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EXPLOSION PROTECTION CERTIFICATE OF CONFORMITY

Cert NO.GYJ17.1054X

This is to certify that the product

Temperature head transmitter

manufactured by Endress + Hauser Wetzer GmbH + Co. KG

(Addrcss:Obere Wank 1,87484 Nessclwang, Germany)

which model is TMT182 Se ries

Ex marking Ex iaHC T4�T6 Ga/Gb

product standard /

drawing number 1406 00 000

has been inspected and certified by NEPSI, and that it conforms

to Gß 3836.1 -2010,GB 3836.4-2010,GB 3836.20-2010

This Approval shall remain in force until 2022.02.21

Remarks I.Conditions for safe use are specified in the attachment(s) to this certificate. 2.Symbol "X" placed after the certification number denotes specific conditions of use,

which are specified in the attachment(s) to this certificate.

3.Model designation is.specified in the attachment(s) to this certificate.

4.Safe parameters specified in the attachment(s) to this certificate.

5.This certificate is also applicable for the product with the same type manufactured by

Endress+Hauser Wetzer (Suzhou) Co., Ltd. (address: Su Hon Zhong Lu No.465,

SUZhOll-SIP, China)

Director

National Supervision and lospection Centre tor Explosion Protection and sat�f�f Instrumentation

Issued Date 2017.02.22 This Certificate is valid for products compatible with the documents and sam pies approved by NEPSI.

10 3 Cao Bao Road

Shangha120 0233, China

http://www.nepsl.org.cn

Email: Info@nepsl.org.cn

Tel: +8621 64368180

Fax: +8621 64844580

EditlonOS

ffiI*�1)(B1)(��.*�1l[1i��M National Supervision and Inspection Centre for

Explosion Protection and Safety of Instrumentation

(GY J17.1 054X) (Attachment I )

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(GYJ17.1054X) (Attachment I )

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Explosion Protection and Safety of Instrumentation

(GYJ17.1054X) (Attachment I )

Attachment I to GY J17. 1054X

1. Description

TMT182 series Temperature head transmitter, manufactured by Endress+Hauser Wetzer GmbH + CO.KG, has

been certified by National Supervision and Inspection Center for Explosion Protection and Safety of

Instrumentation (NEPSI). The product accords with following standards:

G83836.1-2010 Explosive atmospheres-Part 1: Equipment-General requirements

G83836.4-2010 Explosive atmospheres-Part 4: Equipment protection by intrinsic safety"i"

G83836.20-2010 Explosive atmospheres-Part 20: Equipment with equipment protection level (EPL) Ga

The Ex marking is Ex ia TI C T4-T6 Ga/Gb, its certificate number is GY J17.1054X.

Type approved in this certificate is shown as the following:

iTEMP HART TMT 182-1 0

o indicates type of connection, sensor and etc.

Refer to instruction manual for the details.

2. Special Conditions for Safe Use

The suffix "X" placed after the certificate number indicates that this product is subject to special conditions for

safe use, that is:

When using this head type product, it shall be installed in the enclosure which IP degree is at least IP20

according to G84208-2008, and meet the relative requirements of G83836.1-201 0 and G83836.4-2010.

3. Conditions for Safe Use

3.1 The relationship between ambient temperature range and the temperature class is shown as folIows:

Temperature class Zone 0 Zone 1, Zone 2

T6 -20'C-+40'C -40'C-+55'C

T5 -20'C-+50'C -40'C-+ 70'C

T4 -20'C-+60'C -40'C-+85'C

3.2 This product should be used in explosive gas atmospheres together with approved associated apparatus,

follow the instruction manual of this product and associated apparatus when connecting the wiring. Connect the

wiring terminals correctly.

Page 1 01 2

(GYJ17.1054X) (Attachment I )

3.3 Intrinsically safe parameters:

Power supply[1(+), 2(-)] Uj=30V Ij=100mA Pj=750mW Cj:::::O L:::::O

Sensor circuits [3, 4, 5, 6] Uo=5V lo=3.6mA Po=4.5mW

HC IIB

Co 2.1 j.l F 10 j.l F

Lo 100mH 100mH

3.4 Connecting cable between intrinsically safe product and associated apparatus should be insulated screen cable;

connect the cable screen functionally to earth ground.

3.5 The user shall not change the configuration in order to maintain/ensure the explosion protection performance

of the equipment. Any change may impair safety.

3.6 For installation, use and maintenance of this product, the end user shall observe the instruction manual and

the following standards:

GB50257-2014 "Code for construction and acceptance of electric device for explosion atmospheres and fire

hazard electrical equipment installation engineering".

GB3836.13-2013 "Explosive atmospheres- Part 13:Equipment repair, overhaul and reclamation".

GB3836.15-2000 "Electrical apparatus for explosive gas atmospheres- Part 15:Electrical installations in

hazardous area (other than mines)".

GB3836.16-2006 "Electrical apparatus for explosive gas atmospheres- Part 16:lnspection and maintenance

of electrical installation (other than mines)".

GB3836.18-2010 "Explosive atmospheres-Part 18: Intrinsically safe system".

4. Manufacturer's Responsibility

4.1 Conditions for safe use, as specified above, should be included in the documentation the user is provided with.

4.2 Manufacturing should be done according to the documentation approved by NEPSI.

4.3 Nameplate should include these contents listed below:

1) NEPSl logo @ 2) Ex marking

3) certificate number

4) ambient temperature

5) intrinsically safe parameters

Page 2 01 2