Siemens sitrans PROBE LU User Manual

Page 12 SITRANS Probe LU (PROFIBUS PA) – INSTRUCTION MANUAL 7ML19985JB02
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Installation
Precautions:
• Avoid proximity to high voltage or current wiring, high voltage or current contacts,
and to variable frequency motor speed controllers.
• Avoid interference to the sound path from obstructions or from the fill path
Mounting Instructions
SITRANS Probe LU is available in three thread types:
•2" NPT
•2" BSP
• PF2/G (BS EN ISO 228-1)
1. Before inserting SITRANS Probe LU into its mounting connection, ensure that the
threads are of the same type to avoid damaging them.
2. Simply screw SITRANS Probe LU into the process connection and hand tighten.
Note:
• Ideally, mount SITRANS Probe LU so that the face of the transducer is at least 300
mm (1 ft) above the highest anticipated level.
seam
ladder
rungs
pipe
Fill
The sound path should be:
• perpendicular to the
monitored surface
• clear of rough walls,
seams, rungs, or
other obstructions
• clear of the fill path
10 °

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)