................................................................................. 85
19 Appendix D – Warranty Policy ............................................................................86
19.1 Conditions and exclusions........................................................................................................86
19.2 Disposal .....................................................................................................................................86
20 Appendix E – Declarations of Conformity ..........................................................87
20.1 EU DoC .......................................................................................................................................87
20.1.1 The Electromagnetic Compatibility Directive 2014/30/EU: .................................................................................. 87
20.1.2 ATEX Directive 2014/34/EU: .................................................................................................................................... 88