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Singapore: ISO/TC 28/SC 2/WG13 for Marine Bunkering @meter verification operation of “Sea Longevity"

Members of the International Organization for Standardization (ISO) working group (ISO/TC 28/SC 2/WG13 for Marine Bunkering) attended a meter verification using master Coriolis mass flow meter operation performed by mass flow metering system measurement solutions provider Metcore International Pte Ltd (Metcore) at Jurong Port on Wednesday, 28 September 2022.



Singapore-flagged bunker tanker Sea Longevity, a vessel owned and operated by bunker supplier Equatorial Marine Fuel Management Services, was having its mass flow meter verified during this particular operation.



The world’s first meter verification using master Coriolis mass flow meter solution for the bunkering sector was launched during the end of 2020; the service provides an efficient way to assess the accuracy of the bunker tanker’s duty meter in Singapore on an annum basis while offering huge cost savings as compared with other verification methods.

“Hosting the visit by ISO members re-iterates our commitment towards the support of standards development work,” Daryl Lim, Quality Manager, Metcore, told Singapore bunkering publication Manifold Times.


“We believe that the meter verification not only showcases Singapore bunkering community’s effort, it also facilitates the ISO members to benchmark against our best practices when formalising a similar international standard.”


Choong Zhen Mao, Executive Director at Singapore bunker supplier Equatorial Marine Fuel Management Services (EMF), welcomed the ISO committee to witness the operation.

“Mass flow meters have become the cornerstone for the transparency, integrity and efficiency of the bunkering sector in Singapore. The technology is also integral to the digitalisation of our industry going forward,” notes Mr Choong.


“We are happy and privileged to have the Sea Longevity represented as a showcase for the ISO working group.”


The ISO delegates represented seven countries and were in Singapore to attend a three-day meeting of ISO WG13 to develop two new ISO bunkering standards.

ISO WG13 Convenor Seah Khen Hee shared: “These two standards cover bunker cargo loading from oil terminal to bunker tanker and meter verification using the master Coriolis mass flow meter respectively.”


“Together with other ISO bunkering standards, these new standards will offer the international bunkering industry the opportunity to apply technologies that enable digitalisation of the bunker supply chain around the world. In addition, the ISO standards will promote fair trade, transparency and trust.”


Metcore’s master Coriolis mass flow meter operates on the principles of TR 80 : 2020 – Meter Verification using Master Mass Flow Meter; a technical reference launched at SIBCON 2020.


TR 80 states a master Coriolis mass flow meter has to be three times better in terms of specification when compared to duty meters, according to Seah Khen Hee, who is also Advisor for Singapore’s Technical Committee for Bunkering (Ambient Liquid Fuels) – who led the development of TR 80.


Standardisation work for the bunkering industry continues to support Singapore as the biggest bunkering hub in the world, and standards developed are being referenced for development of international standards. (E.g. TR 80 is the base standard being referenced for the development of ISO 6996)



MFM manufacturer Endress+Hauser and Singapore-based Metcore International underwent a collaborative partnership to develop the master Coriolis mass flow meter which has undergone tests at Singapore port since early 2020.


Photo credit: Manifold Times

First published: 30 September, 2022



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