Table of contents Proline t-mass A 150
2 Endress+Hauser
Table of contents
Document information ........................ 3
Document conventions ........................... 3
Function and system design .................... 4
Measuring principle ............................. 4
Measuring system .............................. 4
Characteristic values ......................... 5
Measured variable .............................. 5
Measuring range ............................... 5
Operable flow range ............................. 6
Output .................................... 6
Output signal ................................. 6
Signal on alarm ................................ 7
Low flow cut off ............................... 8
Galvanic isolation .............................. 8
Protocol-specific data ............................ 8
Power supply .............................. 9
Terminal assignment ............................ 9
Power consumption ............................. 9
Current consumption ........................... 10
Power supply failure ............................ 10
Electrical connection ........................... 10
Potential equalization ........................... 11
Terminals .................................. 11
Cable entries ................................ 11
Cable specification ............................. 12
Performance characteristics ................... 12
Reference operating conditions ..................... 12
Maximum measured error ........................ 12
Repeatability ................................ 13
Response time ............................... 13
Influence of medium pressure ...................... 13
Installation ............................... 14
Mounting location ............................. 14
Orientation ................................. 14
Requirement for pipework ........................ 14
Inlet and outlet runs ............................ 15
Environment .............................. 17
Ambient temperature range ....................... 17
Storage temperature ............................ 17
Degree of protection ............................ 17
Shock resistance .............................. 17
Vibration resistance ............................ 17
Electromagnetic compatibility (EMC) ................. 17
Process .................................. 17
Medium temperature range ....................... 17
Pressure-temperature ratings ...................... 17
Flow limit .................................. 19
Pressure loss ................................ 19
System pressure .............................. 20
Thermal insulation ............................. 20
Mechanical construction ..................... 20
Design, dimensions ............................ 20
Weight .................................... 25
Materials ................................... 26
Process connections ............................ 27
Operability ............................... 27
Operating concept ............................. 27
Local operation ............................... 28
Remote operation ............................. 28
Languages .................................. 29
Certificates and approvals .................... 29
CE mark ................................... 29
C-Tick symbol ............................... 29
Ex approval ................................. 29
Pressure Equipment Directive ...................... 29
Other standards and guidelines ..................... 30
Ordering information ........................ 30
Application packages ........................ 30
Accessories ............................... 30
Device-specific accessories ........................ 30
Communication-specific accessories .................. 30
Service-specific accessories ........................ 31
System components ............................ 32
Documentation ............................ 32
Standard documentation ......................... 32
Supplementary device-dependent documentation .......... 32
Registered trademarks ....................... 32