Honeywell RM640 Handbook page 31

RM640
Beam radius of the antenna
Antenna type
Metallic Horn, DN80 (3¨)
Metallic Horn, DN100 (4¨)
Metallic Horn, DN150 (6¨)
Metallic Horn, DN200 (8¨)
PTFE Drop, DN80 (3¨)
PTFE Drop, DN100 (4¨)
PTFE Drop, DN150 (6¨)
PP Drop DN80 (3¨)
PP Drop, DN100 (4¨)
PP Drop, DN150 (6¨)
Product inlets
Figure 3-9: Product inlets
1 The device is in the correct position.
2 The device is too near to the product inlet.
CAUTION!
Do not put the device near to the product inlet. If the product that enters the silo touches the
antenna, the device will measure incorrectly. If the product fills the silo directly below the
antenna, the device will also measure incorrectly.
INFORMATION!
For more data about the measuring range of each type of antenna, refer to Measuring accuracy
on page 137
34-VF-25-131 iss.1 GLO Feb 2019 US
Beam angle
.
9°
8°
6°
5°
8°
7°
4°
9°
7°
5°
www.honeywellprocess.com
INSTALLATION
Beam radius, x
[mm/m]
79
70
53
44
70
61
35
79
61
44
3
[in/ft]
0.9
0.8
0.6
0.5
0.8
0.7
0.4
0.9
0.7
0.5
31