IEC 62828-5:2020

Reference conditions and procedures for testing industrial and process measurement transmitters - Part 5: Specific procedures for flow transmitters

IEC 62828-5:2020

Name:IEC 62828-5:2020   Standard name:Reference conditions and procedures for testing industrial and process measurement transmitters - Part 5: Specific procedures for flow transmitters
Standard number:IEC 62828-5:2020   language:English and French language
Release Date:17-Aug-2020   technical committee:SC 65B - Measurement and control devices
Drafting committee:WG 6 - TC 65/SC 65B/WG 6   ICS number:01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION

IEC 62828-5
Edition 1.0 2020-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Reference conditions and procedures for testing industrial and process
measurement transmitters –
Part 5: Specific procedures for flow transmitters

Conditions de référence et procédures pour l'essai des transmetteurs
de mesure industriels et de processus –
Partie 5: Procédures spécifiques pour les transmetteurs de débit





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IEC 62828-5
Edition 1.0 2020-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Reference conditions and procedures for testing industrial and process

measurement transmitters –
Part 5: Specific procedures for flow transmitters

Conditions de référence et procédures pour l'essai des transmetteurs

de mesure industriels et de processus –

Partie 5: Procédures spécifiques pour les transmetteurs de débit

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.200.20; 25.040.40 ISBN 978-2-8322-8758-3

– 2 – IEC 62828-5:2020 © IEC 2020
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
3.1 Terms related to the flow transmitters . 7
3.2 Terms related to the flow velocity . 9
3.3 Reference to the IEC common data dictionary (CDD) . 10
4 General description of the device . 10
4.1 General . 10
4.2 Differential pressure flowmeters . 10
4.3 Velocity flowmeters . 10
4.4 Volumetric flowmeters . 10
4.5 Mass flowmeters . 11
5 Reference test conditions and service conditions . 11
6 Test procedures . 11
6.1 General . 11
6.2 Tests at standard and operating reference test conditions. 11
6.2.1 General requirements . 11
6.2.2 Requirements with different test fluids . 12
6.2.3 Accuracy and related factors . 14
6.2.4 Dynamic behaviour . 20
6.2.5 Static behaviour . 20
6.3 Type tests at operating test conditions . 22
6.4 Routine test . 22
6.5 Acceptance, integration and maintenance tests for flow transmitters . 22
7 Documentation . 22
7.1 Documentation of the test results . 22
7.2 Determination of the total probable error (TPE) . 22
7.3 Examples for the estimation of the TPE of flow transmitters . 23
Annex A (normative) Summary of the tests . 24
Annex B (normative) Calibration of flow transmitters and calibration report . 25
Annex C (informative) Information on calibration of flow transmitters and calibration
report . 26
C.1 General . 26
C.2 Calibration methods . 26
C.2.1 Gravimetric . 26
C.2.2 Volumetric . 26
C.2.3 Master meter . 26
C.3 Calibration procedure . 27
C.3.1 Setup before calibration run . 27
C.3.2 Calibration run . 28
C.3.3 After calibration run . 28
C.4 Guideline for choosing appropriate rates . 28
Annex D (informative) Relationship between typical flow transmitter and normative
references . 30

Annex E (informative) Cautions and notes for the acceptance tests on the site or at
the factory . 31
E.1 General . 31
E.2 Cautions and notes . 31
E.2.1 Power supply for flow transmitters, pump and the flow generating unit . 31
E.2.2 Flow condition . 31
E.2.3 Temperature of the measurand . 31
E.2.4 Material selection . 31
E.2.5 Accuracy comparing with the other value . 32
Bibliography . 33

Figure C.1 – Example of calibration methods . 27
Figure C.2 – Example of the calibration/test flow . 29

Table 1 – Stability requirements during the measurement . 12
Table 2 – Reference conditions for TPE determination . 22
Table A.1 – Overview of the required tests for different measurement principles . 24
Table D.1 – Relationship between typical flow transmitter and normative references . 30

– 4 – IEC 62828-5:2020 © IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
REFERENCE CONDITIONS AND PROCEDURES FOR TESTING
INDUSTRIAL AND PROCESS MEASUREMENT TRANSMITTERS –

Part 5: Specific procedures for flow transmitters

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governm
...

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