BSI 16/30336194 DC:2016 Edition
$13.70
BS EN 60051-2. Direct acting indicating analogue electrical measuring instruments and their accessories. Part 2. Special requirements for ammeters and voltmeters
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 20 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | FOREWORD |
| 8 | INTRODUCTION |
| 9 | 1. Scope 2. Normative references 3. Terms and definitions 4. Description, classification and compliance |
| 10 | 5. Requirements 1 2 3 4 5 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 5.2.3.1 General 5.2.3.2 The upper limit of the measuring range for the following: 5.2.3.3 The sum of the electrical values: 5.2.3.4 The span for an instrument: |
| 11 | 5.2.3.5 The fiducial value for an ammeter with overload scale or an expanded scale voltmeter: 5.2.3.6 The fiducial value for an instrument with a special arrangement of scale marks: 5.3 Nominal range of use and variations 5.3.1 Nominal range of use |
| 13 | 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 |
| 14 | 5.5.2 Self-heating 5.5.3 Permissible overload 5.5.3.1 Continuous overload 5.5.3.2 Overloads of short duration |
| 15 | 5.5.4 Limiting range of temperature 5.5.5 Deviation from zero 5.5.6 Electromagnetic compatibility (EMC) |
| 16 | 5.6 Constructional requirements 5.6.1 General constructional requirements 5.6.2 Damping 5.6.2.1 General 5.6.2.2 Overshoot 5.6.2.3 Response time 5.6.2.4 Impedance of the external measuring circuit |
| 17 | 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 |
| 18 | 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 6.5.4.1 Single range d.c. ammeters and voltmeters 6.5.4.2 Multi-range d.c. ammeters and voltmeters 6.5.4.3 Single range a.c. ammeters and voltmeters |
| 19 | 6.5.4.4 Multi-range a.c. ammeters and voltmeters 6.6 Instructions for use 7 Package 8 Test rules |
| 20 | Annex A (normative) Nonconformity classification of tests |
