Mounting Instructions - Siemens SITRANS Probe LU Quick Start Manual

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.
The sound path should be:
• perpendicular to the
monitored surface
• clear of rough walls,
seams, rungs, or
other obstructions
• clear of the fill path
s.

Mounting instructions

Ideally, mount SITRANS Probe LU so that the face of the transducer is at least
Note:
300 mm (1 ft) above the highest anticipated level.
SITRANS Probe LU is available in three thread types: 2" NPT, 2" BSP , or 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.
Wiring
1
Power
WARNINGS:
DC terminals shall be supplied from an SELV
IEC-1010-1 Annex H.
All field wiring must have insulation suitable for rated voltages.
1.
Safety Extra Low Voltage
A5E32081626 SITRANS Probe LU (PROFIBUS PA) – QUICK START MANUAL
pipe
ladder
rung
seam
1
source in accordance with
Fill
10°
Page EN-5