Ex Marking; Supplementary Documentation; Description Of Equipment - WIKA TR Serie Información Adicional

1. Ex marking

Supplementary documentation:

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This additional information for hazardous areas applies in conjunction with the operating
instructions "Resistance thermometers and thermocouples, models TRxx and TCxx"
(article number 14150915).
EN
Models concerned:
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These operating instructions are valid for a whole range of products. For a detailed listing
of these models see "Appendix: EU declaration of conformity" (page 14).
1. Ex marking
DANGER!
Danger to life due to loss of explosion protection
Non-observance of these instructions and their contents may result in the
loss of explosion protection.
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Check whether the classification is suitable for the application. Observe the relevant
national regulations.
ATEX
IECEx
II 2G Ex eb IIC T5 ... T1 Gb
II 2G Ex eb IIC T6 Gb
II 3G Ex ec IIC T5 ... T1 Gc
II 3G Ex ec IIC T6 Gc
II 3G Ex nA IIC T5 ... T1 Gc
II 3G Ex nA IIC T6 Gc
II 2D Ex tb IIIC TX °C Db
II 3D Ex tc IIIC TX °C Dc

Description of equipment

The thermometer model TRxx (resistance sensor) and TCxx (thermocouple element)
consists of a welded tubing or a mineral-sheathed cable or a ceramic-insulated
thermowire, with the temperature sensor inside which is embedded in a ceramic powder, in
a heat-resistant casting compound, a cement compound or a thermal conductance paste.
4 WIKA additional information, models TRxx and TCxx (Ex nA, Ex ec, Ex eb, Ex tc, Ex tb)
Observe the safety instructions in this chapter and further explosion
instructions in these operating instructions.
Follow the requirements of the ATEX directive.
Observe the information given in the applicable type examination
certificate and the relevant regulations for installation and use in
hazardous areas (e.g. IEC/EN 60079-7, IEC/EN 60079-10 and
IEC/EN 60079-14).