Siemens SITRANS WFS300 Operating Instructions Manual - Page 8
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Safety notes
2.2 Installation in hazardous areas
4. The equipment is certified for use as Category 2D equipment per FM14ATEX0027X.
5. Per FM14ATEX0027X, the equipment has a degree of ingress protection of IP64 and a
temperature class of T70ºC and may be used with flammable, conductive dusts in zone 21
and 22 hazardous locations.
6. The equipment is certified for use in an ambient temperature range of -40ºC to +60ºC.
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 the equipment shall be carried out by suitably trained
personnel in accordance with the applicable code of practice.
9. Repair of the 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.Each certificate number has an 'X' suffix, which indicates that special conditions for safe use
apply. Those installing or inspecting the equipment must have access to the certificates.
12.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:
– Suitable precautions:
Special conditions for safe use
Certificate number FM13ATEX0032X
The 'X' suffix to certificate number FM13ATEX0032X relates to the following special
conditions for safe use:
• The enclosure is non-conducting and, under certain extreme conditions, may generate an
ignition-capable level of electrostatic charges. The user shall 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 charges on non-conducting
surfaces. Additionally, cleaning of the equipment should be done only with a damp cloth.
• Indoor use only. Additionally, the user shall ensure that the equipment is not installed in a
location where it is continuously exposed to ultraviolet light.
Certificate number FM14ATEX0027X
The 'X' suffix to certificate number FM14ATEX0027X relates to the following special
conditions for safe use:
• The enclosure is non-conducting and, under certain extreme conditions, may generate an
ignition-capable level of electrostatic charges. The user shall ensure that the equipment is
not installed in a location where it may be subjected to external conditions (such as high-
8
for example, acidic liquids or gases that may attack metals, or solvents that may affect
polymeric materials.
for example, establishing from the material's data sheet that it is resistant to specific
chemicals.
Operating Instructions, 03/2021, A5E32880243-AC
SITRANS WFS300