Mounting Location - Siemens SITRANS LR 200 Guía Rápida

Mounting location

Recommendations
• Easy access for viewing the display and programming via the hand programmer.
• An environment suitable to the housing rating and materials of construction.
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 emission cone from obstructions or from the fill path.
• Avoid central locations on vessels.
Coni
Conical
preferred
• Locate the antenna away from the side wall, to
avoid interference from indirect echoes.
• Avoid interference from objects such as ladders
or pipes, which can cause false reflections.
• Avoid interference from the fill path.
s.
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.
Page EN-4 SITRANS LR 200 – QUICK START MANUAL
Fl at
Flat Parabolic
undesirable
minimum
100 mm (4")
min. 300 mm (1 ft.) for every
3 m (10 ft.) of vessel height
beam
angle
o
20
minimum
10 mm (0.4")
7ML19985QL81