BUREAU OF INDIAN STANDARDS
Programme of Work
WRD1 : Hydrometry
- Scope : Standardization of methods, procedures, instruments and equipment relating to techniques for hydrometric determination of water level, velocity, discharge and sediment transport in open channels and fluid flow in closed conduits, hydrological and meterological investigations.
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Liaison : WMO :ISO/TC 30 - Measurement of fluid flow in closed conduits
ISO/TC 30/SC 2 - Pressure differential devices
ISO/TC 30/SC 5 - Velocity and mass methods
ISO/TC 30/SC 7 - Volume methods including water meters
ISO TC 113 - Hydrometry
ISO TC 113/SC 1 - Velocity area methods
ISO TC 113/SC 2 - Flow measurement structures
ISO TC 113/SC 5 - Instruments, equipment and data management
ISO TC 113/SC 6 - Sediment transport
ISO TC 113/SC 8 - Ground water
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IS 1191 : 2016 Reviewed In : 2021 |
Hydrometry - Vocabulary and symbols(Third Revision)
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March, 2021
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Identical under dual numbering
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IS 1192 : 2013 ISO 748:2007 Reviewed In : 2023 |
Hydrometry - Measurement of liquid flow in open channels using current - Meters or floats (Second Revision)
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January, 2023
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Identical under dual numbering
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IS 1192 : 2024 ISO 748 : 2021 |
Hydrometry — Measurement of Liquid Flow in Open Channels — Velocity Area Methods Using Point Velocity Measurements (Third Revision
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Identical under dual numbering
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IS 1194 : 1960 Reviewed In : 2020 |
Forms for recording measurement of flow of water in open channels
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August, 2020
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Indigenous
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IS 12752 : 2013 ISO 8368: 1999 Reviewed In : 2023 |
Hydrometric determinations - Flow measurements in open channels using structures - Guidelines for selection of structure (First Revision)
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January, 2023
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Identical under dual numbering
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IS 13083 : 2017 Reviewed In : 2022 |
Liquid flow measurement in open channels ? flat - V weirs
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April, 2022
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Identical under dual numbering
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IS 13084 : 1991 ISO 4374:1990 Reviewed In : 2022 |
Liquid flow measurement in open channels - Round - Nose horizontal broad - Crested weirs
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September, 2022
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Identical under dual numbering
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IS 13371 : 2014 ISO 3455 : 2007 Reviewed In : 2023 |
Hydrometry - Calibration of current - Meters in straight open tanks (First Revision)
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December, 2023
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Identical under dual numbering
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IS 14359 : 2014 ISO 4366 : 2007 Reviewed In : 2020 |
Hydrometry - Echo sounders for water depth measurements (First Revision)
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January, 2020
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Identical under dual numbering
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IS 14371 : 2016 ISO 9826 : 1992 Reviewed In : 2021 |
Measurement of liquid flow in open channels - Parshall and saniiri flumes (First Revision)
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March, 2021
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Identical under dual numbering
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IS 14573 : 2014 ISO 1088 Reviewed In : 2020 |
Hydrometry - Velocity - Area methods using current - Meters - Collection and processing of data for determination of uncertainties in flow measurement (First Revision)
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January, 2020
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Identical under dual numbering
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IS 14615 (Part 1) : 2018 ISO 5167-1 : 2003 Reviewed In : 2023 |
Measurement of fluid flow by means of pressure differential devices inserted in circular crossSection conduits running full: Part 1 : general principles and requirements (First Revision)
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March, 2023
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Identical under dual numbering
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IS 14615 (Part 2) : 2018 ISO 5167-2 : 2003 Reviewed In : 2023 |
Measurement of fluid flow by means of pressure differential devices inserted in circular cross -: Sec conduits running full: Part 2 orifice plates
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March, 2023
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Identical under dual numbering
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IS 14615 (Part 3) : 2024 Identical |
Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted In Circular Cross-Section Conduits Running Full Part 3 Nozzles and Venturi Nozzles
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Identical under dual numbering
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IS 14615 (Part 4) : 2018 ISO 5167-4 : 2003 Reviewed In : 2023 |
Measurement of fluid flow by means of pressure differential devices inserted in circular crossSection conduits running full: Part 4 venturi tubes
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March, 2023
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Identical under dual numbering
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IS 14615 (Part 5) : 2019 ISO 5167–5 : 2016 Reviewed In : 2024 Decision taken to Reaffirm and Archive |
Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular Cross-Section Conduits Running Full Part 5 Cone Meters
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March, 2024
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Identical under dual numbering
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IS 14673 : 2022 4360 |
Hydrometry - Open channel flow measurement using triangular profile weirs
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Identical under dual numbering
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IS 14869 : 2016 ISO 4359 : 2013 |
Flow measurement structures - Rectangular, trapezoidal and u - Shaped flumes (First Revision)
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March, 2021
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1
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Identical under dual numbering
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IS 14973 : 2019 ISO 3966:2008 Reviewed In : 2024 |
Measurement of fluid flow in closed conduits - Velocity area method using pitot static tube (First Revision)
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June, 2024
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Identical under dual numbering
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IS 14974 : 2018 ISO 3846:2008 Reviewed In : 2023 |
Hydrometry - Open channel flow measurement using rectangular broad crested weirs (First Revision)
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September, 2023
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Identical under dual numbering
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IS 14975 : 2001 ISO 9827:1994 Reviewed In : 2022 |
Measurement of liquid flow in open channels - Streamlined triangular profile weirs
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March, 2022
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Identical under dual numbering
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IS 15117 : 2018 ISO 4375 : 2014 Reviewed In : 2023 |
Hydrometry - Cableway systems for stream gauging (First Revision)
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November, 2023
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Identical under dual numbering
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IS 15118 : 2014 ISO 4373 : 2008 Reviewed In : 2020 |
Hydrometry - Water level measuring devices (First Revision)
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January, 2020
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Identical under dual numbering
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IS 15119 (Part 2) : 2014 ISO 1100-2 : 2010 Reviewed In : 2023 |
Hydrometry - Measurement of liquid flow in open channels: Part 2 determination of the stage - Discharge relationship (First Revision)
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December, 2023
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Identical under dual numbering
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IS 15122 : 2014 ISO 2425 : 2010 Reviewed In : 2023 |
Measurement of liquid flow in open channels under tidal conditions
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December, 2023
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Identical under dual numbering
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IS 15123 : 2002 ISO 4362:1999 Reviewed In : 2022 |
Hydrometric determinations - Flow measurement in open channels using structures - Trapezoidal broad - Crested weirs
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September, 2022
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Identical under dual numbering
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IS 15124 : 2002 ISO 9195:1992 Reviewed In : 2022 |
Liquid flow measurement in open channels - Sampling and analysis of gravel - Bed material
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September, 2022
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Identical under dual numbering
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IS 15352 : 2018 ISO 6420:2016 Reviewed In : 2023 |
Hydrometry - Position fixing equipment for hydrometric boats (First Revision)
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September, 2023
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Identical under dual numbering
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IS 15353 : 2003 ISO 8333:1985 Reviewed In : 2023 |
Liquid flow measurement in open channels by weirs and flumes - V - Shped broad - Crested weirs
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March, 2023
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Identical under dual numbering
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IS 15358 : 2003 ISO 9196:92 Reviewed In : 2023 |
Liquid flow measurement in open channels - Flow measurements under ice conditions
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March, 2023
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Identical under dual numbering
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IS 15359 : 2003 ISO 11329:01 Reviewed In : 2023 |
Hydrometric determinations - Measurement of suspended sediment transport in tidal channels
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March, 2023
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Identical under dual numbering
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IS 15360 : 2003 Reviewed In : 2023 |
Measurement of liquid flow in open channels - Bed material sampling
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March, 2023
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Not Equivalent
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IS 15362 : 2003 ISO 14139:00 Reviewed In : 2023 |
Hydrometric determinations - Flow measurements in open channels using structures - Compound gauging structures
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March, 2023
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Identical under dual numbering
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IS 15454 : 2004 Reviewed In : 2020 |
Liquid flow measurement in open channels - Velocity - Area method using a restricted number of verticals
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January, 2020
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Modified/Technically Equivalent
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IS 15527 : 2020 ISO/TR 9210 : 2017 Reviewed In : 2020 |
Hydrometry - Measurement in Meandering River and in Streams with Unstable Boundaries ( First Revision )
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Identical under dual numbering
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IS 15646 : 2017 ISO/TR 9824 : 2007 Reviewed In : 2022 |
Hydrometry - Measurement of free surface flow in closed conduits (First Revision)
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December, 2022
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Identical under dual numbering
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IS 15772 : 2014 ISO 9825 : 2005 Reviewed In : 2023 |
Hydrometry - Field measurement of discharge in large rivers and rivers in flood (First Revision)
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December, 2023
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Not Equivalent
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IS 15822 : 2008 Reviewed In : 2022 |
Measurement of liquid flow in open channels - Equipment for the measurement of discharge under ice conditions
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September, 2022
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Not Equivalent
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IS 15823 : 2009 Reviewed In : 2023 |
Hydrometry - Computing stream flow using an unsteady flow model
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March, 2023
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Modified/Technically Equivalent
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IS 15847 : 2020 ISO 9123 : 2017 Reviewed In : 2020 |
Hydrometry - Stage-fall-discharge Relationship ( First Revision )
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Identical under dual numbering
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IS 15873 : 2010 Reviewed In : 2020 |
Hydrometric determination - Unstable channels and ephemeral streams
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January, 2020
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Modified/Technically Equivalent
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IS 15898 (Part 1) : 2012 ISO 9555 _1: 1994 Reviewed In : 2022 |
Measurement of liquid flow in open channels - Tracer dilution methods for the measurement of steady flow: Part 1 general
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March, 2022
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1
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Identical under dual numbering
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IS 15898 (Part 3) : 2011 ISO 9555-3:1992 Reviewed In : 2021 |
Measurement of liquid flow in open channels - Tracer dilution methods for the measurement of steady flow: Part 3 chemical tracers
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March, 2021
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Identical under dual numbering
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IS 15898 (Part 4) : 2012 ISO 9555_4 : 1992 Reviewed In : 2022 |
Measurement of liquid flow in open channels - Tracer dilution methods for the measurement of steady flow: Part 4 fluorescent tracers
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March, 2022
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Identical under dual numbering
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IS 16091 : 2013 Reviewed In : 2023 |
Measurement of liquid flow in open channels - Method of specifying performance of hydrometric equipment
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December, 2023
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Modified/Technically Equivalent
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IS 16138 : 2013 ISO/TS 15768:2000 Reviewed In : 2023 |
Measurement of liquid velocity in open channels - Design, selection and use of electromagnetic current meters
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December, 2023
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Identical under dual numbering
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IS 16222 : 2018 ISO/TR 9212 : 2015 Reviewed In : 2023 |
Hydrometry - Methods of measurement of bedload discharge (First Revision)
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June, 2023
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Identical under dual numbering
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IS 16223 : 2014 ISO 15769 : 2010 Reviewed In : 2023 |
Hydrometry - Guidelines for the application of acoustic velocity meters using the doppler and echo correlation methods
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December, 2023
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Identical under dual numbering
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IS 16274 : 2018 ISO/TS 24155 : 2016 Reviewed In : 2023 |
Hydrometry - Hydrometric data transmission systems - Specification of system requirements (First Revision)
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September, 2023
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Identical under dual numbering
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IS 16364 : 2017 Reviewed In : 2022 |
Hydrometric uncertainity - Guidance (Hug)
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March, 2022
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Modified/Technically Equivalent
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IS 16571 : 2017 ISO 4369 : 1979 Reviewed In : 2022 |
Measurement of liquid flow in open channels - Moving - Boat method
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December, 2022
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Identical under dual numbering
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IS 16696 : 2018 ISO 11657: 2014 Reviewed In : 2023 |
Hydrometry - Suspended sediment in streams and canals - Determination of concentration by surrogate techniques
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January, 2023
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Identical under dual numbering
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IS 16697 : 2018 ISO 13550 : 2002 Reviewed In : 2023 |
Hydrometric determinations - Flow measurements in open channels using structures - Use of vertical underflow gates
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March, 2023
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Identical under dual numbering
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IS 16698 : 2019 ISO 18365 : 2013 Reviewed In : 2024 Decision taken to Reaffirm and Archive |
Hydrometry - Selection, establishment and operation of a gauging station
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March, 2024
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Identical under dual numbering
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IS 16725 (Part 1) : 2014 Reviewed In : 2024 |
Hydrometry — Acoustic Doppler Profiler — Method and Application for Measurement of Flow in Open Channels
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September, 2024
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IS 16804 : 2018 ISO 26906 : 2015 Reviewed In : 2023 |
Hydrometry - Fish passes at flow measurement structures
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November, 2023
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Identical under dual numbering
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IS 16849 : 2018 ISO/TR 11651 : 2015 Reviewed In : 2023 |
Estimation of sediment deposition in reservoir deposition using one dimensional simulation models
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November, 2023
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Identical under dual numbering
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IS 17271 : 2020 ISO 6416 : 2017 Reviewed In : 2020 |
Hydrometry — Measurement of Discharge by Ultrasonic Transit Time ( Time of Flight ) Method
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Identical under dual numbering
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IS 17272 : 2021 ISO/TR 19234 : 2016 |
Hydrometry - Low Cost Baffle Solution to Aid Fish Passage at Triangular Profile Weirs that Conform to ISO 4360
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Identical under dual numbering
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IS 17273 : 2021 ISO 4006 : 1991 |
Measurement of Fluid Flow in Closed Conduits - Vocabulary and Symbols
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IS 17287 : 2021 ISO 4185 : 1980 |
Measurement of Fluid Flow in Closed Conduits - Weighing Method
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Identical under dual numbering
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IS 17288 : 2021 ISO 5168 : 2005 |
Measurement of Fluid Flow - Procedures for Evaluation of Uncertainties
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Identical under dual numbering
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IS 17289 : 2021 ISO 8316 : 1987 |
Measurement of Liquid Flow in Closed Conduits - Method by Collection of the Liquid in a Volumetric Tank
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Identical under dual numbering
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IS 17290 (Part 1) : 2021 ISO 9368-1 : 1990 |
Measurement of Liquid Flow in Closed Conduits by Weighing Method - Procedures for Checking Installations Part 1 Static Weighing Systems
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Identical under dual numbering
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IS 17484 : 2020 ISO 18481 : 2017 |
Hydrometry - Liquid Flow Measurement Using End Depth Method in Channels with a Free Overfall
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Identical under dual numbering
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IS 17485 : 2020 ISO 2975-1 : 1974 |
Measurement of Water Flow in Closed Conduits - Tracer Method Part 1 General
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Identical under dual numbering
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IS 17485 (Part 2) : 2021 ISO 2975 Part 2: 197 |
Measurement of water flow in closed conduits- Tracer Method Part 2 : Constant rate injection method using non-radioactive tracers Adoption of ISO 2975-2:1975
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Identical under dual numbering
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IS 17485 (Part 3) : 2021 ISO 2975 -3 :1976 |
Measurement of water flow in closed conduits- Tracer Method Part 3 : Constant rate injection method using radioactive tracers Adoption of ISO 2971-3:1976
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Identical under dual numbering
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IS 17485 (Part 6) : 2021 ISO 2975 Part 6: 197 |
Measurement of water flow in closed conduits- Tracer Method Part 6 : Transit time method using non-radioactive tracers Adoption of ISO 2971-6:1977
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Identical under dual numbering
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IS 17485 (Part 7) : 2021 ISO 2975 Part 7: 197 |
Measurement of water flow in closed conduits- Tracer Method Part 7 : Transit time method using radioactive tracers Adoption of ISO 2971-7:1977
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Identical under dual numbering
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IS 2912 : 2022 1070 |
Liquid flow measurement in open channels-slope-area method
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Identical under dual numbering
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IS 2951 (Part 1) : 1965 Reviewed In : 2022 |
Recommendation for estimation of flow of liquids in closed conduits: Part i head loss in straight pipes due to frictional resistance
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September, 2022
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Indigenous
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IS 2951 (Part 2) : 1965 Reviewed In : 2022 |
Recommendation for estimation of flow of liquids in closed conduits: Part 2 head loss in valves and fittings
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September, 2022
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1
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Indigenous
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IS 3910 : 2013 ISO 2537:2007 Reviewed In : 2023 |
Hydrometry - Rotating - Element current - Meters (Second Revision)
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January, 2023
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Identical under dual numbering
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IS 3911 : 1994 Reviewed In : 2020 |
Surface floats - Functional requirements (First Revision)
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January, 2020
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Indigenous
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IS 3912 : 2013 ISO 3454: 2008 Reviewed In : 2023 |
Hydrometry - Direct depth sounding and suspension equipment (Second Revision)
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January, 2023
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Identical under dual numbering
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IS 3913 : 2014 Reviewed In : 2020 |
Hydrometry - Functional requirements and characteristics of suspended - Sediment samplers (Second Revision)
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March, 2020
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Modified/Technically Equivalent
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IS 3917 : 2003 ISO 4364 Reviewed In : 2023 |
Scoop type bed material samplers - Specification (First Revision)
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March, 2023
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Identical under dual numbering
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IS 3918 : 1966 Reviewed In : 2020 |
Code of practice for use of current meter (Cup Type) for water flow measurement
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August, 2020
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1
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Indigenous
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IS 4073 : 1967 Reviewed In : 2020 |
Specification for fish weights
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August, 2020
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-
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Indigenous
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IS 4080 : 1994 Reviewed In : 2020 |
Vertical staff gauges - Functional requirements (First Revision)
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January, 2020
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-
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Indigenous
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IS 4477 (Part 2) : 1975 Reviewed In : 2020 |
Method of measurement of fluid flow by means of venturi meters: Part ii compressible fluids
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August, 2020
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-
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Indigenous
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IS 4858 : 1968 Reviewed In : 2020 |
Specification for velocity rods
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August, 2020
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-
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Indigenous
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IS 4890 : 1968 Reviewed In : 2020 |
Methods for measurement of suspended sediment in open channels
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August, 2020
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1
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Not Equivalent
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IS 4986 : 2002 Reviewed In : 2022 |
Installation of raingauge (Non - Recording Type) and measurement of rain - Code of practice (Second Revision)
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September, 2022
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-
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Indigenous
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IS 4987 : 1994 Reviewed In : 2020 |
Recommendations for establishing network of raingauge stations (First Revision)
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January, 2020
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-
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Indigenous
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IS 5542 : 2003 Reviewed In : 2020 |
Guide for storm analysis (First Revision)
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January, 2020
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-
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Indigenous
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IS 6062 : 1971 Reviewed In : 2020 |
Method of measurement of flow of water in open channels using standing wave flume - Fall
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January, 2020
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-
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Indigenous
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IS 6063 : 1971 Reviewed In : 2020 |
Method of measurement of flow of water in open channels using standing wave flume
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January, 2020
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-
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Indigenous
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IS 6064 : 1971 Reviewed In : 2020 |
Specification for sounding and suspension equipment
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August, 2020
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-
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Indigenous
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IS 6339 : 2013 Reviewed In : 2023 |
Hydrometry - Sediment in streams and canals - Determination of concentration, particle size distribution and relative density (First Revision)
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January, 2023
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-
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Not Equivalent
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IS 8389 : 2003 Reviewed In : 2023 |
Installation and use of raingauges, recording - Code of practice (Second Revision)
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March, 2023
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-
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Indigenous
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IS 9108 : 2020 ISO 1438 : 2017 Reviewed In : 2020 |
Hydrometry — Open Channel Flow Measurement Using Thin-Plate Weirs ( Second Revision )
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-
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-
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Identical under dual numbering
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IS 9115 : 2002 Reviewed In : 2022 |
Method for estimation of incompressible fluid flow in closed conduits by bend meters (first Revision)
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September, 2022
|
-
|
Indigenous
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IS 9116 : 2002 Reviewed In : 2022 |
Water stage recorder (Float Type) - Specification (First Revision)
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September, 2022
|
-
|
Indigenous
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IS 9118 : 1979 Reviewed In : 2020 |
Method for measurement of pressure by means of manometers
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August, 2020
|
1
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Indigenous
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IS 9119 : 1979 Reviewed In : 2021 |
Method of flow estimation by jet characteristics (Approximate Method)
|
March, 2021
|
-
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Indigenous
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| No Records Found |
| No Records Found |
| No Records Found |
| No Records Found | ||
WRD 1 (20496)
Revision of: IS 1191:2016 |
HYDROMETRY VOCABULARY AND SYMBOLS |
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WRD 1 (23843)
Revision of: IS 4890:1968 |
Methods for Measurement of Suspended Sediment in Open Channels |
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WRD 1 (19429)
Revision of: IS 9119:1979 |
METHOD OF FLOW ESTIMATION BY JET CHARACTERISTICS APPROXIMATE METHODS | |
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WRD 1 (20332)
Revision of: IS 13371:2014 |
Hydrometry - Calibration of current - Meters in straight open tanks | |
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WRD 1 (20347)
Revision of: IS 14973:2019 |
Measurement of Fluid Flow in Closed Conduits Velocity Area Method Using Pitot Static Tube | |
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WRD 1 (20512)
Revision of: IS 3913:2014 |
HYDROMETRY FUNCTIONAL REQUIREMENTS AND CHARACTERISTICS OF SUSPENDED- SEDIMENT SAMPLERS | |
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WRD 1 (21458)
Revision of: IS 12752:2013 |
Hydrometric Determinations Flow Measurement in Open Channels Using Structures Guidelines for Selection of Structure Second Revision | |
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WRD 1 (22021)
Revision of: IS 4080:1994 |
VERTICAL STAFF GAUGES-FUNCTIONAL REQUIREMENTS SECOND REVISION | |
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WRD 1 (22063)
Revision of: IS 14615:2018 |
Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted In Circular Cross Section Conduits Running Full Part 1 General Principles And Requirements Second Revision | |
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WRD 1 (22064)
Revision of: IS 14615:2018 |
Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted In Circular Cross Section Conduits Running Full Part 4 Venturi Tubes | |
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WRD 1 (22080)
Revision of: IS 14615:2018 |
Measurement of fluid flow by means of pressure differential devices inserted in circular cross - Sec conduits running full Part 2 orifice plates | |
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WRD 1 (23721)
Revision of: IS 14869:2016 |
FLOW MEASUREMENT STRUCTURES RECTANGULAR TRAPEZOIDAL AND U-SHAPED FLUMES | |
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WRD 1 (23881)
Revision of: IS 16725:2014 |
Hydrometry Acoustic Doppler profiler Method and application for measurement of flow in open channels from a moving boat |
|
|
IS 1193 : 1959 |
Methods for Measurements of Flow of Water in Open Channels Using Notches Weirs and Flumes |
|
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IS 14574 : 1998 ISO 4371:1984 Reviewed In : 2020 |
Measurement of liquid flow in open channels by weirs and flumes - End depth method for estlMation of flow in non - Rectangular channels with a free overfall Approximate Method |
|
|
IS 15119 (Part 1) : 2002 ISO 1100-1:1996 Reviewed In : 2017 |
Measurement of Liquid Flow in Open Channels - Part 1 Establishment and Operation of a Gauging Station |
|
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IS 15646 (Part 1) : 2006 Reviewed In : 2016 |
Measurements of free surface flow in closed conduits Part 1 Methods |
|
|
IS 15646 (Part 2) : 2006 Reviewed In : 2016 |
Measurements of free surface flow in closed conduits Part 2 Equipment |
|
|
IS 2913 : 1964 Reviewed In : 1995 |
Recommendation for determination of flow in tidal channels |
|
|
IS 2914 : 1964 Reviewed In : 1998 |
Recommendations for Estimation of Discharges by Establishing Stage-discharge Relation in Open Channels |
|
|
IS 2915 : 1965 |
Instructions for Collection of Data for the Determination fof Error in Measurement of Flow by Velocity Area Methods |
|
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IS 2952 (Part 1) : 1964 |
Recommendation for Methods of Measurement of Fluid Flow by Means of Orifice Plates and Nozzles - Part I Incompressible Fluids |
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IS 2952 (Part 2) : 1975 |
Recommendations for methods of measurement of liquid flow by means of orifice plates and nozzles Part 2 Compressible fluids |
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IS/ISO 4362 : 1992 |
Measurement of Liquid flow in Open Channels - Trapezoidal Profile Weirs |
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IS 4477 (Part 1) : 1967 Reviewed In : 2000 |
Method of Measurement of Fluid Flow by Means of Venturi Meters - Part I Liquids |
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IS 6059 : 1971 Reviewed In : 1998 |
Recommendations for liquid flow measurement in open channels by weirs and flumes - weirs of finite crest width for free discharge |
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IS 6330 : 2012 ISO 3847 : 1977 Reviewed In : 2022 |
Liquid flow measurement in open channels by weirs and flumes - End - Depth method for estimation of flow in rectangular channels with a free overfall First Revision |
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IS 9117 : 1979 Reviewed In : 1990 |
Reccomendation for Liquid Flow Measurement in Open Channels by Weirs and Flumes - End Depth Method for Eastimation of Flow in non Rectangulars Channels with a Free Overall Approximate Method |
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IS 9163 (Part 1) : 1979 ISO 9555-1 Reviewed In : 2011 |
Dilution Methods for Measurement of Steady Flow - Part I Constant Rate Injection Method |
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IS 9922 : 2010 Reviewed In : 2015 |
Measurement of Liquid Flow in Open Channels - General Guidelines for Selection of Method |
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IS 3917 : 2003 ISO 4364 Reviewed In : 2023 |
Scoop type bed material samplers - Specification First Revision |
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IS 4073 : 1967 Reviewed In : 2020 |
Specification for fish weights |
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IS 4477 (Part 2) : 1975 Reviewed In : 2020 |
Method of measurement of fluid flow by means of venturi meters Part ii compressible fluids |
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IS 4858 : 1968 Reviewed In : 2020 |
Specification for velocity rods |
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IS 6064 : 1971 Reviewed In : 2020 |
Specification for sounding and suspension equipment |
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IS 9116 : 2002 Reviewed In : 2022 |
Water stage recorder Float Type - Specification First Revision |