I.S. EN ISO 4373:2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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HYDROMETRY - WATER LEVEL MEASURING DEVICES
Hardcopy , PDF
13-05-2022
English
01-01-2008
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Instrument specification
4.1 Performance classifications
4.2 General
4.3 Maximum rate of change
4.4 Environment
4.5 Timing
5 Recording
5.1 Chart recorders
5.2 Data loggers
6 Enclosure
7 Installation
8 Estimation of measurement uncertainty
8.1 General
8.2 Type-A estimation
8.3 Type-B estimation
8.4 Level measurement datum
8.5 Combining primary measurement uncertainties
Annex A (informative) - Types of water level measuring devices
A.1 Reference gauges
A.2 Peak level gauges
A.3 Mechanical float and counterweight gauges
A.4 Air reaction gauges
A.5 Electrical pressure transducers
A.6 Echo-location, acoustic instruments
A.7 Echo-location, radar instruments
A.8 Systems using electrical properties
A.9 Recording device
Bibliography
Describes the functional requirements of instrumentation for measuring the level of water surface (stage), primarily for the purpose of determining flow rates.
| DocumentType |
Standard
|
| Pages |
32
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN ISO 4373:2008 | Identical |
| ISO 4373:2008 | Identical |
| IEC 60079-10:2002 | Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas |
| IEC 60529:1989+AMD1:1999+AMD2:2013 CSV | Degrees of protection provided by enclosures (IP Code) |
| 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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