SAFETY INSTRUCTIONS
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ESK4... ...
www.krohne.com
10/2017 - 4001078703 - AD ESK4 Ex II2G R03 en
1.1 General notes
These additional instructions apply to explosion-protected versions of the ESK4... electronic
signal output with the designation II 2 G. They complete the standard manual for the non-
explosion protected versions.
The information given in these instructions contains only the data relevant to category 2
explosion protection. The technical details given in the standard documentation for the non-
explosion protected versions apply unchanged unless excluded or superseded by these
instructions.
1.2 EU conformity
The manufacturer declares with the EU declaration of conformity on his own responsibility
conformity with the protection goals of directive 2014/34/EU for use in hazardous areas with gas.
Conformity with harmonised standards was checked in accordance with
EN 60079-0:2012 + A11:2013 and EN 60079-11:2012.
The EU declaration of conformity is based on the EC type examination certificate of the
Physikalisch Technische Bundesanstalt (PTB):
The "X" after the certificate number refers to special conditions for safe use of the device, which
have been listed in these instructions.
If needed the EC type examination certificate can be downloaded from the manufacturer's
website.
1.3 Approval according to the IECEx scheme
Conformity for use in hazardous areas with gas and dust was tested in accordance with the
"IECEx Certification Scheme for Explosive Atmospheres" according to
IEC 60079-0:2011 and IEC 60079-11:2011.
The number of the IECEx certificate is:
The "X" after the certificate number refers to special conditions for safe use of the device, which
have been listed in these instructions.
If needed, the IEC certificate can be downloaded from the manufacturer's website.
PTB 10 ATEX 2021 X
PTB 10 ATEX 2021 X
PTB 10 ATEX 2021 X
PTB 10 ATEX 2021 X
IECEx PTB 17.0033 X
IECEx PTB 17.0033 X
IECEx PTB 17.0033 X
IECEx PTB 17.0033 X