Micropilot M FMR 240 with PROFIBUS PA
Mounting
E Hauser
15
Beam angle
The beam angle is defined as the angle a where the energy density of the radar waves
reaches half the value of the maximum energy density (3dB-width). Microwaves are also
emitted outside the signal beam and can be reflected off interfering installations. Beam
diameter
W
as function of antenna type (beam angle
α
) and measuring distance
D
:
Antenna size
(horn diameter)
FMR 240
L00-FMR2xxxx-14-00-06-de-027
40 mm / 1½"
50 mm / 2"
80 mm / 3"
100 mm / 4"
Beam angle
α
23°
18°
10°
8°
Measuring
distance (D)
Beam diameter (W)
40 mm / 1½"
50 mm / 2"
80 mm / 3"
100 mm / 4"
3 m / 10 ft
1.22 m /
4.07 ft
0.95 m /
3.17 ft
0.52 m /
1.75 ft
0.42 m /
1.40 ft
6 m / 20 ft
1.22 m /
4.07 ft
1.90 m /
6.34 ft
1.05 m /
3.50 ft
0.84 m /
2.80 ft
9 m / 30 ft
2.44 m /
8.14 ft
2.85 m /
9.50 ft
1.57 m /
5.25 ft
1.26 m /
4.20 ft
12 m / 40 ft
3.80 m /
12.67 ft
2.10 m /
7.00 ft
1.68 m /
5.59 ft
15 m / 49 ft
4.75 m /
15.52 ft
2.62 m /
8.57 ft
2.10 m /
6.85 ft
20 m / 65 ft
3.50 m /
11.37 ft
2.80 m /
9.09 ft
α
D
W
