Degree Of Protection - Endress+Hauser Proline Prosonic Flow 93C Operating Instructions Manual

Proline Prosonic Flow 93C FOUNDATION Fieldbus
Endress+Hauser
4.4

Degree of protection

Transmitter (wall-mount housing)
The transmitter fulfills all the requirements for IP 67.
"
Caution!
The screws on the sensor housing should not be opened as to do so would invalidate the degree of
protection guaranteed by Endress+Hauser.
Compliance with the following points is mandatory following installation in the field or servicing,
in order to ensure that IP 67 protection is maintained:
• The housing seals must be clean and undamaged when inserted into their grooves. The seals must
be dried, cleaned or replaced if necessary.
• All the threaded fasteners and screw covers must be firmly tightened.
• The cables used for connection must be of the specified outside diameter → ä 29.
• Securely tighten the cable entries → ä 33.
• Remove all unused cable entries and insert plugs instead.
• Do not remove the grommet from the cable entry.
Fig. 21: Installation instructions for cable entries on the transmitter housing
Wiring
A0001138
33