CONTENTS
INTRODUCTION............................................................................................................................................... 4
IShipping and storage; product inspection............................................................................................................................ 4
II Warranty......................................................................................................................................................................................... 4
III Validity of this operating manual ............................................................................................................................................ 4
IV Repairs and hazardous materials ........................................................................................................................................... 4
1. STEPS PRIOR TO OPERATION......................................................................................................... 5
1.1 Installation, mounting, commissioning and maintenance .............................................................................................. 5
1.2 Hazard warnings .......................................................................................................................................................................... 6
1.3 Proper use of the device............................................................................................................................................................ 6
2. IDENTIFICATION .................................................................................................................................. 7
3. GENERAL INFORMATION ABOUT EXPLOSION PROTECTION................................................. 8
4. CORIOLIS MASS FLOW METER ....................................................................................................... 9
4.1 Description of the TM, TME, TMU and TMR sensors ........................................................................................................ 9
4.2 Device identification.................................................................................................................................................................... 9
4.3 Mounting ......................................................................................................................................................................................10
4.3.1 Thermally insulated sensor.......................................................................................................................................10
4.3.2 Heated sensor...............................................................................................................................................................10
4.3.3 Connection sensor –transmitter............................................................................................................................10
4.3.3.1 Sensor Cable Pin Assignment .........................................................................................................................11
4.3.3.2 Cable Parameters ...............................................................................................................................................11
4.3.3.3 Equipotential bonding .......................................................................................................................................11
4.4 EC Type-Examination Certificate for the sensors............................................................................................................12
4.4.1 Sensor Parameters......................................................................................................................................................12
4.4.2 Ambient temperature range Ta ...............................................................................................................................13
4.4.2.1 Conditions for safe operation..........................................................................................................................14
4.5 Description of the UMC4 transmitter ..................................................................................................................................14
4.5.1 Device identification....................................................................................................................................................14
4.5.2 Ignition category of the transmitter.......................................................................................................................14
4.5.3 Connecting cables ........................................................................................................................................................15
4.5.3.1 Sensor circuits .....................................................................................................................................................15
4.5.3.2 Electrical connection of power and signal circuits....................................................................................15
4.5.3.3 Cable and conduit entries.................................................................................................................................16
4.5.3.4 Equipotential bonding .......................................................................................................................................16
4.5.4 Parameters for the UMC4 transmitter..................................................................................................................16
4.5.4.1 Power circuit (terminals L, N and PE)............................................................................................................16
4.5.4.2 Passive non-intrinsically safe circuits ..........................................................................................................16
4.5.4.3 Sensor circuits type of protection Ex ia II ....................................................................................................17
4.5.4.4 Signal output circuits with Ex ia II type of protection ..............................................................................18
