Siemens sitrans PROBE LU Operating Instructions

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Table of Contents
Table of Contents
Table of Contents .................................................................................................................i
Safety Notes ..................................................................................................................1
Safety marking symbols ..............................................................................................................1
The Manual ...............................................................................................................................................1
Application Examples ...................................................................................................................2
Abbreviations and Identifications .............................................................................................2
SITRANS Probe LU (Ultrasonic) .......................................................................................4
Applications ....................................................................................................................................4
Level, volume or flow ................................................................................................................. 4
SITRANS Probe LU System Implementation ..........................................................................5
Programming ..................................................................................................................................5
SITRANS Probe LU Approvals and Certificates ....................................................................5
Specifications ......................................................................................................................7
SITRANS Probe LU............................................................................................................................... 7
Power............................................................................................................................................. 7
Performance................................................................................................................................. 7
Interface ........................................................................................................................................ 8
Programmer (infrared keypad) ................................................................................................ 8
Mechanical................................................................................................................................... 8
Environmental .............................................................................................................................. 9
Process.......................................................................................................................................... 9
Approvals (verify against device nameplate)..................................................................... 10
Installation ......................................................................................................................... 11
Mounting Instructions ..........................................................................................................................12
SITRANS Probe LU Dimensions ..............................................................................................13
Flange Adaptor (optional) ..........................................................................................................13
Wiring .................................................................................................................................. 15
Power .............................................................................................................................................15
Connecting the SITRANS Probe LU ......................................................................................15
Operating the SITRANS Probe LU .................................................................................. 17
RUN Mode ..............................................................................................................................................17
Display ......................................................................................................................................... 17
PROGRAM Mode ..................................................................................................................................18
Programming ................................................................................................................................18
Display ......................................................................................................................................... 18

Siemens sitrans PROBE LU Specifications

General

Measuring Principle	Ultrasonic
Communication	HART
Output	4 to 20 mA
Power Supply	12 to 30 V DC
Process Temperature	-40 to 80 °C
Enclosure Rating	IP68
Material	PVDF
Ambient Temperature	-40 to 70 °C
Measurement Range	0.25 to 12 m (0.8 to 39 ft)