ISO/TC 30 Standards
Dr Michael Reader-Harris,
NEL
and
Dr David Michael
International Secretariats, BSI
NEL
15-07-29
ISO/TC 30 Standards
Slide 1
Benefits of standards
Contributed to about 13 per cent of the growth in labour
productivity in the UK over 1948-2002, and contribute
2.5 billion annually to the UK economy.
Reduce barriers to trade.
Improve the operation of markets through the smooth
flow of goods and services.
Enable compliance to be demonstrated.
Provide confidence in product performance.
Enable technology to be transferred from one sector to
another.
Can have environmental as well as economic
advantages.
NEL
15-07-29
ISO/TC 30 Standards
Slide 2
ISO Standards
Produced by Technical Committees (TCs) and their
Subcommittees (SCs)
Voting members are national bodies (e.g. BSI, DIN)
Drafted by Working Groups (WGs)
Members are individual experts
National Standards
Body (e.g. BSI)
DIS
CD
New Work Item Proposal
(needs 5 countries
nominating experts)
FDIS
NEL
WD
Working Group (produces
working drafts)
Committee Draft (CD)
SC (or TC) produces Draft
International Standard (DIS) and
Final Draft International Standard
(FDIS) (or probably WG does)
15-07-29
ISO/TC 30 Standards
Slide 3
ISO TMB
ISO/TC 28
ISO/TC 193
Petroleum
ISO/TC 28/SC 2
Measurement
ISO/TC 30
Natural gas
Flow
measurement
ISO/TC 28/SC 5
LNG
NEL
15-07-29
ISO/TC 193/SC 3
Upstream area
ISO/TC 30 Standards
Slide 4
ISO/TC 30
Flow measurement in pipes for general use
Participating members:
Brazil (ABNT), China (SAC), Czech Republic (UNMZ),
Egypt (EOS), Germany (DIN), Italy (UNI), Japan (JISC),
Korea, Republic of (KATS), Netherlands (NEN), Norway (SN),
Peru (INDECOPI), Poland (PKN), Portugal (IPQ), Romania (ASRO),
Russian Federation (GOST R), Slovakia (SOSMT),
Switzerland (SNV), UK (BSI), USA (ANSI)
Where a flow-measurement standard is needed by another ISO
TC the best method is for TC 30 to produce a generic Part 1
and for the other TC to produce a Part 2 containing any specific
sectorial requirements.
NEL
15-07-29
ISO/TC 30 Standards
Slide 5
ISO/TC 30
strategy
uncertainty, data-fitting
calibration methods
vocabulary
TC 30/SC 2
Pressure
differential
devices
includes
sonic nozzles
(ISO 9300)
NEL
TC 30/SC 5
Velocity and
Mass methods
velocity-area
tracer
electromagnetic
vortex
Coriolis
thermal mass
ultrasonic
15-07-29
ISO/TC 30 Standards
TC 30/SC 7
Volume
methods
including
water meters
Slide 6
ISO/TC 30/SC 2 Differential pressure meters: standards
ISO 5167
Part 1
Part 2
Part 3
Part 4
Part 5
Part 6
Part 7?
General (2003)
Orifice plates (2003)
Nozzles and Venturi nozzles (2003)
Venturi tubes (2003)
Cone meters (just about to go to FDIS)
Wedge meters (just starting)
Throat-tapped nozzles (proposal expected from Japan)
ISO 2186
Impulse lines (2007)
ISO 9300
Sonic nozzles (2005)
NEL
15-07-29
ISO/TC 30 Standards
Slide 7
ISO/TC 30/SC 2 Differential pressure meters: technical reports
ISO/TR 9464
Guidelines (2008)
ISO/TR 11583
Wet gas (2012)
ISO/TR 12767
DP meters outside ISO 5167 (2007)
ISO/TR 15377
DP meters beyond ISO 5167 (2007)
Drain holes, small meters, no upstream/downstream pipeline,
conical entrance, quarter-circle, eccentric orifice plates,
Venturi tubes with 10.5 convergent
NEL
15-07-29
ISO/TC 30 Standards
Slide 8
ISO/TC 30/SC 2 Differential pressure meters: technical reports
ISO/TR 15377
DP meters beyond ISO 5167 (2007)
Drain holes, small meters, no upstream/downstream pipeline,
conical entrance, quarter-circle, eccentric orifice plates, Venturi
tubes with 10.5 convergent
0.5
Tappings at 180 deg from drain hole
Tappings at 150 or 155 deg from drain hole
Tappings at 115 or120 deg from drain hole
Tappings at 90 deg from drain hole
CNR: Tappings at 180 deg from drain hole
CNR: Tappings at 90 deg from drain hole
Tappings at 60 deg from drain hole
Possible uncertainty
0.4
0.5
% error in measured flowrate
% error in measured flowrate
1.0
0.0
-0.5
Tappings at 180 deg from drain hole
Tappings at 150 or 155 deg from drain hole
Tappings at 115 or 120 deg from drain hole
Tappings at 90 deg from drain hole
CNR: Tappings at 180 deg from drain hole
CNR: Tappings at 90 deg from drain hole
Tappings at 60 deg from drain hole
Uncertainty in ISO/TR 15377
-1.0
-1.5
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-2.0
-0.5
0.02
0.04
0.06
dh/d
0.08
0.1
0.12
0.02
0.04
0.06
dh/d
0.08
0.1
Current equation
Proposed equation
ISO/TR 3313
Pulsating flow (1998 but withdrawn)
NEL
15-07-29
ISO/TC 30 Standards
Slide 9
0.12
ISO/TC 30/SC 5 Velocity and mass methods
ISO 3354, ISO 3966, ISO 7194
Velocity-area methods (nominally 2008)
ISO 2975
Tracer methods (c 1975)
ISO 6817, ISO 9104, ISO 13359
Electromagnetic meters (c 1992)
ISO/TR 12764 Vortex meters (1997)
ISO 14511
Thermal mass meters (2001)
ISO 17089
Gas ultrasonic meters (2010 and 2012)
ISO 12242
Liquid ultrasonic meters (2012)
ISO 10790
Coriolis meters (2015)
NEL
15-07-29
ISO/TC 30 Standards
Slide 10
Repeatability
For a meter without a flow
calibration test 10 sample
meters
Reproducibility
For a clamp on meter
test on pipes of
different materials
and diameters
Diameter
measurements
Temperature and
pressure correction
(Annex A)
Principles of
measurement
(section 4)
Performance testing
(section 9)
The items that only need to
be done once
Reproducibility
Fluid dynamical
effects: upstream
bends, diameter
steps etc.
ISO 12242
Performance requirement (section 5)
Uncertainty calculation
(section 6)
Examples of
uncertainty
calculations (Annex C)
.
Information flow for all
ultrasonic meters
Installation
(section 7)
qV KK p A wi vi
i 1
Meter characteristics
(section 10)
e.g. Corrosion
protection, software
Failure simulation:
Exchange of
components etc.
Calibration of the
actual meter
(section 9)
The difference
between
conditions in
the laboratory
and the field
Information flow for ultrasonic
meters without a flow calibration.
Information flow for clamp-on
ultrasonic meters
Wall roughness
(Annex B)
Information flow for ultrasonic
meters with a prover
For a meter
without a flow
calibration:
theoretical
prediction
Field
recalibration:
provers
Diagnostics
Operational practice
(section 11)
Audit trail
NEL
15-07-29
ISO/TC 30 Standards
Slide 11
ISO/TC 30/SC 5 Velocity and mass methods
ISO 20456
ISO 12764
ISO 17089-1
NEL
Electromagnetic meters: guidance
Vortex meters
Gas ultrasonic meters custody transfer
15-07-29
ISO/TC 30 Standards
Slide 12
ISO/TC 30/SC 7 Volume methods including water meters
OIML R49
EN ISO 4064 (becomes BS EN ISO 4064)
NEL
Harmonized 2014: identical EN ISO OIML text instead of three documents that were
similar, not identical
Smart meters?
15-07-29
ISO/TC 30 Standards
Slide 13
ISO/TC 30
Policy
New areas
Hydrogen, medical gases, cryogenics, microfluidics?
Interactions
ISO/TC 28 (Petroleum)
ISO/TC 193 (Natural gas)
ISO/TMB
API
EI
Project management
CAG (Chairmans Advisory Group)
Its own standards
ISO 9951 Turbine meters (1993)
Horizontal issues
NEL
15-07-29
ISO/TC 30 Standards
Slide 14
ISO/TC 30: Horizontal issues
ISO 4006 Vocabulary (1991) (VIM has been revised)
ISO 5168 Uncertainties (2005) (GUM is being revised)
ISO 7066-2 Curve fits (1988) (ISO/TR 7066-1 Line fits
withdrawn)
ISO 4185, ISO 8316, ISO 9368-1(c 1985) Calibration methods
Weighing
Volumetric
ISO 11631 Methods of specifying performance (1998)
NEL
15-07-29
ISO/TC 30 Standards
Slide 15
Why should I take part?
All parts of industry (users, researchers,
manufacturers, etc.) are required (start at national
level).
Avoidance of both inaccuracy through inadequate
specification and excessive cost through overspecification is vital.
Accuracy in taxation is of great importance to
Government.
Participation in standards-making is an opportunity
not only to share knowledge but also to gain it.
NEL
15-07-29
ISO/TC 30 Standards
Slide 16
Conclusions
A dynamic work programme
Differential pressure
Ultrasonic
Electromagnetic
Vortex
Great financial significance
NEL
15-07-29
ISO/TC 30 Standards
Slide 17
Acknowledgments
The Engineering and Flow Programme of the
National Measurement Office (BIS)
Members of WGs, SCs and the TC,
especially chairmen, convenors and secretaries
NEL
15-07-29
ISO/TC 30 Standards
Slide 18
