Instructions Specific To Hazardous Area Installations - Siemens SITRANS WS300 Operating Instructions Manual

Instructions Specific to Hazardous Area Installations

(Reference European ATEX Directive 94/9/EC,
The following instructions apply to equipment covered by certificate number
Sira 06ATEX9303X:
1. For use and assembly, refer to the main instructions.
2. The equipment is certified for use as Category 2D equipment and may be used in
hazardous zones 21 and 22 with dusts.
3. This equipment has a maximum surface temperature of T70°C (in a +55°C ambient).
Refer to the applicable code of practice for selection of this equipment with respect
to specific dust ignition temperatures.
4. The equipment is certified for use in an ambient temperature range of -40 to +55°C.
5. Any cable or conduit entries must meet the requirements of European Directive
94/9/EC for Group II, Category 2D.
6. Cable should be selected in accordance with the applicable code of practice and
such that its insulation can withstand the maximum surface temperature of the
enclosure (T70°C).
7. The equipment has not been assessed as a safety related device (as referred to by
Directive 94/9/EC Annex II, clause 1.5).
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 solvents that may affect polymeric materials
- Suitable precautions: for example, regular checks as part of routine
inspections or establishing from the material's data sheet that it is resistant to
specific chemicals
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.
7ML19985ML01 SITRANS WS300 Speed Sensor – OPERATING INSTRUCTIONS
Annex II, 1/0/6)
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