I.S. EN 61920:2004
Current
The latest, up-to-date edition.
INFRARED FREE AIR APPLICATIONS
Hardcopy , PDF
English
01-01-2004
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
4.1 General
4.2 Radiators
4.3 Receivers
5 Classification
5.1 General
5.2 Physical characteristics of radiators
5.2.1 General
5.2.2 Ranges of wavelength (criterion 1)
5.2.3 Ranges of frequency (criterion 2)
5.2.4 Radiant intensity (criterion 3)
5.2.5 Angle of radiation (criterion 4)
5.2.6 Duration of radiation (criterion 5)
5.2.7 Identification example for a radiator
5.3 Physical characteristics of receivers
5.3.1 General
5.3.2 Ranges of wavelength and selectivity
(criterion 6)
5.3.3 Frequency response (criterion 7)
5.3.4 Sensitivity (criterion 8)
5.3.5 Directivity (criterion 9)
5.3.6 Example of a receiver
5.4 Tolerances
5.4.1 Measurement conditions
5.4.2 Tolerances
5.5 Product groups
5.6 User areas
5.7 Graphical representation of IR systems
6 Method for minimizing mutual interferences
7 Marking
8 Relationship between IR basic standard and application
standards
Annex A (informative) Example for possible priorization
Annex B (informative) Examples of lambda/f-diagrams
Annex C (informative) Survey of standardization activities
in the field of infrared
Bibliography
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