Safety instructions – KROHNE OPTISWIRL 4070 ATEX II2G EN User Manual

Page 3

SAFETY INSTRUCTIONS

OPTISWIRL 4070

www.krohne.com

04/2013 - 4000077105 MA OPTISWIRL4070 II2G AD R05 en

Safety instructions

1.1 General notes

These additional "Ex" instructions apply to explosion-protected versions of vortex flowmeters
with the marking II 2 G. They complement the standard documentation 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 standard documentation 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explosion protected versions apply unchanged unless excluded or superseded by these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:

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 Examination 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 60079-11. The number of the IEC
certificate is:

1.4 Safety instructions

Assembly, installation, start-up and maintenance may only be performed by personnel trained in
explosion protection!

PTB 06 ATEX 2050 X

IECEx PTB 09.0051X

CAUTION!
Should operating conditions and locations require the observance of further standards,
guidelines and laws, this is the responsibility of the operator and/or those commissioned by him.

AD_OPTISWIRL4070_II2G_R05_en_077105_PRT.book Page 3 Tuesday, April 23, 2013 2:17 PM