EN ISO 748:2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Hydrometry - Measurement of liquid flow in open channels using current-meters or floats (ISO 748:2007)
13-12-2021
15-10-2007
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle of the methods of measurements
5 Selection and demarcation of site
6 Measurement of cross-sectional area
7 Measurement of velocity
8 Computation of discharge
9 Uncertainties in flow measurement
Annex A (informative) - Correction for sag, pull,
slope and temperature in measurement of
cross-section width by tape or wire
Annex B (informative) - Distance measurement
across the cross-section
Annex C (informative) - Corrections for wetted
length of wire when measuring depths with
wire not normal to surface
Annex D (informative) - Correction for drift
Annex E (informative) - Uncertainties in the velocity-area
measurement
Annex F (informative) - Determination of mean velocity
from float measurements
Bibliography
ISO 748:2007 specifies methods for determining the velocity and cross‑sectional area of water flowing in open channels without ice cover, and for computing the discharge therefrom.ISO 748:2007 covers methods of employing current‑meters or floats to measure the velocities. It deals only with single measurements of the discharge; the continuous recording of discharges over a period of time is covered in ISO 1100-1 and ISO 1100-2.
Committee |
CEN/TC 318
|
DocumentType |
Standard
|
PublisherName |
Comite Europeen de Normalisation
|
Status |
Superseded
|
SupersededBy |
Standards | Relationship |
DIN EN ISO 748:2008-02 | Identical |
DS EN ISO 748 : 2007 | Identical |
ONORM EN ISO 748 : 2008 | Identical |
NEN EN ISO 748 : 2007 | Identical |
SN EN ISO 748:2007 | Identical |
I.S. EN ISO 748:2007 | Identical |
UNE-EN ISO 748:2009 | Identical |
NF EN ISO 748 : 2009 | Identical |
ISO 748:2007 | Identical |
NBN EN ISO 748 : 2007 | Identical |
UNI EN ISO 748 : 2008 | Identical |
PN EN ISO 748 : 2009 | Identical |
NS EN ISO 748 : 2ED 2007 | Identical |
BS EN ISO 748:2007 | Identical |
08/30165047 DC : DRAFT JUNE 2008 | BS EN ISO 9906 - ROTODYNAMIC PUMPS - HYDRAULIC PERFORMANCE ACCEPTANCE TESTS |
DIN EN ISO 6416:2016-01 (Draft) | HYDROMETRY - MEASUREMENT OF DISCHARGE BY THE ULTRASONIC (ACOUSTIC) METHOD |
DIN EN ISO 6416:2005-11 | HYDROMETRY - MEASUREMENT OF DISCHARGE BY THE ULTRASONIC (ACOUSTIC) METHOD |
ISO 5168:2005 | Measurement of fluid flow — Procedures for the evaluation of uncertainties |
ISO 1100-2:2010 | Hydrometry Measurement of liquid flow in open channels Part 2: Determination of the stage-discharge relationship |
ISO 4373:2008 | Hydrometry Water level measuring devices |
ISO 3454:2008 | Hydrometry — Direct depth sounding and suspension equipment |
ISO 4369:1979 | Measurement of liquid flow in open channels Moving-boat method |
ISO/TS 15768:2000 | Measurement of liquid velocity in open channels — Design, selection and use of electromagnetic current meters |
ISO 4366:2007 | Hydrometry — Echo sounders for water depth measurements |
ISO 1088:2007 | Hydrometry Velocity-area methods using current-meters Collection and processing of data for determination of uncertainties in flow measurement |
ISO/TR 9209:1989 | Measurement of liquid flow in open channels Determination of the wetline correction |
ISO 1100-1:1996 | Measurement of liquid flow in open channels Part 1: Establishment and operation of a gauging station |
ISO 4375:2014 | Hydrometry Cableway systems for stream gauging |
ISO 2537:2007 | Hydrometry — Rotating-element current-meters |
ISO 9196:1992 | Liquid flow measurement in open channels — Flow measurements under ice conditions |
ISO 772:1996 | Hydrometric determinations — Vocabulary and symbols |
ISO 3455:2007 | Hydrometry Calibration of current-meters in straight open tanks |
ISO/IEC Guide 98-3:2008 | Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) |
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