ДСТУ EN IEC 60051-2:2022 Аналоговые электрические измерительные приборы прямого действия и принадлежности к ним. Часть 2. Специальные требования к амперметрам и вольтметрам (EN IEC 60051-2:2021, IDT; IEC 6005...

ДСТУ EN IEC 60051-2:2022
(EN IEC 60051-2:2021, IDT; IEC 60051-2:2018, IDT)

Аналогові електричні вимірювальні прилади прямої дії та приладдя до них.
Частина 2. Спеціальні вимоги до амперметрів і вольтметрів

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

European foreword

Endorsement notice

Annex ZA (normative) Normative references to international publications with their corresponding European publications

FOREWORD

INTRODUCTION

1 Scope

2 Normative references

3 Terms and definitions

4 Description, classification and compliance

5 Requirements

5.1 Reference conditions

5.2 Limits of intrinsic uncertainty, fiducial value

5.2.1 Limits of intrinsic uncertainty

5.2.2 Correspondence between intrinsic uncertainty and accuracy class

5.2.3 Fiducial value

5.3 Nominal range of use and variations

5.3.1 Nominal range of use

5.3.2 Limits of variations

5.3.3 Conditions for the determination of variations

5.4 Operating uncertainty, overall system uncertainty and variations

5.5 Electrical requirements

5.5.1 Electrical safety requirements

5.5.2 Self-heating

5.5.3 Permissible overloads

5.5.4 Limiting range of temperature

5.5.5 Deviation from zero

5.5.6 Electromagnetic compatibility (EMC)

5.6 Constructional requirements

5.6.1 General constructional requirements

5.6.2 Damping

5.6.3 Sealing to prevent access

5.6.4 Scales

5.6.5 Stopper

5.6.6 Preferred values

5.6.7 Adjusters, mechanical and/or electrical

5.6.8 Effects of vibration and shock

5.6.9 Degrees of protection provided by enclosure

5.6.10 Terminals

6 Information, markings and symbols

6.1 Information

6.2 Markings, symbols and their locations

6.3 Markings relating to the reference values and nominal ranges of use of influence quantities

6.4 The symbols for marking instruments and accessories

6.5 Markings and symbols for terminals

6.5.1 Requirements for markings

6.5.2 Earthing (grounding) terminals

6.5.3 Measuring circuit terminals

6.5.4 Special markings for terminals

6.6 Instructions for use

7 Package

8 Test rules

Annex A (normative) Nonconformity classification of tests

Bibliography