KROHNE H250 M10 ATEX II3D Ex t EN - Manual (Page 3)

SAFETY INSTRUCTIONS
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H250 M10
www.krohne.com 03/2011 - 4001348101- MA H250/M10-Ex-II3G-AD R01 en
Safety instructions
1.1 General notes
These additional instructions apply to explosion-protected versions of the H250/M10 variable
area flowmeter with the designation II 3 D. They complement the Installation and Operating
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the non-explosion protected versions apply unchanged unless excluded or superseded by these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 dust.
The assessment was made according to Directive 94/9/EC, Annex VIII (module "Internal
production control"), and is registered in-house under
This registration is also provided on the nameplate.
1.3 Safety instructions
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.
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