Safety instructions – KROHNE DK 32-DK 34 ATEX II2G Ex i EN User Manual

Page 3

SAFETY INSTRUCTIONS

DK32 DK34

www.krohne.com

11/2012 - 4000422303 AD DK32/34 II2G R03 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 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the non-explosion protected versions apply unchanged unless excluded or superseded by these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 under www.krohne.com.

1.3 Approval according to the IECEx scheme

Conformity with IECEx standards was tested in accordance with the IECEx Certification Scheme
for Explosive Atmospheres as per IEC 60079-0 and IEC 60079-11. 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 99 ATEX 2191

IECEx PTB 09.0025

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_DK32_34_II2G_R03_en_422303_PRT.book Page 3 Monday, November 12, 2012 9:18 AM