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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 BAS 09.0063 issue No.:3
 
Status:
Current
 
Date of Issue:2012-02-21 Page 1 of 4


    
Applicant:
Michell Instruments Limited
Unit 48
Lancaster Way Business Park
Ely
Cambridge
CB6 3NW
United Kingdom


 
Electrical Apparatus:MDM300 I.S. Portable Dewpointmeter
Optional accessory:


 
Type of Protection:Intrinsic Safety


 
Marking: Ex ia IIC T4 Ga (-20°C to +50°C)
 
Approved for issue on behalf of the IECEx
Certification Body:
R S Sinclair

 
Position:General 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:
Baseefa
Rockhead Business Park
Staden Lane
Buxton
Derbyshire
SK17 9RZ
United Kingdom


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IECEx Certificate
of Conformity

 
Certificate No.:IECEx BAS 09.0063
 
Date of Issue:2012-02-21Issue No.: 3
 
Page 2 of 4
 
 Manufacturer:
Michell Instruments Limited
Unit 48
Lancaster Way Business Park
Ely
Cambridge
CB6 3NW
United Kingdom


 
 Additional Manufacturing location(s):
 

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 : 2004
Edition: 4.0
Electrical apparatus for explosive gas atmospheres - Part 0: General requirements
IEC 60079-0 : 2007-10
Edition: 5
Explosive atmospheres - Part 0:Equipment - General requirements
IEC 60079-11 : 2006
Edition: 5
Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
IEC 60079-26 : 2006
Edition: 2
Explosive atmospheres - Part 26: Equipment with equipment protection level (EPL) Ga
 
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:
GB/BAS/ExTR09.0089/03GB/BAS/ExTR09.0128/00GB/BAS/ExTR11.0151/00GB/BAS/ExTR11.0289/00GB/BAS/ExTR12.0039/00


Quality Assessment Report:

GB/BAS/QAR07.0018/03


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IECEx Certificate
of Conformity

 
Certificate No.:IECEx BAS 09.0063
 
Date of Issue:2012-02-21Issue No.: 3
 
Page 3 of 4
 
 
Schedule
 
EQUIPMENT:
Equipment and systems covered by this certificate are as follows:
 

The MDM300 is a portable dewpointmeter. It comprises electronic circuitry powered by a rechargeable battery pack, a front panel LCD, custom rubber keypad and a humidity sensor that is connected to using rear panel pipe connections.

The MDM300 also accepts signals from an external 4-20mA dewpoint sensor that connects via a connector on the rear panel.

Terminal parameters are shown in the certificate annex.

 
CONDITIONS OF CERTIFICATION: NO
 
 


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IECEx Certificate
of Conformity

 
Certificate No.:IECEx BAS 09.0063
 
Date of Issue:2012-02-21Issue No.: 3
 
Page 4 of 4
 
 
DETAILS OF CERTIFICATE CHANGES (for issues 1 and above):
 
Variation 3.1

To permit minor drawing changes that do not affect the existing assessment.

 ExTR:  GB/BAS/ExTR12.0039/00

File Reference:   12/0083

 
 
 








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