Endress+Hauser Levelflex M FMP45 Operating Instructions Manual page 20

Installation
20
Supporting probes against warping
For WHG or Ex approval:
For probe lengths ≥ 3 m a support is required (see figure).
a. Rod probes
b. Coax probes
Probe length
The measuring range is directly dependent on the probe length.
It is better to order probes too long than too short since it is possible to shorten the probe if
necessary.
Levelflex M FMP45 with HART/4...20 mA
Ø 17...18 mm
Ø <26 mm
L00-FMP4xxxx-17-00-00-en-054
Probe rod
#
Sleeve bored tight
to ensure electrical contact
between the rod and sleeve!
Short metal pipe
e.g. welded in place
#
Ground the probe
when welding the sleeve!
L00-FMP4xxxx-17-00-00-en-055
Endress + Hauser