Siemens SITRANS LR200 Kurzanleitung Seite 12

8. Components to be incorporated into or used as replacements in the equipment shall be
fitted by suitably trained personnel in accordance with the manufacturer's
documentation.
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:
a. 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.
b. As either Aluminum, Magnesium, Titanium or Zirconium may be used at the
accessible surface of the equipment. In the event of rare incidents, ignition sources
due to impact and friction sparks could occur. This shall be considered when the
SITRANS LR200 is being installed in locations that specifically require group II,
category 1G equipment.
11. The certification of this equipment relies upon the following materials used in its
construction:
Aluminum alloy ANSI ref. A380.0 (aluminum enclosure option)
Valox 365 (injection moulded plastic enclosure option)
Ultem 1010 (window on plastic enclosure option)
Stycast 2651-40FR encapsulant, catalyst II
The detailed composition of Aluminum A380.0 as used in the metal enclosure (threaded
lid option only) is as follows:
Si – 8.5%, Fe – 1.3%, Cu – 3.5%, Mn – 0.5%, Mg – 0.1%, Ni – 0.1%, Zn – 3%,
Sn – 0.35%, others – 0.5%, Al - balance
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: e.g. regular checks as part of routine inspections or
7ML19985QL83
solvents that may affect polymeric materials.
establishing from the material's data sheet that it is resistant
to specific chemicals.
SITRANS LR200 (HART) – QUICK START MANUAL
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