ДСТУ OIML R 140:2014 Вимірювальні системи для газового палива (OIML R 140, еdition 2007, IDT)
ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ
МІНІСТЕРСТВО ЕКОНОМІЧНОГО РОЗВИТКУ І ТОРГІВЛІ УКРАЇНИ
Наказ від 30.12.2014 № 1494
OIML R 140, Еdition 2007
Measuring systems for gaseous fuel
прийнято як національний стандарт
методом «підтвердження» за позначенням
ДСТУ OIML R 140:2014
(OIML R 140, Еdition 2007, IDT)
Вимірювальні системи для газового палива
З наданням чинності від 2016–01–01
Відповідає офіційному тексту
З питань придбання
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до
національного органу стандартизації
(ДП «УкрНДНЦ» http://uas.org.ua)
Contents
Foreword
1 Introduction
2 Scope of application
3 Terminology
T.1 The measuring system and its constituents
T.2 Metrological characteristics
T.3 Tests and test conditions
T.4 Electronic or electrical equipment
4 Description
4.1 Components of a measuring system
4.2 Concept of a measuring system
4.3 Flow measurement
5 Units of measurement and abbreviations
5.1 Units of measurement
5.2 Abbreviations
6 Metrological requirements
6.1 Accuracy classes
6.2 Maximum permissible errors (mpes) for measuring systems
6.3 mpes for modules
6.4 Other metrological performances of a CVDD
6.5 mpes for calculators
6.6 Repeatability error of a metering module
6.7 Endurance of a metering module
6.8 Maximum permissible errors for in service instruments or subsequent verifications
7 Technical requirements for measuring systems
7.1 General
7.2 Metering module
7.3 Converting into volume at base conditions or mass
7.4 Determination of energy
7.5 Marking
7.6 Sealing
8 Technical requirements for meters, metering modules and ancillary devices
8.1 Meters and metering modules
8.2 Indicating device
8.3 Printing device
8.4 Memory device
8.5 Associated measuring instruments
8.6 Volume conversion device
8.7 Calculator
8.8 Calorific value determining device
8.9 Energy conversion device
9 Technical requirements for electronic devices
9.1 General requirements
9.2 Power supply device
9.3 Checking facilities
10 Metrological control
10.1 General
10.2 Type approval
10.3 Initial verification
10.4 Subsequent verifications
10.5 Documented provisions, quality assurance systems and routine controls
Annex A Performance environmental influence tests for electronic measuring systems (Mandatory)
Annex B Influence tests for type approval of metering modules (Mandatory)
Annex C Principles of the modular approach and of error calculation (Mandatory/Informative)
Annex D General considerations on gas measuring systems (Informative)
Annex E Calibration gases (Mandatory/informative)
Annex F Minimum test quantities for measuring systems and devices (Informative)
Annex G Conversion of gas mass to volume at base conditions (Informative)
Annex H Bibliography (Informative)
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