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CENELEC
EN 60027-3:2007

EN 60027-3:2007

Current

Current

The latest, up-to-date edition.

Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units

Published date

05-01-2007

Publisher

European Committee for Standards - Electrical

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FOREWORD
1 Scope
2 Normative references
3 Logarithmic quantities
4 Logarithmic ratios of field quantities and power
  quantities
  4.1 Logarithmic ratios of field quantities
  4.2 Logarithmic ratios of power quantities
  4.3 Levels
  4.4 Additional information on logarithmic ratios
      of field quantities and power quantities
5 Logarithmic information-theory quantities
6 Other logarithmic quantities
  6.1 General
  6.2 Logarithmic frequency interval
7 Names, symbols, and definitions
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Applies to logarithmic quantities and units. Quantities that can be expressed as the logarithm of a dimensionless quantity, such as the ratio of two physical quantities of the same kind, can be regarded and treated in different ways. In many cases, differences do not affect practical treatment.

Committee
CLC/SR 25
DevelopmentNote
Supersedes HD 60027-3. (01/2007)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current
Supersedes

CEI UNI EN 80000-13 : 2009 QUANTITIES AND UNITS - PART 13: INFORMATION SCIENCE AND TECHNOLOGY
CEI EN 61310-2 : 2008 SAFETY OF MACHINERY - INDICATION, MARKING AND ACTUATION - PART 2: REQUIREMENTS FOR MARKING
BS EN 80000-13:2008 Quantities and units Information science and technology
EN 60027-2:2007 Letter symbols to be used in electrical technology - Part 2: Telecommunications and electronics
OVE/ONORM EN 60027-2 : 2007 LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 2: TELECOMMUNICATIONS AND ELECTRONICS
BS EN 60027-2:2007 Letter symbols to be used in electrical technology Telecommunications and electronics
I.S. EN 60027-2:2007 LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 2: TELECOMMUNICATIONS AND ELECTRONICS
UNI CEI EN 80000-13 : 2009 QUANTITIES AND UNITS - PART 13: INFORMATION SCIENCE AND TECHNOLOGY
I.S. EN 61310-2:2008 SAFETY OF MACHINERY - INDICATION, MARKING AND ACTUATION - PART 2: REQUIREMENTS FOR MARKING
BS EN 61310-2:2008 Safety of machinery. Indication, marking and actuation Requirements for marking
BS EN 62522:2014 Calibration of tuneable laser sources
I.S. EN 80000-13:2008 QUANTITIES AND UNITS - PART 13: INFORMATION SCIENCE AND TECHNOLOGY
EN 80000-13:2008 Quantities and units - Part 13: Information science and technology
EN 62522:2014 Calibration of tuneable laser sources
EN 61310-2:2008 Safety of machinery - Indication, marking and actuation - Part 2: Requirements for marking

HD 60027-2 : 200S1 LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 2: TELECOMMUNICATIONS AND ELECTRONICS
ISO 31-11:1992 Quantities and units Part 11: Mathematical signs and symbols for use in the physical sciences and technology
ISO 31-0:1992 Quantities and units Part 0: General principles
ISO 31-2:1992 Quantities and units Part 2: Periodic and related phenomena
IEC 60027-2:2005 Letter symbols to be used in electrical technology - Part 2: Telecommunications and electronics
ISO/IEC 2382-16:1996 Information technology Vocabulary Part 16: Information theory

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