Heinrichs Messtechnik GmbH
Page 2 of 20
EX-Supplementary Operating Manual
HPC Mass Flow Meter
CONTENTS
INTRODUCTION ............................................................................................................................................... 3
1
STEPS PRIOR TO OPERATION ............................................................................................................. 4
1.1
Installation, mounting, commissioning and maintenance ........................................................................................4
1.1
Hazard warnings ...................................................................................................................................................................5
1.2
Proper use of the device .....................................................................................................................................................5
2
IDENTIFICATION ...................................................................................................................................... 6
3
GENERAL INFORMATION ABOUT EXPLOSION PROTECTION ..................................................... 7
4
SPECIFICATIONS ...................................................................................................................................... 8
4.1
Description of the HPC Mass-Flow Sensor ...................................................................................................................8
4.2
Device identification .............................................................................................................................................................8
4.3
Mounting and Installation ..................................................................................................................................................9
4.3.1
Thermally insulated sensor ......................................................................................................................................9
4.3.2
Heated sensor ..............................................................................................................................................................9
4.3.3
Connection sensor – transmitter ............................................................................................................................9
4.4
EC Type-Examination ....................................................................................................................................................... 11
4.4.1
Sensor Parameters .................................................................................................................................................. 11
4.4.2
Ambient temperature range Ta ............................................................................................................................ 12
5
INSTALLATION AND COMMISSIONING ...........................................................................................13
5.1
Mounting .............................................................................................................................................................................. 13
5.2
General conditions for safe operation ......................................................................................................................... 13
5.3
Requirements for installation in all environments................................................................................................... 13
5.4
Requirements for installation dust environments ................................................................................................... 14
5.5
Ex relevant screw and bolt torques .............................................................................................................................. 14
6
MAINTENANCE AND REPAIR WORK ...............................................................................................15
6.1
Definition of terms according to IEC 60079-17: ....................................................................................................... 15
6.2
Fault elimination ................................................................................................................................................................. 16
6.3
Disposal................................................................................................................................................................................. 16
7
WARNINGS ..............................................................................................................................................16
8
MODEL CODE .........................................................................................................................................17
9
DECLARATION OF CONFORMITY ......................................................................................................18
