Siemens Sitrans Probe LU Guide Rapide page 16

9. It is the responsibility of the user to ensure that manual override is possible in order to
shut down the equipment and protective systems incorporated within automatic
processes which deviate from the intended operating conditions, provided that this does
not compromise safety.
10. The 'X' suffix to the certificate number relates to the following special conditions for safe
use:
Parts of the enclosure may be non-conducting and may generate an ignition-
capable level of electrostatic charge under certain extreme conditions. The
user should ensure that the equipment is not installed in a location where it
may be subjected to external conditions (such as high-pressure steam) which
might cause a build-up of electrostatic charge on non-conducting surfaces.
11. If the equipment is likely to come into contact with aggressive substances, then it is the
responsibility of the user to take suitable precautions that prevent it from being adversely
affected, thus ensuring that the type of protection is not compromised.
Aggressive substances:e.g. acidic liquids or gases that may attack metals, or
Suitable precautions:
12. Equipment Marking:
The equipment marking contains at least the information on the product nameplate,
shown on the inside front cover of this manual.
Page EN-14 SITRANS Probe LU (HART) – QUICK START MANUAL
solvents that may affect polymeric materials.
e.g. regular checks as part of routine inspections or
establishing from the material's data sheet that it is
resistant to specific chemicals.
7ML19985QR81