Endress+Hauser dosimass, Руководство по эксплуатации

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Wiring Dosimass
16 Hauser
4.1.5 Ground connection
The ground connection is established via a cable lug.
A0007235
Fig. 13: Dosimass ground connection
4.1.6 Cable specification
Every suitable cable with a temperature specification at least 20 °C (68 °F) higher than the ambient
temperature in the application. We recommend you use a cable with a temperature specification of
+80 °C (+176 F).
4.2 Potential equalization
No special measures are necessary for potential equalization.
!
Note!
For devices for the Ex area, see the notes in the Ex-specific supplement to these Operating
Instructions.
4.3 Degree of protection
The devices fulfill all the requirements for IP 67.
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 threaded fasteners and screw covers must be firmly tightened.