Table of contents
SITRANS LR250 with mA/HART
6 Operating Instructions, 10/2019, A5E32220602-AG
9.1 Basic safety information ...................................................................................................161
9.2 Cleaning ...........................................................................................................................161
9.3 Maintenance and repair work............................................................................................162
9.3.1 Unit repair and excluded liability .......................................................................................163
9.3.2 Part replacement ..............................................................................................................163
9.4 Disposal ...........................................................................................................................165
9.5 Return procedure .............................................................................................................165
10 Diagnosing and troubleshooting ................................................................................................... 167
10.1 Communication troubleshooting .......................................................................................167
10.2 Device status icons ..........................................................................................................167
10.3 General fault codes ..........................................................................................................169
10.4 Operation troubleshooting ................................................................................................172
11 Technical data ........................................................................................................................... 175
11.1 Power ..............................................................................................................................175
11.2 Performance ....................................................................................................................175
11.3 Interface ...........................................................................................................................177
11.4 Mechanical .......................................................................................................................177
11.5 Environmental ..................................................................................................................179
11.6 Process ............................................................................................................................180
11.7 Approvals .........................................................................................................................180
11.8 Programmer (infrared keypad) ..........................................................................................182
12 Dimension drawings ................................................................................................................... 183
12.1 Universal polymeric flange................................................................................................183
12.2 Aluminum horn antenna ...................................................................................................185
12.3 Mounting bracket ..............................................................................................................186
12.4 Aluminum horn with polypropylene lens antenna and polymeric flange .............................188
12.5 Stainless steel threaded horn antenna ..............................................................................189
12.6 Stainless steel threaded horn antenna with extension .......................................................192
12.7 Stainless steel flanged horn antenna ................................................................................194
12.8 Stainless steel flanged horn antenna with extension .........................................................196
12.9 PTFE Flanged encapsulated antenna (2"/DN50/50A sizes only) .......................................198
12.10 PTFE Flanged encapsulated antenna (3"/DN80/80A sizes and larger) ..............................200
12.11 Hygienic encapsulated antenna (2" ISO 2852 sanitary clamp) ..........................................202
12.12 Hygienic encapsulated antenna (3" ISO 2852 sanitary clamp) ..........................................203
12.13 Hygienic encapsulated antenna (4" ISO 2852 sanitary clamp) ..........................................204
12.14 Hygienic encapsulated antenna (DN50 nozzle/slotted nut to DIN 11851) ..........................205
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