User's Manual
Table Of Contents
DRAFT
Micropilot FMR53, FMR54
40 V. 1, Rev. 7, 26-10-2012 Endress+Hauser
Measurement from the outside through plastic walls
• If possible use the 250 mm (10 in) antenna.
• The distance between the lower edge of the antenna and the tank should be about 100 mm (4 in).
• If possible, avoid mounting location where condensation or build-up might occur.
• In case of outdoor mounting, the space between antenna and vessel has to be protected from the
elements.
• Do not mount any potential reflectors (e.g. pipes) outside the tank in the signal beam.
Suitable thickness of the tank ceiling
Penetrated material PE PTFE PP Plexiglas
DK / e
r
2.3 2.1 2.3 3.1
Optimum thickness 16 mm (0.65 in) 17 mm (0.68 in) 16 mm (0.65 in) 14 mm (0.56 in)