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UNI EN ISO 4373 : 2009

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

HYDROMETRY - WATER LEVEL MEASURING DEVICES
Superseded date

15-06-2022

Published date

01-01-2009

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 devices
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
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
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Superseded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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