Micropilot FMR51, FMR52
42 Endress+Hauser
90°
90°
90°
90°
90°
90°
90°
90°
90°
90°
A
B
A0018974
Depending on the device version the marking may be a circle or two short parallel lines.
Nozzle mounting
For optimum measurement, the tip of the antenna should extend below the nozzle. Depending on
the antenna size this is achieved by the following maximum nozzle heights:
A0016820
13 Nozzle height for horn antenna (FMR51)
Antenna
1)
Maximum nozzle height H
max
BA: Horn 40mm/1-1/2" 86 mm (3.39 in)
BB: Horn 50mm/2" 115 mm (4.53 in)
BC: Horn 80mm/3" 211 mm (8.31 in)
BD Horn 100mm/4" 282 mm (11.1 in)
1) Feature 070 of the product structure
Conditions for longer nozzles
If the medium has good reflective properties, higher nozzles can be accepted. In this case the
maximum nozzle height, H
max
, is dependent on the nozzle diameter, D:
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