Siemens SITRANS LR460 HART Operating Instructions Manual page 32

4. Thermal Data for 7ML5426 Series
Device
category
1D, 1/2D, 2D
5. The equipment has not been assessed as a safety related device (as referred to by
Directive 94/9/EC Annex II, clause 1.5).
6. Installation and inspection of this equipment shall be carried out by suitably trained
personnel in accordance with the applicable code of practice (EN 61241-14 and EN
61241 –17 in Europe).
7. Repair of this equipment shall be carried out by suitably trained personnel in
accordance with the applicable code of practice.
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 user's responsibility to ensure that a manual override is possible in order to
shut down the equipment, and that protective systems are incorporated within
automatic processes which deviate from the intended operating conditions,
provided that this does not compromise safety.
10. Equipment Marking: The equipment marking contains at least the information on the
product label. See
11. If the equipment is likely to come into contact with aggressive substances, it is the
user's responsibility to take suitable precautions to prevent it from being adversely
affected, and to ensure that the type of protection is not compromised.
• Aggressive substances include, for example, acidic liquids or gases that may
attack metals, or solvents that may affect polymeric materials.
• Suitable precautions include, for example, regular checks as part of routine
inspections, or establishing from the material's data sheet that it is resistant to
specific chemicals.
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 must meet the requirements of European Directive
94/9/EC for Group II, Category 1D, 1/2D, or 2D, as appropriate, and must
maintain the overall IP rating of the enclosure.
• For applications that require the purge feature, the user shall implement a
means to ensure that combustible dust from the hazardous area cannot enter
the purge supply in such a way as to compromise the area classification.
Page 26
Permitted ambient
temperature at horn antenna
–40 °C (–40 °F)  T
(+392 °F)
Product Nameplate
SITRANS LR460 – INSTRUCTION MANUAL
Permitted ambient
temperature at electronic
+200°C –40 °C (–40 °F)  T
amb
on page 25.
enclosure
 +65°C
amb
(+149 °F)
A5E42035355