Endress+Hauser HART Micropilot FMR62B Information Technique page 26

26
 7 Relation entre l' a ngle d' é mission α, la distance D et la largeur de faisceau W
Le diamètre de la largeur de faisceau W dépend de l' a ngle d' é mission α et de la distance D.
Antenne cornet 65 mm (2,56 in), α 4 °
W = D × 0,07
α
W
Antenne drip-off, PTFE 50 mm (2 in), α = 6 °
W = D × 0,10
α
W
W 2
=
α
W
D
5 m (16 ft)
10 m (33 ft)
15 m (49 ft)
20 m (66 ft)
25 m (82 ft)
30 m (98 ft)
35 m (115 ft)
40 m (131 ft)
45 m (148 ft)
50 m (164 ft)
80 m (262 ft)
100 m (328 ft)
125 m (410 ft)
D
5 m (16 ft)
10 m (33 ft)
15 m (49 ft)
20 m (66 ft)
25 m (82 ft)
30 m (98 ft)
35 m (115 ft)
40 m (131 ft)
45 m (148 ft)
50 m (164 ft)
Micropilot FMR62B HART
α
_
D tan
. .
2
W
0,35 m (1,15 ft)
0,70 m (2,30 ft)
1,05 m (3,45 ft)
1,40 m (4,59 ft)
1,75 m (5,74 ft)
2,10 m (6,89 ft)
2,45 m (8,04 ft)
2,80 m (9,19 ft)
3,15 m (10,33 ft)
3,50 m (11,48 ft)
5,60 m (18,37 ft)
7,00 m (23,00 ft)
8,75 m (28,71 ft)
W
0,52 m (1,70 ft)
1,04 m (3,41 ft)
1,56 m (5,12 ft)
2,08 m (6,82 ft)
2,60 m (8,53 ft)
3,12 m (10,24 ft)
3,64 m (11,94 ft)
4,16 m (13,65 ft)
4,68 m (15,35 ft)
5,20 m (17,06 ft)
Endress+Hauser
A0031824