R137/2012-B-NL1-18.01

OIML Certificate

OIML Member State The Netherlands

Number R137/2012-B-NL1-18.01

Project number 1901403

Page 1 of 4

Issuing authority NMi Certin B.V. Person responsible: C. Oosterman

Applicant and MeteRSit Manufacturer Viale dell'Industria, 31 35129 Padova Italy

Identification of the A Thermal Gas Meter certified type Type: x485xxx

Characteristics See page 2 and further

This OIML Certificate is issued under scheme B

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.

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

12 March 2018

C. Oosterman Head Certification Board

NMi Certin B.V.

Hugo de Grootplein 1

3314 EG Dordrecht

the Netherlands

T +31 78 6332332

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.

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

OIML Member State The Netherlands

Number R137/2012-B-NL1-18.01

Project number 1901403

Page 2 of 4

The conformity was established by the results of tests and examinations provided in the associated report(s):

• No. NMi-16200387-02 dated 17 October 2016 that includes 61 pages.

• No. NMi-16200852-01 dated 8 May 2017 that includes 13 pages;

• No. NMi-1901029-02 dated 11 October 2017 that includes 14 pages;

• No. NMi-1901403-02 dated 1 February 2018 that includes 21 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.

The construction of the measuring instrument is recorded in the Documentation folder no. T10362-16.

OIML Certificate

Number R137/2012-B-NL1-18.01

Project number 1901403

Page 3 of 4

OIML Member State The Netherlands

Number R137/2012-B-NL1-18.01

Project number 1901403

Page 4 of 4