R137/2012-A-NL1-21.03

OIML Member State The Netherlands

Number R 137/2012-A-NL1-21.03 Project number 2450887 Page 1 of 2

Issuing authority

NMi Certin B.V.

Person responsible: M.Ph.D. Schmidt

Applicant and Manufacturer

EDMI Limited

47 Yishun Industrial Park A

768724 SINGAPORE

Identification of the certified type

An Ultrasonic Gas Meter Type: GR-8BU

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

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 06 May 2021

Certification Board

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.

Number R 137/2012-A-NL1-21.03 Project number 2450887 Page 2 of 2

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

• No. NMi-2450887-01 dated 6 May 2021 that includes 46 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.