Endress+Hauser Levelflex FMP50 PROFIBUS PA Operating Instructions Manual page 30

Mounting
30
Securing rod probes
• For WHG approvals: For probe lengths ≥ 3 m (10 ft) a support is required.
• In general, 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.
1 Probe rod
2 Sleeve bored tight to ensure electrical contact between the rod and sleeve!
3 Short metal pipe, e.g. welded in place
 probe
8 mm (1/3")
NOTICE
Poor grounding of the end of probe may cause measuring errors.
‣
Apply a narrow sleeve which has good electrical contact to the probe.
NOTICE
Welding may damage the main electronics module.
‣
Before welding: Ground the probe and dismount electronics.
 a [mm (inch)]
< 14 (0.55)
Levelflex FMP50 PROFIBUS PA
ø a
ø b
1
2
3
mm (in)
 b [mm (inch)]
8.5 (0.34)
Endress+Hauser
A0014127