Endress+Hauser FOUNDATION Fieldbus Levelflex FMP50, Brief Operating Instructions

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Mounting Levelflex FMP50 FOUNDATION Fieldbus
10 Hauser
• The end of the rope probe must be secured (fixed down) under the following conditions:
If the probe would otherwise temporarily come into contact with the vessel wall, the cone,
internal fittings/beams or another part of the installation
• A female thread is provided in the probe weight to secure the end of the probe:
Rope 4 mm (1/6"), 316: M 14
• When fixed down, the end of the probe must be either reliably grounded or reliably
insulated. Use an insulated fastening kit if it is not otherwise possible to secure the probe
with a reliably insulated connection.
Securing rod probes
• In the case of WHG approval: a support is required for probe lengths ≥ 3 m (10 ft).
• In general, rod probes must be secured in the event of horizontal flow (e.g. from an
agitator) or strong vibrations.
• Only secure rod probes directly at the end of the probe.
mm (in)
ø a
ø b
»
50(1.97)
1
2
3
A0014127
1 Probe rod
2 Sleeve with narrow bore to ensure electrical contact between the sleeve and the rod.
3 Short metal pipe, e.g. welded in place
Probe Ø 8 mm (0.31 in)
• a < Ø 14 mm (0.55 in)
• b = Ø 8.5 mm (0.34 in)