Endress+Hauser PROline prosonic flow 93 Operating Instructions Manual page 51

PROline Prosonic Flow 93
Endress+Hauser
Flowrate measuring sensors P and W (Clamp on / Insertion)
The flowrate measuring sensors P and W as well as the sound velocity measuring sen-
sors DDU 18 fulfill all the requirements for IP 67 or 68 degree of protection (please
observe the informations on the nameplate of the sensor). Compliance with the following
points is mandatory following installation in the field or servicing, in order to ensure that
IP 67/68 protection is maintained:
• Only use cables supplied by E+H with the corresponding sensor connectors.
• The cable connector seals (1) must be clean, dry and undamaged when inserted in
the seal groove. Replace them if necessary.
• Insert the cable connectors, do not cant and then tighten them to the stop.
Fig. 51: Installation instructions for IP 67/68 degree of protection for sensor connectors
Flowrate measuring sensors U(Clamp on)
The flowrate measuring sensors U fulfill all the requirements for IP 52 degree of protec-
tion. Compliance with the following points is mandatory following installation in the field
or servicing, in order to ensure that IP 52 protection is maintained:
• Only use cables supplied by E+H with the corresponding sensor connectors.
• The BNC cable connectors (1) must be clean, dry and undamaged.
• Insert the BNC cable connectors (1), do not cant and then tighten them to the stop.
Abb. 52: nstallation instructions for IP 52 degree of protection for BNC sensor connectors
1
1
4 Wiring
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