KROHNE H250 M40 ATEX II2D Ex t-II2G Ex d EN - Manual (Page 3)

SAFETY INSTRUCTIONS
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H250 M40
www.krohne.com 07/2012 - 4002069601 - MA H250/M40-Ex-II2GD-AD R01
Safety instructions
1.1 General notes
These additional instructions apply to explosion-protected versions of Varaiable area
flowmeters with electrical built-ins and the marking II 2 G or II 2 D. 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 2
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the non-explosion protected versions apply unchanged unless excluded or superseded by these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
Under his sole responsibility, the manufacturer hereby declares conformity with the protection
goals of Directive 94/9/EC for use in hazardous areas. EC DECLARATION OF CONFORMITY
The EC Type Test Certificate of the Physikalisch Technische Bundesanstalt (PTB) forms the basis
of the EC Declaration of Conformity:
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 , IEC 60079-1 and IEC 60079-31. The number of
the IEC certificate is:
1.4 Security information
Assembly, installation, start-up and maintenance may only be performed by personnel trained in
explosion protection!
PTB 12 ATEX 1025 PTB 12 ATEX 1025 PTB 12 ATEX 1025 PTB 12 ATEX 1025
IECEx PTB 12.0034 IECEx PTB 12.0034 IECEx PTB 12.0034 IECEx PTB 12.0034
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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