HD 60027-3 : 200S1

Superseded

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LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 3: LOGARITHMIC AND RELATED QUANTITIES, AND THEIR UNITS

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Superseded date: 01-01-2007

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Published date: 12-01-2013

Publisher: European Committee for Standards - Electrical

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Table of Contents - (Show below) - (Hide below)

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

Abstract - (Show below) - (Hide below)

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.

General Product Information - (Show below) - (Hide below)

Committee	SR 25
Development Note	Supersedes HD 245.3 (02/2004) Supersedes UNE 21405-3. (02/2007)
Document Type	Standard
ISBN
Pages
Published
Publisher	European Committee for Standards - Electrical
Status	Superseded
Superseded By	EN 60027-3 : 2007
Supersedes	HD 245.3 : 200S3

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Equivalent Standard(s)	Relationship
DIN IEC 60027-3:2004-07	Identical
IEC 60027-3:2002	Identical
CEI 25-9 : 1ED 2005	Identical
PN HD 60027-3 : 2006	Identical
NEN HD 60027-3 : 2004	Identical
I.S. HD 60027-3:2004	Identical

Standards Referencing This Book - (Show below) - (Hide below)

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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