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Endress+Hauser Levelflex FMP51 - Basic Safety Instructions; Personnel, Designated Use, and Workplace Safety

Endress+Hauser Levelflex FMP51
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Mounting Levelflex FMP51, FMP52, FMP54 PROFIBUS PA
14 Endress+Hauser
6.1.2 Securing the probe
Securing rope probes
1
A
C
B
2
A0012609
A Sag of the rope: ≥ 1 cm per 1m of the probe length (0.12 inch per 1 ft of the probe length)
B Reliably grounded end of probe
C Reliably isolated end of probe
1: Mounting and contact with a bolt
2 Mounting kit isolated
The end of the probe needs to be secured under the following conditions:
if otherwise the probe sporadically comes into contact with the wall of the vessel, the outlet
cone, internal fittings or other parts of the installation.
The end of probe can be secured at its internal thread
rope 4 mm (1/6"), 316: M 14
The fixing must be either reliably grounded or reliably insulated. If it is not possible to
mount the probe weight with a reliably insulated connection, it can be secured using an
isolated eyelet, which is available as an accessory.
In order to prevent an extremely high tensile load (e.g. due to thermal expansion) and the
risk of rope crack, the rope has to be slack. Make the rope longer than the required
measuring range such that there is a sag in the middle of the rope that is ≥ 1cm/(1 m rope
length) [0.12 inch/(1 ft rope length)].

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