Phys Phys i i kal kal isch isch -Tech -Tech n n ische ische Bu Bu ndesanstaltndesanstaltBraunschweig Braunschweig und und BerlinBerlin

l l SUPPLEMENTSUPPLEMENTaccording according to to Directive Directive 94/9/EG 94/9/EG Annex Annex lll.6lll.6

to to EC-TYPE-EXAMINATION EC-TYPE-EXAMINATION CERTIFICATE CERTIFICATE PTB PTB 06 06 ATEX ATEX 20112011

(Translation)(Translation)

Equipment:Equipment:

Marking:Marking:

Capacitive Capacitive pressure pressure transmitter transmitter series series 41XEi 41XEi resp.resp.

@ @ t1r2c t1r2c EExiarcr4EExiarcr446XEi46XEi

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Manufacturer: Manufacturer: Keller Keller AGAG

AddressAddressSt. St. Gallerstrasse Gallerstrasse 1 1 19198404 8404 Winterthur, Winterthur, SwitzerlandSwitzerland

Description Description of of supplements supplements and and modificationsmodifications

The The capacitive capacitive pressure pressure transmitter transmitter series series 41XEi 41XEi resp. resp. 46XEiwill 46XEiwill be be produced produced in in the the future future with with thethemodifications modifications according according to to the the documents documents specified specified in in the the Assessment Assessment and and Test Test Report Report mentionedmentionedbelow. below. The The modifications modifications refer refer to to the the internal internal structure structure and and the the modified modified layout.layout.

The The permissible permissible ambient ambient temperature temperature range range is: is: -20'C -20'C to to +80"C.+80"C.

The The basis basis for for the the standard standard for for the the capacitive capacitive pressure pressure transmitter transmitter series series 41XEi 41XEi resp. resp. 46XEi 46XEi changeschangesas as follows:follows:

EN EN 60079-0:200660079-0:2006 EN EN 60079-11:200760079-11:2007 EN EN 60079-26:200760079-26:2007

The The marking marking according according the the above above mentioned mentioned standards standards shall shall include include the the following following details:details:

@ @ rlnc rlnc ExiattGT4ExiattGT4The The electrical electrical data data change change as as follows, follows, all all other other fixings fixings are are valid valid without without changes.changes.

Electrical Electrical datadata

Supply Supply circuitcircuit in in type type of of protection protection lntrinsic lntrinsic Safety Safety Ex Ex ia ia llC;llC;only only for for connection connection with with separately separately cedifiedcedifiedintrinsically intrinsically safe safe circuits circuits with with the the maximum maximum values:values:Ui= Ui= 30 30 VVli li = = 100 100 mAmAPi Pi = = 640 640 mWmWlinear linear characteristiccharacteristic

C; C; negligiblyr negligiblyr smallsmall

Li Li negligibly negligibly smallsmall

Sheet Sheet 1/21/2

EOtype-examination EOtype-examination Certificates Certificates without without signature signature and and official official stamp stamp shall shall not not be be valid. valid. The The certificates certificates may may be be circulatedcirculated

only only without without alteration. alteration. Extracts Extracts or or alterations alterations are are subject subject to to approval approval by by the the Physikalisch-Technische Physikalisch-Technische Bundesanstalt.Bundesanstalt.ln ln case case of of dispute, dispute, the the German German text text shall shall prevail.prevail.

Physikalisch-Technische Physikalisch-Technische Bundesanstalt Bundesanstalt . . Bundesallee Bundesallee 100 100 . . 38116 38116 Braunschweig Braunschweig . . GERMANYGERMANY

Phys Phys i i kal kal isch-Tech isch-Tech n n ische ische Bu Bu ndesanstaltndesanstaltBraunschweig Braunschweig und und BerlinBerlin

1 1 SUPPLEMENT SUPPLEMENT TO TO EC.TYPE.EXAMINATION EC.TYPE.EXAMINATION CERTIFICATE CERTIFICATE PTB PTB 06 06 ATEX ATEX 20112011

Signal Signal and and interface interface circuitscircuits

togethertogether

Assessment Assessment and and test test report:report:PTB PTB Ex Ex 09-2915709-29157

ktor ktor ExplosionsschutzExplosionsschutz

Dr.-lng. Dr.-lng. U. U. JohanJohanDirektor Direktor und und ProfProf

ffis:sffis:sffisffisd;sd;s

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in in type type of of protection protection lntrinsic lntrinsic Safety Safety Ex Ex ia ia llC;llC;maximum maximum values:values:

Uo Uo = = 14,7 14,7 VVIlo Ilo = = 464 464 mAmAIPo= IPo= 1,71 1,71 WWlinear linear characteristiccharacteristic

Ci Ci negligibly negligibly smallsmallL; L; negligibly negligibly smallsmall

Braunschweig, Braunschweig, September September 29, 29, 20092009

Sheet Sheet 2/22/2

EC-type-examination EC-type-examination Certificates Certificates without without signature signature and and official official stamp stamp shall shall not not be be valid. valid. The The certificates certificates may may be be circulatedcirculated

only only without without alteration. alteration. Extracts Extracts or or alterations alterations are are subject subject to to approval approval by by the the Physikalisch-Technische Physikalisch-Technische Bundesanstalt.Bundesanstalt.ln ln case case of of dispute, dispute, the the German German text text shall shall prevail.prevail.

Physikalisch-Technische Physikalisch-Technische Bundesanstalt. Bundesanstalt. Bundesallee Bundesallee 100.38116 100.38116 Braunschweig. Braunschweig. GERMANYGERMANY