Endress+Hauser Micropilot FMR51 Technical Information page 106

Accessory Description
Horn protection for
80 mm (3 in) or
100 mm (4 in) horn
antenna
A
B
C
⌀d Diameter of horn protection (see table below)
⌀D Minimum nozzle diameter (see table below)
L
Horn protection for FMR51 with variable antenna extension
1)
Antenna Order code horn
protection
BC: Horn 80mm/3" 71105890
BD: Horn 100mm/4" 71105889
1) Feature 070 of the product structure
106
Horn protection for horn antenna with variable antenna extension
This section is valid for the following options of ordering feature 610 "Accdessory Mounted".
• OU: ...mm antenna extension
• OV: ... inch antenna extension
For any other device version: →  105
ød
øD
Antenna extension (not supplied with the horn protection)
Horn antenna of the Micropilot (not supplied with the horn protection)
Horn protection
Length of antenna with horn protection (see table below)
203 mm (8 in)
267 mm (10.5 in)
A
B
C
Dimensions antenna + horn protection
L
Micropilot FMR51, FMR52
Ød
96 mm (3.78 in)
116 mm (4.57 in)
A0027190
ØD
≥ DN100
≥ DN150
Endress+Hauser