Subcommittee Subcommittee Title Published standards Standards under development
ISO/TC 113/SC 1 Velocity area methods 12 5
ISO/TC 113/SC 2 Flow measurement structures 17 1
ISO/TC 113/SC 5 Instruments, equipment and data management 11 3
ISO/TC 113/SC 6 Sediment transport 11 1
ISO/TC 113/SC 8 Ground water 6 0
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Standard and/or project under the direct responsibility of ISO/TC 113 Secretariat Stage ICS
ISO 555-1:1973
Liquid flow measurement in open channels — Dilution methods for measurement of steady flow — Part 1: Constant-rate injection method
95.99
ISO 555-2:1974
Liquid flow measurement in open channels — Dilution methods for measurement of steady flow — Part 2: Integration (sudden injection) method
95.99
ISO 555-2:1987
Liquid flow measurement in open channels — Dilution methods for the measurement of steady flow — Part 2: Integration method
95.99
ISO 555-3:1982
Liquid flow measurement in open channels — Dilution methods for measurement of steady flow — Part 3: Constant rate injection method and integration method using radioactive tracers
95.99
ISO 748:1979
Liquid flow measurement in open channels — Velocity-area methods
95.99
ISO 772:1978
Liquid flow measurement in open channels — Vocabulary and symbols
95.99
ISO 772:1988
Liquid flow measurement in open channels — Vocabulary and symbols
95.99
ISO 772:1996
Hydrometric determinations — Vocabulary and symbols
95.99
ISO 772:1996/Amd 1:2002
Hydrometric determinations — Vocabulary and symbols — Amendment 1: Additional terms and definitions
95.99
ISO 772:1996/Amd 2:2004
Hydrometric determinations — Vocabulary and symbols — Amendment 2
95.99
ISO 772:2011
Hydrometry — Vocabulary and symbols
90.92
ISO/CD 772
Hydrometry — Vocabulary and symbols
30.60
ISO 1070:1973
Liquid flow measurement in open channels — Slope-area method
95.99
ISO 1088:1973
Liquid flow measurement in open channels — Velocity-area methods — Collection of data for determination of errors in measurement
95.99
ISO 1100-1:1981
Liquid flow measurement in open channels — Part 1: Establishment and operation of a gauging station
95.99
ISO 1100:1973
Withdrawal of ISO 1100-1973
95.99
ISO 1438:1975
Liquid flow measurement in open channels using thin-plate weirs and Venturi flumes
95.99
ISO 2425:1974
Measurement of flow in tidal channels
95.99
ISO 2425:1974/Amd 1:1982
Measurement of flow in tidal channels — Amendment 1
95.99
ISO 2537:1985
Liquid flow measurement in open channels — Cup-type and propeller-type current-meters
95.99
ISO 2537:1985/Amd 1:1983
Liquid flow measurement in open channels — Cup-type and propeller-type current-meters — Amendment 1
95.99
ISO 3846:1977
Liquid flow measurement in open channels by weirs and flumes — Free overfall weirs of finite crest width (rectangular broad-crested weirs)
95.99
ISO 4363:1977
Liquid flow measurement in open channels — Methods for measurement of suspended sediment
95.99
ISO 4364:1977
Liquid flow measurement in open channels — Bed material sampling
95.99
ISO 4369:1979
Measurement of liquid flow in open channels — Moving-boat method
90.60
ISO 9196:1992
Liquid flow measurement in open channels — Flow measurements under ice conditions
90.93
ISO/TR 9210:1992
Measurement of liquid flow in open channels — Measurement in meandering rivers and in streams with unstable boundaries
95.99
ISO 9555-1:1994
Measurement of liquid flow in open channels — Tracer dilution methods for the measurement of steady flow — Part 1: General
90.93
ISO 9555-2:1992
Measurement of liquid flow in open channels — Tracer dilution methods for the measurement of steady flow — Part 2: Radioactive tracers
95.99
ISO 9555-3:1992
Measurement of liquid flow in open channels — Tracer dilution methods for the measurement of steady flow — Part 3: Chemical tracers
90.93
ISO 9555-4:1992
Measurement of liquid flow in open channels — Tracer dilution methods for the measurement of steady flow — Part 4: Fluorescent tracers
90.93
ISO 9825:2005
Hydrometry — Field measurement of discharge in large rivers and rivers in flood
90.20
ISO/TR 11656:1993
Measurement of liquid flow in open channels — Mixing length of a tracer
95.99
ISO/CD TR 21044-1
Hydrometry — Stream gauging — Part 1: Fieldwork
30.60
ISO/CD TR 21044-2
Hydrometry — Stream gauging — Part 2: Computation of discharge
30.60
ISO/AWI 23334
Hydrometry— Density of precipitation stations
20.00
ISO/AWI 23607
Hydrometry — Dilution measurements, tracers and applications
20.00
ISO/FDIS 25377
Hydrometric uncertainty guidance (HUG)
50.00
ISO/TS 25377:2007
Hydrometric uncertainty guidance (HUG)
90.92

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