KROHNE BM 702 A EN - Manual (Page 3)

CONTENTS
3 www.krohne.com 09/2009 - 4000643301 - MA BM 702 A R01 en
BM 702 A
1 Safety instructions 5
1.1 Software history ............................................................................................................... 5
1.2 Intended use ..................................................................................................................... 5
1.3 Certification ...................................................................................................................... 5
1.4 European Union (EU) ........................................................................................................ 6
1.5 Safety instructions from the manufacturer ..................................................................... 7
1.5.1 Copyright and data protection ................................................................................................ 7
1.5.2 Disclaimer ............................................................................................................................... 7
1.5.3 Product liability and warranty ................................................................................................ 8
1.5.4 Information concerning the documentation........................................................................... 8
1.5.5 Warnings and symbols used................................................................................................... 9
1.6 Safety instructions for the operator................................................................................. 9
2 Device description 10
2.1 Scope of delivery............................................................................................................. 10
2.2 Device description .......................................................................................................... 11
2.3 Nameplates .................................................................................................................... 13
2.3.1 Non-Ex nameplate ................................................................................................................ 13
2.3.2 Ex nameplate ........................................................................................................................ 13
3 Installation 14
3.1 Notes on installation ...................................................................................................... 14
3.2 Storage ........................................................................................................................... 14
3.3 Transport ........................................................................................................................ 15
3.4 Pre-installation requirements ....................................................................................... 15
3.5 Theoretical data for nozzle position............................................................................... 16
3.6 Installation recommendations for liquids...................................................................... 18
3.6.1 General requirements .......................................................................................................... 18
3.6.2 Installation in stilling wells................................................................................................... 19
3.6.3 Bypass chambers.................................................................................................................. 22
3.7 How to keep false reflections to a minimum ................................................................. 24
3.8 How to install the device on the tank ............................................................................. 25
3.8.1 How to install a device with a flange connection ................................................................. 25
3.8.2 How to install a device with a threaded connection ............................................................. 26
3.8.3 Field assembly ...................................................................................................................... 27
3.8.4 Antenna purging system (option for horn antenna) ............................................................. 28
4 Electrical connections 29
4.1 Safety instructions.......................................................................................................... 29
4.2 Electrical installation of output...................................................................................... 29
4.2.1 Electrical connection ............................................................................................................ 29
4.2.2 Non-Ex................................................................................................................................... 30
4.2.3 Ex i ......................................................................................................................................... 30
4.3 Protection category ........................................................................................................ 31
.book Page 3 Thursday, September 3, 2009 2:53 PM