Endress+Hauser Micropilot FMR51 - Page 44

Micropilot FMR51, FMR52
44 Endress+Hauser
Suitable thickness of the tank ceiling:
Penetrated material PE PTFE PP Perspex
DK / ε
r
2.3 2.1 2.3 3.1
Optimum thickness
1)
3.8 mm (0.15 in) 4.0 mm (0.16 in) 3.8 mm (0.15 in) 3.3 mm (0.13 in)
1) Other possible values for the thickness are multiples of the values listed (e.g. for PE: 7,6 mm (0.3 in), 11,4
mm (0.45 in)
Horn antenna, flush mount (FMR52)
Alignment
• Align the antenna vertically to the product surface.
The maximum range may be reduced if the horn antenna is not vertically aligned.
• A marking at the flange (somwhere between the flange holes) or the boss enables alignment of
the antenna. This marking must be aligned towards the tank wall as well as possible.
90°
90°
90°
90°
90°
90°
90°
90°
90°
90°
A
B
A0018974
Depending on the device version the marking may be a circle or two short parallel lines.
Nozzle mounting
H
max
A0016819
 14 Nozzle height for horn antenna, flush mount (FMR52)