BS ISO 1438:2017
Current
The latest, up-to-date edition.
Hydrometry. Open channel flow measurement using thin-plate weirs
Hardcopy , PDF
English
28-06-2017
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Principle
6 Installation
7 Measurement of head
8 Maintenance
9 Rectangular thin-plate weir
10 Triangular-notch thin-plate weir
11 Uncertainties of flow measurement
12 Example
Annex A (informative) - Flow measurement with
small weir tanks
Annex B (normative) - Guide to the design and
installation of a flow straightener
Annex C (informative) - Introduction to measurement
uncertainty
Annex D (informative) - Sample measurement
performance for use in hydrometric worked
examples
Annex E (informative) - Specimen tables
Bibliography
Describes the requirements for the use of rectangular and triangular (V-notch) thin-plate weirs for the measurement of flow of clear water in open channels under free flow conditions.
| Committee |
CPI/113/9
|
| DevelopmentNote |
Supersedes BS 3680-4A(1981) & 05/30140799 DC. (05/2008) Supersedes 16/30301971 DC. (07/2017)
|
| DocumentType |
Standard
|
| Pages |
72
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 1438:2017 | Identical |
| ISO/IEC 17025:2005 | General requirements for the competence of testing and calibration laboratories |
| ISO 18365:2013 | Hydrometry — Selection, establishment and operation of a gauging station |
| ISO 4373:2008 | Hydrometry — Water level measuring devices |
| ISO/TS 25377:2007 | Hydrometric uncertainty guidance (HUG) |
| ISO 772:1996 | Hydrometric determinations — Vocabulary and symbols |
| 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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