R137/2012-A-NL1-20.13

OIML Member State The Netherlands

Number R137/2012-A-NL1-20.13 Project number 2494544 Page 1 of 2

Issuing authority

NMi Certin B.V.

Person responsible: M. Boudewijns

Applicant and Manufacturer

Goldcard Smart Group Co., Ltd.

No 158, Jinqiao Street, Economic and Technology development Zone

Hangzhou City

P.R. China

Identification of the certified type

A diaphragm gas meter Type: JK/G1.6 and JK/G2.5

Characteristics

See page 2 and further

This OIML Certificate is issued under scheme A

This Certificate attests the conformity of the above identified type (represented by the sample(s) identified in the OIML Type Evaluation Report) with the requirements of the following Recommendation of the International Organization of Legal Metrology (OIML):

R 137-1 (2012) "Gas meters"

Accuracy class

1,5

This Certificate relates only to the metrological and technical characteristics of the type of measuring instrument covered by the relevant OIML International Recommendation identified above. This Certificate does not bestow any form of legal international approval.

This certificate and supporting reports comply with the requirements of OIML-CS-PD-07 clause 6.2.

Important note: Apart from the mention of the Certificate's reference number and the name of the OIML Member State in which the Certificate was issued, partial quotation of the Certificate and of the associated OIML Type Evaluation Report(s) is not permitted, although either may be reproduced in full.

Issuing Authority

NMi Certin B.V., OIML Issuing Authority NL1 19 August 2020

Certification Board

NMi Certin B.V.

Thijsseweg 11

2629 JA Delft

The Netherlands

T +31 88 636 2332

certin@nmi.nl

www.nmi.nl

This document is issued under the provision that no liability is accepted and that the applicant shall indemnify third-party liability.

Reproduction of the complete document only is permitted.

The notification of NMi Certin B.V. as Issuing Authority can be verified at www.oiml.org

This document is digitally signed and sealed. The digital signature can be verified in the blue ribbon at the top of the electronic version of this certificate.

Number R137/2012-A-NL1-20.13 Project number 2494544 Page 2 of 2

The conformity was established by the results of tests and examinations provided in the associated reports:

• No. NMi-13200784-01 dated 12 March 2015 that includes 35 pages;

• No. NMi-16200632-01 dated 29 September 2016 that includes 15 pages;

• No. NMi-2414972-01 dated 12 February 2020 that includes 20 pages;

• No. NMi-2494544-01 dated 23 July 2020 that includes 14 pages.

Characteristics of the measuring instrument

In Table 1 the general characteristics of the measuring instrument are presented.

Table 2 gives an overview of the general characteristics of the family of instruments.