Siemens SITRANS WS300 Operating Instructions Manual page 22

Installing/mounting
3.8 Hazardous area installations
8. Installation and inspection of this equipment shall be carried out by suitably trained
personnel in accordance with the applicable code of practice.
9. Repair of this equipment shall be carried out by suitably trained personnel in accordance
with the applicable code of practice.
10. 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.
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: for example, acidic liquids or gases that may attack metals or
– Suitable precautions: for example, regular checks as part of routine inspections or
12. Product marking shall include the warning: Do not open when an explosive dust
atmosphere is present.
Special Conditions for Safe Use
The 'X' suffix to the certificate number relates to the following special condition(s) for safe
use:
● Cable or conduit entries shall comply with the requirements of the European Directive
94/9/EC for Group II, Category 2D and maintain the overall IP rating of the enclosure.
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solvents that may affect polymeric materials.
establishing from the materials data sheet that it is resistant to specific chemicals.
Operating Instructions, 06/2018, A5E4505935-AA
SITRANS WS300