Installation Instructions

Micropilot FMR20
16 Endress+Hauser
Installation
Installation conditions Installation types
B C D
A
A0030605
 9 Wall, ceiling or nozzle installation
A Wall or ceiling mount, adjustable
B Mounted at front thread
C Mounted at rear thread
D Ceiling installation with counter nut (included in delivery)
Caution!
• The sensor cables are not designed as supporting cables. Do not use as a suspension wire.
• In the free-field, a vertically downward orientation must be ensured at all times
Nozzle installation
The antenna should be just out of the nozzle for optimum measurement. The interior of the nozzle
must be smooth and may not contain any edges or welded joints. The edge of the nozzle should be
rounded if possible. The maximum nozzle length L depends on the nozzle diameter D. Please note
the specified limits for the diameter and length of the nozzle.
BA
L
D
L
D
L
D
L
D
A0028413
 10 FMR20 nozzle installation
A FMR20 80 mm (3 in) antenna
B FMR20 40 mm (1.5 in) antenna
80 mm (3 in) antenna,
inside nozzle
80 mm (3 in) antenna,
outside nozzle
40 mm (1.5 in)
antenna, outside nozzle
40 mm (1.5 in) antenna,
inside nozzle
D min. 120 mm (4.72 in) min. 80 mm (3 in) min. 40 mm (1.5 in) min. 80 mm (3 in)
L max. 205 mm (8.07 in)
+ D × 4,5
max. D × 4,5 max. D × 1,5 max. 140 mm (5.5 in) +
D × 1,5