BS EN 60521:1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Class 0.5, 1 and 2 alternating-current watthour meters
Hardcopy , PDF
04-07-2003
BS EN 62053-11:2003+A1:2017
BS EN 62053-24:2015+A1:2017
BS EN 62053-22:2003+A1:2017
BS EN 62053-23:2003+A1:2017
BS EN 62053-21:2003+A1:2017
BS EN 62053-11 : 2003
English
15-09-1995
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Explanatory foreword in relation to Class 0.5 meters
Clause
1. Scope
2. Units
3. Definitions
4. Classification
5. Mechanical requirements
6. Electrical requirements
7. Marking of Meters
8. Accuracy
9. Starting and running with no-load
10. Adjustment
APPENDIX A - Graphical symbols for watthour meters
Annex ZA (normative) Other international publications
quoted in this standard with the
relevant publications
Annex ZB (normative) Special national conditions
TABLES
I. Clearances and creepage distances
II. Standard basic currents
III. Standard reference voltages
IV. Power loss
V. Apparent power loss
VI. Heating
VII. A.C. Voltage tests
VIII. Voltage marking
IX. Voltage and current balance
X. Reference conditions
XI. Percentage error limits (single-phase meters and
polyphase meters balanced loads)
XII. Percentage error limits (polyphase meters carrying
a single-phase load, but with balanced polyphase
voltages applied to voltage circuits)
XIII. Interpretation of test results
XIV. Temperature coefficient
XV. Influence quantities
XVI. Variations due to short-time overcurrents
XVII. Variations due to self-heating
XVIII. Starting currents
XIX. Minimum range of adjustment
Gives type tests for measurement of electrical energy in the frequency range 45 to 65 Hz having a voltage across connection terminals not exceeding 600 V.
| Committee |
PEL/13
|
| DevelopmentNote |
Supersedes BS 5685-1(1979) Inactive for new design. (03/2004)
|
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| NF EN 60521 : 1995 | Identical |
| SN EN 60521 : 1995 | Identical |
| NBN EN 60521 : 1995 | Identical |
| DIN EN 60521 : 1995 | Identical |
| I.S. EN 60521:1995 | Identical |
| EN 60521:1995/corrigendum Dec. 1997 | Identical |
| IEC 60521:1988 | Identical |
| BS EN 60514:1995 | Acceptance inspection of class 2 alternating-current watthour meters |
| BS 7856:1996 | Code of practice for design of alternating current, watthour meters for active energy (classes 1 and 2) |
| BS 7003:1988 | Specification for spring-operated impact-test apparatus and its calibration |
| BS EN 60514:1995 | Acceptance inspection of class 2 alternating-current watthour meters |
| BS 6458-2.1:1984 | Fire hazard testing for electrotechnical products. Test methods Glow-wire test |
| BS EN 60060-2:1995 | High-voltage test techniques Measuring systems |
| BS 5458:1977 | Specification for safety requirements for indicating and recording electrical measuring instruments and their accessories |
| BS 7697:1993 | Nominal voltages for low voltage public electricity supply systems |
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