Table of contents
1
Introduction ........................................................................................................................................... 9
1.1
LR250 FF manual usage ....................................................................................................... 9
1.2
1.3
Revision history ................................................................................................................... 9
1.4
Industrial use note ............................................................................................................. 10
1.5
Checking the consignment ................................................................................................. 10
1.6
Security information .......................................................................................................... 10
1.7
1.8
Notes on warranty ............................................................................................................. 11
2
Safety information ............................................................................................................................... 12
2.1
2.1.1
Safety marking symbols ..................................................................................................... 12
2.1.2
Laws and directives ............................................................................................................ 12
2.1.3
FCC Conformity ................................................................................................................. 13
2.1.4
2.1.5
2.1.6
2.1.7
2.1.8
2.1.9
2.2
2.3
2.4
Use in hazardous areas ...................................................................................................... 17
3
Description ........................................................................................................................................... 18
3.1
SITRANS LR250 overview ................................................................................................... 18
3.2
Programming..................................................................................................................... 19
3.3
Applications ....................................................................................................................... 19
3.4
4
Installing/mounting ............................................................................................................................. 21
4.1
Basic safety information ..................................................................................................... 21
4.1.1
4.1.2
Pressure applications ......................................................................................................... 22
4.1.2.1
4.2
4.3
Proper mounting ............................................................................................................... 25
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH
3