Table Of Contents - Siemens SITRANS LR250 Compact Operating Instructions

Table of contents

1 Introduction...................................................................................................................................................5
1.1 LR250 mA/HART manual usage..............................................................................................5
1.2 Technical publications..............................................................................................................5
1.3 Purpose of this documentation.................................................................................................5
1.4 Checking the consignment.......................................................................................................6
1.5 Security information.................................................................................................................6
1.6 Transportation and storage......................................................................................................7
1.7 Notes on warranty....................................................................................................................7
2 Safety information.........................................................................................................................................9
2.1 Preconditions for safe use........................................................................................................9
2.1.1 Safety marking symbols...........................................................................................................9
2.1.2 Laws and directives..................................................................................................................9
2.1.3 FCC Conformity.......................................................................................................................9
2.1.4 Industry Canada conformity...................................................................................................10
2.1.5 Conformity with European directives......................................................................................10
2.2 Improper device modifications...............................................................................................11
2.3 Requirements for special applications...................................................................................11
2.4 Use in hazardous areas.........................................................................................................12
3 Description..................................................................................................................................................13
3.1 SITRANS LR250 overview.....................................................................................................13
4 Installing/mounting......................................................................................................................................15
4.1 Basic safety information.........................................................................................................15
4.1.1 Unsuitable cables, cable glands and/or plugs........................................................................16
4.1.2 Pressure applications.............................................................................................................16
4.1.2.1 Pressure Equipment Directive, PED, 14/68/EU.....................................................................17
4.2 Installation location requirements...........................................................................................17
4.3 Proper mounting.....................................................................................................................18
4.3.1 Mounting location...................................................................................................................18
4.3.2 Nozzle design.........................................................................................................................19
4.3.3 Nozzle location.......................................................................................................................19
4.4 Installation instructions...........................................................................................................22
4.4.1 Threaded versions.................................................................................................................23
4.4.2 Flanged versions....................................................................................................................23
4.4.3 Hygienic versions...................................................................................................................25
4.5 Disassembly...........................................................................................................................26
LR250 (mA/HART)
Compact Operating Instructions, 06/2018, A5E33469191-AB
3