Owner manual

CONTENTS

www.krohne.com 06/2013 - 4002868601 MA H250-M40-NEPSI-Ex-d-R01-AD-

H250 M40

1 Safety instructions 3

1.1 General notes ................................................................................................................... 3

1.2 NEPSI conformity ............................................................................................................. 3

1.3 Security information......................................................................................................... 3

2 Device description 4

2.1 Description of device ........................................................................................................ 4

2.2 Description code............................................................................................................... 4

2.3 Marking............................................................................................................................. 5

2.4 Flammable products ........................................................................................................ 6

2.5 Device category ................................................................................................................ 6

2.6 Protection types................................................................................................................ 7

2.7 Ambient temperature / temperature classes.................................................................. 8

2.8 Electrical data................................................................................................................. 11

3 Installation 12

3.1 Installation...................................................................................................................... 12

3.2 Special conditions........................................................................................................... 12

4 Electrical connections 13

4.1 General notes ................................................................................................................. 13

4.2 Power supply .................................................................................................................. 14

4.3 Inputs/outputs ................................................................................................................ 14

4.4 Grounding and equipotential bonding............................................................................ 15

5 Operation 16

5.1 Start up ........................................................................................................................... 16

5.2 Operation ........................................................................................................................ 16

5.3 Electrostatic charge .......................................................................................................16

6 Service 17

6.1 Maintenance ................................................................................................................... 17

6.2 Dismantling .................................................................................................................... 17

7 Attachment 19

8 Notes 23

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