Mounting Instructions - Siemens SITRANS Probe LR Manuel D'utilisation

Mounting on a manhole cover
To provide optimum signal conditions on a manhole cover, locate the antenna off-center
relative to the cover, typically 100 mm (4") from the side of the manhole.
• Use the 100 mm (4") shield on nozzles that are 100 mm (4") in length, or shorter.
• Use the 250 mm (10") shield on nozzles that are 250 mm (10") in length, or shorter.

Mounting instructions

• Before inserting SITRANS Probe LR into its mounting connection, check to ensure the
threads are matching to avoid damaging them.
• Simply screw SITRANS Probe LR into the process connection, and hand tighten.
• For pressure applications, it will be necessary to use PTFE tape (or other appropriate
thread-sealing compound) and tighten the process connection beyond hand-tight.
The maximum torque is 40 N-m (30 ft-lbs).
• To rotate the enclosure, use a 2 mm Allen key to loosen the three set-screws that secure
the locking collar. Once the enclosure is positioned as desired, tighten the set-screws.
Wiring
1
Power
WARNINGS:
DC terminals shall be supplied from an SELV
1010-1 Annex H.
All field wiring must have insulation suitable for rated voltages.
1.
Safety Extra Low Voltage
7ML19985QP81
minimum
100 mm (4")
SITRANS Probe LR – QUICK START MANUAL
Mounting on a nozzle
minimum
10 mm (0.4")
1
source in accordance with IEC-
Page EN-5