
OPERATING MANUAL FOR
HPC EXPLOSION-PROOF FLOW METERS
CONTENTS
INTRODUCTION.............................................................................................................3
1STEPS PRIOR TO OPERATION ..............................................................................4
1.1 Installation, mounting, commissioning and maintenance................................................ 4
1.2 Hazard warnings............................................................................................................ 4
1.2.1 Danger .................................................................................................................... 5
1.2.2 Warning................................................................................................................... 5
1.2.3 Caution.................................................................................................................... 5
1.2.4 Note......................................................................................................................... 5
1.3 Proper use of the device................................................................................................ 5
2IDENTIFICATION......................................................................................................6
2.1 Version / date................................................................................................................. 6
3SPECIFICATIONS.....................................................................................................7
3.1 Description of the HPC Mass-Flow Sensor .................................................................... 7
3.2 Device identification....................................................................................................... 7
3.2.1 HPC rating plates .................................................................................................... 7
3.3 Mounting and Installation............................................................................................... 8
3.3.1 Thermally insulated sensor...................................................................................... 8
3.3.2 Heated sensor......................................................................................................... 8
3.3.3 Connection sensor –transmitter.............................................................................. 8
3.4 EC Type-Examination...................................................................................................10
3.4.1 Sensor Parameters.................................................................................................10
3.4.2 Ambient temperature range Ta...............................................................................11
3.5 Connecting the sensor to a transmitter .........................................................................11
3.5.1 Connecting cables..................................................................................................11
3.5.2 Equipotential bonding.............................................................................................11
4INSTALLATION AND COMMISSIONING................................................................12
4.1 Mounting.......................................................................................................................12
4.2 General conditions for safe operation ...........................................................................12
4.3 Requirements for installation in all environments..........................................................12
4.4 Requirements for installation dust environments...........................................................13
4.5 Ex relevant screw and bolt torques ...............................................................................13
5MAINTENANCE AND REPAIR WORK ...................................................................14
5.1 Definition of terms according to IEC 60079-17:.............................................................14
5.2 Fault elimination............................................................................................................15
5.3 Disposal........................................................................................................................15
6MODEL CODE.........................................................................................................16
7RELEVANT STANDARDS FOR HAZARDOUS LOCATIONS.................................17
7.1 ATEX............................................................................................................................17
7.2 IECEx............................................................................................................................17
8DECLARATION OF CONFORMITY........................................................................18