KROHNE H250 M9 ATEX II2G Ex i EN - Manual (Page 2)

CONTENTS
2 www.krohne.com 11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 en
H250 M9
1 Safety instructions 3
1.1 General notes ................................................................................................................... 3
1.2 EC conformity ................................................................................................................... 3
1.3 Security information......................................................................................................... 3
2 Device description 4
2.1 Device description ............................................................................................................ 4
2.2 Description code............................................................................................................... 4
2.3 Marking............................................................................................................................. 5
2.4 Flammable products ........................................................................................................ 6
2.5 Device category ................................................................................................................ 6
2.6 Types of protection ........................................................................................................... 6
2.7 Ambient temperature / temperature classes.................................................................. 7
2.8 Electrical data................................................................................................................. 11
3 Installation 12
3.1 Installation...................................................................................................................... 12
4 Electrical connections 13
4.1 General notes ................................................................................................................. 13
4.2 Power supply .................................................................................................................. 13
4.3 Inputs/outputs ................................................................................................................ 13
4.4 Earthing and equipotential bonding............................................................................... 13
5 Operation 14
5.1 Start-up........................................................................................................................... 14
5.2 Operation ........................................................................................................................ 14
6 Service 15
6.1 Maintenance ................................................................................................................... 15
6.2 Dismantling .................................................................................................................... 15
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