ISO 6996

International
Standard
ISO 6996
First edition
Bunkering — Meter verification
using master Coriolis mass flow
meter
Soutage — Vérification des compteurs au moyen d’un compteur
massique étalon à effet Coriolis
PROOF/ÉPREUVE
Reference number
ISO 6996:2024(en) © ISO 2024

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ISO 6996:2024(en)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
PROOF/ÉPREUVE
© ISO 2024 – All rights reserved
ii

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ISO 6996:2024(en)
Contents  Page
Foreword .iv
Introduction .v
1  Scope . 1
2  Normative references . 1
3  Terms and definitions . 1
4  Safety, health and environment during meter verification . 3
5  Metrological requirements for master meter . 4
5.1 General .4
5.2 Master meter requirements . .4
5.3 Maintenance of master meter status .5
6  Meter verification process . . 5
6.1 General .5
6.2 Requirements .5
6.3 Meter verification setup .5
6.4 Procedures .8
6.4.1 Pre-test meeting .8
6.4.2 Steps and actions .8
6.5 Documentation .9
An
...

ISO/FDIS 6996:2023(E)
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ISO TC 28/SC 2/WG 13
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at 18 pt
Date: 2023-MM-DD2024-01-15
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Bunkering — Meter verification using master Coriolis mass flow meter
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Soutage — Vérification des compteurs au moyen d’un compteur massique étalon à effet Coriolis
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19.85 pt + 39.7 pt + 59.55 pt + 79.4 pt + 99.25 pt +
119.05 pt + 138.9 pt + 158.75 pt + 178.6 pt + 198.45
Formatted: English (United Kingdom)
Formatted: English (United Kingdom)
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ISO/DIS 6996:20232024(E)
© ISO 20232024
Formatted: Default Paragraph Font
Formatted: Indent: Left: 0 pt, Right: 0 pt, Space
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no
Before: 0 pt, No page break before, Adjust space
part of this publication may be reproduced or utilized otherwise in any form or by any means,
between Latin and Asian text, Adjust space between
electronic or mechanical, including photocopying, or posting on the internet or an intranet, without
Asian text and numbers
prior written permission. Permission can be requested from either ISO at the address below or
ISO’sISO's member body in the country of the requester.
ISO copyright officeCopyright Office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Formatted: Indent: Left: 0 pt, First line: 0 pt, Right: 0
pt, Adjust space between Latin and Asian text, Adjust
Phone: + 41 22 749 01 11
space between Asian text and numbers
Email: copyright@iso.org
Email: copyright@iso.org
Website: www.iso.orgwww.iso.org
Formatted: English (United Kingdom)
Formatted: Indent: Left: 0 pt, First line: 0 pt, Right: 0
Published in Switzerland.
pt, Adjust space between Latin and Asian text, Adjust
space between Asian text and numbers
Formatted: English (United Kingdom)
Formatted: English (United Kingdom)
ii © ISO 20232024 – All rights reserved

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ISO/FDIS 6996:20232024(E)
Contents
Foreword . iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Safety, health and environment (SHE) during meter verification . 4
5 Metrological requirements for master meter . 4
5.1 General . 4
5.2 Master meter requirements . 4
5.3 Maintenance of master meter status . 5
6 Meter verification process . 5
6.1 General . 5
6.2 Requirements . 5
6.3 Meter verification setup . 6
6.4 Procedures. 9
6.5 Documentation .
...