Micropilot FMR51, FMR52
Endress+Hauser 47
Installation in bypass
A0019446
16 Installation in bypass
1 Marking for antenna alignment
2 Tank connectors
• Alighn the marker perpendicular (90°) to the tank connectors.
• Measurements can be performed through an open full bore ball valve without any problems.
• After mounting, the housing can be turned 350° in order to simplify access to the display and the
terminal compartment.
Recommendations for the bypass pipe
• Metal (no plastic or enamel coating).
• Constant diameter.
• Select horn antenna as big as possible. For intermediate sizes (e.g. 95 mm (3.5 in)) select next
larger antenna and adapt it mechanically (for horn antennas).
• Diameter difference between horn antenna and inner diameter of the bypass as small as possible.
• At any transition (i.e. when using a ball valve or mending pipe segments), no gap may be created
exceeding 1 mm (0.04 in).
•
In the area of the tank connections (~ ±20 cm (7.87 in)) a reduced accuracy of the measurement
has to be expected.
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