Siemens SITRANS WF100, Руководство по эксплуатации, Страница: 10 / 45

Safety notes
2.2 Installation in hazardous areas
SITRANS WF100
8
Operating Instructions, 02/2012, 7ML19985NB01-01
Instructions specific to hazardous area installations
(Reference European ATEX Directive 94/9/EC, Annex II, 1/0/6)
The following instructions apply to equipment covered by certificate number
SIRA11ATEX9367X:
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 T80 °C (in a 65 °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 °C to 65 °C.
5. If the conductors of the attached cable are terminated in the hazardous area, appropriate
explosion protection ('Ex') methods should be used that meet the requirements of European
Directive 94/9/EC for Group II, Category 2D.
6. The equipment has not been assessed as a safety related device (as referred to by Directive
94/9/EC Annex II, clause 1.5).
7. Installation and inspection of this equipment shall be carried out by suitably trained personnel
in accordance with the applicable code of practice.
8. Repair of this equipment shall be carried out by suitably trained personnel in accordance with
the applicable code of practice.
9. 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.
10. 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 solvents that may affect
polymeric materials. Suitable precautions: e.g. regular checks as part of routine inspections
or establishing from the material’s data sheet that it is resistant to specific chemicals
Note
The flowmeter construction materials include: mild steel (polyester power coat painted) or
stainless steel, nonurethane encapsulant, and silicone rubber seals.
11. Product marking shall include the warning: Do not disassemble when an explosive dust
atmosphere is present.