CONTENTS
2
www.krohne.com
05/2018 - 4005351602 - AD DK37/H250/M8 II2GD R02 en
DK37/M8 - H250/M8
1 Safety instructions
3
1.1 General notes ................................................................................................................... 3
1.2 EU conformity ................................................................................................................... 3
1.3 Approval according to the IECEx scheme ........................................................................ 3
1.4 Safety instructions............................................................................................................ 4
2 Device description
5
2.1 Device description ............................................................................................................ 5
2.2 Description code............................................................................................................... 6
2.3 Marking............................................................................................................................. 8
2.4 Flammable products ........................................................................................................ 9
2.5 Equipment category ......................................................................................................... 9
2.6 Types of protection ......................................................................................................... 10
2.7 Ambient temperature / temperature classes / product temperature .......................... 11
2.8 Surface temperature for equipment category II 2 D...................................................... 13
2.9 Electrical data................................................................................................................. 13
3 Installation
14
3.1 Mounting ......................................................................................................................... 14
3.2 Special conditions........................................................................................................... 14
4 Electrical connections
15
4.1 General notes ................................................................................................................. 15
4.2 Power supply .................................................................................................................. 16
4.3 Inputs/Outputs................................................................................................................ 16
4.4 Grounding and equipotential bonding............................................................................ 17
5 Operation
18
5.1 Start-up........................................................................................................................... 18
5.2 Operation ........................................................................................................................ 18
5.3 Electrostatic charge ....................................................................................................... 18
6 Service
19
6.1 Maintenance ................................................................................................................... 19
6.2 Dismantling .................................................................................................................... 19
