KROHNE H250 M9 ATEX II2G Ex i EN - Manual (Page 3)

SAFETY INSTRUCTIONS
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H250 M9
www.krohne.com 11/2012 - 4000345604 MA H250/M9-Ex-II2G-AD R06 en
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. 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the non-explosion protected versions apply unchanged unless excluded or superseded by these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
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 Examination Certificate of the Physikalisch Technische Bundesanstalt
(PTB) forms the basis of the EC Declaration of Conformity:
If required the EC Type Test Certificate can be downloaded at www.krohne.com.
1.3 Security information
Assembly, installation, start-up and maintenance may only be performed by personnel trained in
explosion protection!
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.
AD_H250_M9_II2G_R06_en_345604_PRT.book Page 3 Thursday, November 8, 2012 9:42 AM