KROHNE H250 M40 ATEX II3G Ex nA EN - Manual (Page 3)

SAFETY INSTRUCTIONS
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H250 M40
www.krohne.com 01/2012 - 4001485201- MA H250/M40-Ex-II3G-AD R01 en
Safety instructions
1.1 General notes
These additional instructions apply to explosion-protected versions of Variable area flowmeters
with electrical built-ins and the marking II 3 G. They complement the Installation and Operation
Instructions for the non-explosion protected versions.
The information given in these Instructions contains only the data relevant to Category 3
explosion protection. The technical details given in the Installation and Operation Instructions for
the non-explosion protected versions apply unchanged unless excluded or superseded by these
Instructions.
1.2 EC conformity
The manufacturer declares with the EC Declaration of Conformity on his own responsibility
conformity with the protection goals of Directive 94/9/EC for use in hazardous areas with gas.
The EC Type Test Certificate of the Physikalisch Technische Bundesanstalt (PTB) forms the basis
of the EC Declaration of Conformity:
The "X" after the certificate number refers to special conditions for safe use of the device, which
have been listed in these Instructions.
The EC type test certificate may be downloaded from the manufacturer's website as needed.
1.3 Approval according to the IECEx scheme
Conformity with IECEx standards was tested in accordance with the IECEx Certification Scheme
for Explosive Atmospheres acc. to IEC 60079-0 and IEC 60079-15. The number of the IEC
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.
The EC type test certificate may be downloaded from the manufacturer's website as needed.
1.4 Safety instructions
Assembly, installation, start-up and maintenance may only be performed by personnel trained in
explosion protection!
PTB 11 ATEX 2012 X PTB 11 ATEX 2012 X PTB 11 ATEX 2012 X PTB 11 ATEX 2012 X
IECEx PTB 11. 0069 X IECEx PTB 11. 0069 X IECEx PTB 11. 0069 X IECEx PTB 11. 0069 X
CAUTION!
The operator respectively his agent is responsible to follow further standards, directives or laws
if required due to operating conditions or place of installation. This applies particularly for the
use of easy detachable process connections such as SMS or Clamp when measuring flammable
mediums.
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