R117/2019-A-NL1-22.11 Rev. 1
OIML Certificate
OIML Member State The Netherlands
Number R117/2019-A-NL1-22.11 revision 1
Project number 3692100
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 A non-interruptible measuring system for Liquefied Natural Gas (LNG) certified type Type: LNG Bunker Metering System
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.
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 29 September 2023
Certification Board
This document is issued under the provision that no liability is accepted and that the applicant shall indemnify third-party liability.
OIML Certificate
Number R117/2019-A-NL1-22.11 revision 1
Project number 3692100
Page 2 of 3
The conformity was established by the results of tests and examinations provided in the associated report(s):
NMi-3500185-01 dated 19 January 2023 that includes 61 pages.
Characteristics of the measuring instrument
In Table 1 the general characteristics of the measuring instrument are presented.
Each measuring system consists of at least a combination of all the essential parts as mentioned in table 2.
An optional measurement sensor, transducer and electronic calculating device (as stated in table 2) may be present for the boil-off gas (BOG) measurement as a vapour correction device.
The construction of the measuring instrument is recorded in the technical file belonging to T11948.
Table 1 General characteristics
| Flow rate | Depending on the measurement sensor used;See applicable OIML certificate for approved range |
| Maximum pressure | |
| Environmental classes | M1/E2 |
| Ambient temperature range | -25℃ to +55℃; |
| Product temperature range | -200℃ to -120℃ |
| Intended for the measurement of | Liquefied Natural Gas(LNG) |
| Software identification | See OIML certificates of the applicable parts mentioned in table 2 and the software versions mentioned in table 3 for the NANO flow computer. |
| Approved variable(s) | Mass |
Table 2 Overview parts of the measuring instrument
| Part | Producer | Type | OIML certificate | Remarks |
| Measurement sensor | Endress+Hauser Flowtec AG | Promass F or Promass Q | R117/2019-A-NL1-22.10 | |
| Measurement transducer | Endress+Hauser Flowtec AG | Promass 300 or Promass500 | R117/2019-A-NL1-22.10 | |
| Electronic calculating device | Newflow Ltd | NÅNOflow | R117/2019-A-NL1-22.09 | With dedicated software revisions as detailed in table 3 |
OIML Certificate
OIML Member State The Netherlands
Number R117/2019-A-NL1-22.11 revision 1
Project number 3692100
Page 3 of 3
| Part | Producer | Type | OIML certificate | Remarks |
| Electronic calculating and indicating device | Endress+Hauser Flowtec AG | LNG metering Computer | R117/2019-A-NL1-22.08 |
Table 3 software revisions for NANOflow electronic calculating device
| Part | Version | Checksum | Remark |
| System | 4v7r8310-R 4v7r9214-R | 5956577C409BCBF2 | Metrology Block Checksum |
| ISO6578_2017 | - | FDA59B33E2994E8A42A6817D9A473F26 | Density calculation |
| ISO6976_2016 | - | C2E97F8644997F84DA5B18320EAE9C4D | Calorific value calculation |
| Totaliser | - | 281EE714633B1E8D5D6623BB61936774 |
Certificate history:
| Revision | Date | Description of the modification |
| 0 | 19 January 2023 | Initial release |
| 1 | 29 September 2023 | Interface of the LNG Metering Computer redesigned. LNG App in the NANO flow computer updated. |