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IECEx Certificate
of Conformity

 
INTERNATIONAL ELECTROTECHNICAL COMMISSION
IEC Certification Scheme for Explosive Atmospheres
for rules and details of the IECEx Scheme visit www.iecex.com

 
Certificate No.:
IECEx DEK 11.0071 issue No.:0

Certificate history:

Issue No. 0 (2012-4-16)
 
Status:
Current
 
Date of Issue:2012-04-16 Page 1 of 3


    
Applicant:
Dwyer Instruments, Inc.
102 Indiana Highway 212,
Michigan City,
IN 46360
United States of America


 
Electrical Apparatus:Level and Float Switches, Models L4 and V4
Optional accessory:


 
Type of Protection:Ex d


 
Marking: Ex d IIB T6...T3 or 145 °C Gb
 
Approved for issue on behalf of the IECEx
Certification Body:
M. Erdhuizen

 
Position:Certification Manager


 
Signature:
(for printed version)
 
Date:
 
 
1. This certificate and schedule may only be reproduced in full.
2. This certificate is not transferable and remains the property of the issuing body.
3. The Status and authenticity of this certificate may be verified by visiting the Official IECEx Website.
 

 Certificate issued by:
DEKRA Certification B.V.
Utrechtseweg 310
6812 AR Arnhem
The Netherlands
All testing, inspection, auditing and certification activities of the former KEMA Quality are an integral part of the DEKRA Certification Group.


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IECEx Certificate
of Conformity

 
Certificate No.:IECEx DEK 11.0071
 
Date of Issue:2012-04-16Issue No.: 0
 
Page 2 of 3
 
 Manufacturer:
Dwyer Instruments, Inc.
102 Indiana Highway 212,
Michigan City,
IN 46360
United States of America


 
 Additional Manufacturing location(s):
W.E. Anderson, a division of Dwyer Instruments, Inc.
250 Highgrove
Grandview,
MO 64030
United States of America
 

This certificate is issued as verification that a sample(s), representative of production, was assessed and tested and found to comply with the IEC Standard list below and that the manufacturer's quality system, relating to the Ex products covered by this certificate, was assessed and found to comply with the IECEx Quality system requirements. This certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents as amended.


STANDARDS:
The electrical apparatus and any acceptable variations to it specified in the schedule of this certificate and the identified documents, was found to comply with the following standards:

 
IEC 60079-0 : 2007-10
Edition: 5
Explosive atmospheres - Part 0:Equipment - General requirements
IEC 60079-1 : 2007-04
Edition: 6
Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
 
This Certificate does not indicate compliance with electrical safety and performance requirements other than those expressly included in the Standards listed above.


 
TEST & ASSESSMENT REPORTS:A sample(s) of the equipment listed has successfully met the examination and test requirements as recorded in

 
Test Report:
NL/DEK/ExTR11.0077/00


Quality Assessment Report:

CA/CSA/QAR09.0006/02


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IECEx Certificate
of Conformity

 
Certificate No.:IECEx DEK 11.0071
 
Date of Issue:2012-04-16Issue No.: 0
 
Page 3 of 3
 
 
Schedule
 
EQUIPMENT:
Equipment and systems covered by this certificate are as follows:
 
The Level and Float Switches, Models L4 and V4 are float and vane displacer operated switches.

Ambient temperature range: -20 °C to +73 °C

The relation between temperature class and medium temperature range is shown in the table below:

Temperature class

Medium temperature range

T6
T5
T4
T3 or 145 °C

-20 °C to +73 °C
-20 °C to +88 °C
-20 °C to +123 °C
-20 °C to +133 °C

 

Electrical data

Voltage ………………….. max. 250 V
Current ………………….. max. 10 A 

 
CONDITIONS OF CERTIFICATION: NO
 
 







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