Endress+Hauser Micropilot FMR51 Technical Information page 44

44
Suitable thickness of the tank ceiling:
Penetrated material
DK / ε
r
1)
Optimum thickness 3.8 mm (0.15 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.
A
9 0
°
Depending on the device version the marking may be a circle or two short parallel lines.
Nozzle mounting
 14 Nozzle height for horn antenna, flush mount (FMR52)
PE PTFE
2.3 2.1
4.0 mm (0.16 in)
B
°
9 0
9 0
°
Micropilot FMR51, FMR52
PP
2.3
3.8 mm (0.15 in) 3.3 mm (0.13 in)
°
9 0
9 0
°
9 0
°
Endress+Hauser
Perspex
3.1
A0018974
A0016819