Endress+Hauser HART Levelflex FMP51 Brief Operating Instructions page 16

Mounting
Rod extension/centering HMP40 for FMP54
For FMP54 with rope probes the rod extension/centering HMP 40 is available as an accessory .
It has to be used if otherwise the probe rope comes into contact with the lower edge of the
nozzle.
This accessory consists of the extension rod corresponding to the nozzle height, on which
a centering disk is also mounted if the nozzles are narrow or when working in bulk solids.
This component is delivered separately from the device. Please order the probe length
correspondingly shorter.
Only use centering disks with small diameters (DN40 and DN50) if there is no significant
build-up in the nozzle above the disk. The nozzle must not become clogged by the product.
Rod extension/centering HMP40 for FMP57
For FMP57 with rope probes the rod extension/centering HMP 40 is available as an accessory .
It has to be used if otherwise the probe rope comes into contact with the lower edge of the
nozzle.
This accessory consists of the extension rod corresponding to the nozzle height, on which
a centering disk is also mounted if the nozzles are narrow or when working in bulk solids.
This component is delivered separately from the device. Please order the probe length
correspondingly shorter.
Only use centering disks with small diameters (DN40 and DN50) if there is no significant
build-up in the nozzle above the disk. The nozzle must not become clogged by the product.
6.2.2 Securing rod probes
• Rod probes must be supported if there is a horizontal flow (e.g. from an agitator) or in the case
of strong vibrations.
• Rod probes may only be supported at the end of the probe.
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Levelflex FMP51, FMP52, FMP54
Endress+Hauser