R117/2019-A-NL1-22.08 Rev. 2

OIML Member State The Netherlands

Number R117/2019-A-NL1-22.08 revision 2 Project number 3997852 Page 1 of 3

Issuing authority NMi Certin B.V. Person responsible: M.Ph.D. Schmidt

Applicant and Endress + Hauser Flowtec AG

Manufacturer Kagenstrasse 7

4153 Reinach

Switzerland

Identification of the certified type

An electronic calculating and indicating device (flow computer), intended to be used as a part of a liquid measuring system for LNG. Type: LNG Metering Computer

Characteristics

See following page(s)

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 117-1:2019 "Dynamic measuring systems for liquids other than water"

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 24 October 2025

Certification Board

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

Number R117/2019-A-NL1-22.08 revision 2 Project number 3997852 Page 2 of 3

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

• NMi-2495471-02 dated 18 December 2020 that includes 42 pages.

• NMi-3568185-01 dated 19 January 2023 that includes 14 pages.

• NMi-3692100-02 dated 29 September 2023 that includes 45 pages.

Characteristics of the measuring instrument

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

The construction of the measuring instrument is the following:

• Computer of brand B&R, type PANEL PC xxxx $ ^{[1]} $ , equipped with a touch screen and running on Windows $ ^{®} $ 10 IoT Ent 2019 or later versions.

There are no keyboard and mouse connected to the computer.

• All used components shall bear the C $ \in $ marking.

The LNG Metering Computer is an electronic calculating and indicating device which is intended to be used as a part of a liquid measuring system for LNG.

The LNG Metering Computer is used in conjunction with a NANOflow flow computer for the LNG measurement and an optional additional NANOflow flow computer for the BOG/Vapour return measurement. All devices are connected via TCP/IP routed via an ethernet switch.

The LNG metering computer is mounted in the door of an electronic cabinet, with the NANOflow flow computer and ethernet switch mounted in the same cabinet. The cabinet is intended to be placed in a room suitable such as a control room.

OIML Certificate

OIML Member State The Netherlands

Number R117/2019-A-NL1-22.08 revision 2 Project number 3997852 Page 3 of 3

The metrological software version can be checked via the following screen buttons on the main HMI screen:

• HMI version 1: [System] - [Energy Computer].

• HMI version 2: [System] - [Software]

Certificate history:

This revision replaces the previous version.