WIKA TR21 Serie Informations Complémentaires page 4

1. Ex marking
Supplementary documentation:
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This additional information for hazardous areas applies in conjunction with the operating
instructions "Miniature resistance thermometers for sanitary applications, model TR21"
(article number 14006814).
EN
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 1G Ex ia IIC T1 ... T6 Ga
II 1/2G Ex ia IIC T1 ... T6 Ga/Gb
II 2G Ex ia IIC T1 ... T6 Gb
II 1D Ex ia IIIC T135 °C Da
II 1/2D Ex ia IIIC T135 °C Da/Db
II 2D Ex ia IIIC T135 °C Db
4
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 60079-11, IEC 60079-10 and IEC 60079-14).
WIKA additional information model TR21 (Ex i)