Standard
Track updates
AS/NZS IEC 62471:2011
[Current]Photobiological safety of lamps and lamp systems
Adopts IEC 62471:2006 to provide guidance for evaluating photobiological safety of lamp and lamp systems including luminaries.
Published: 05/12/2011
Pages: 38
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
INTRODUCTION
1 SCOPE
2 NORMATIVE REFERENCES
3 DEFINITIONS, SYMBOLS AND ABBREVIATIONS
4 EXPOSURE LIMITS (EL’S)
4.1 General
4.2 Specific factors involved in the determination and application of retinal exposure limits
4.2.1 Pupil diameter
4.2.2 Angular subtense of source and measurement field-of-view
4.3 Hazard exposure limits
4.3.1 Actinic UV hazard exposure limit for the skin and eye
4.3.2 Near-UV hazard exposure limit for the eye
4.3.3 Retinal blue light hazard exposure limit
4.3.4 Retinal blue light hazard exposure limit - small source
4.3.5 Retinal thermal hazard exposure limit
4.3.6 Retinal thermal hazard exposure limit – weak visual stimulus
4.3.7 Infrared radiation hazard exposure limits for the eye
4.3.8 Thermal hazard exposure limit for the skin
5 MEASUREMENT OF LAMPS AND LAMP SYSTEMS
5.1 Measurement conditions
5.1.1 Lamp ageing (seasoning)
5.1.2 Test environment
5.1.3 Extraneous radiation
5.1.4 Lamp operation
5.1.5 Lamp system operation
5.2 Measurement procedure
5.2.1 Irradiance measurements
5.2.2 Radiance measurements
5.2.2.1 Standard method
5.2.2.2 Alternative method
5.2.3 Measurement of source size
5.2.4 Pulse width measurement for pulsed sources
5.3 Analysis methods
5.3.1 Weighting curve interpolations
5.3.2 Calculations
5.3.3 Measurement uncertainty
6 LAMP CLASSIFICATION
6.1 Continuous wave lamps
6.1.1 Exempt group
6.1.2 Risk Group 1 (Low-Risk)
6.1.3 Risk Group 2 (Moderate-Risk)
6.1.4 Risk Group 3 (High-Risk)
6.2 Pulsed lamps
ANNEX A
Bioeffect datasheet #1: Infrared cataract
A.1 Bioeffect
A.1.1 Organ/Site
A.1.2 Spectral range
A.1.3 Peak of action spectrum
A.1.4 State of knowledge
A.1.5 Time course
A.1.6 Mechanism
A.1.7 Symptoms
A.1.8 Needed information
A.1.9 Experience with lamps
A.1.10 Key references
Bioeffect datasheet #2: Photokeratitis
A.2 Bioeffect
A.2.1 Organ/Site
A.2.2 Spectral range
A.2.3 Peak of action spectrum
A.2.4 State of knowledge
A.2.5 Time course
A.2.6 Mechanism
A.2.7 Symptoms
A.2.8 Needed information
A.2.9 Experience with lamps
A.2.10 Key references
Bioeffect datasheet #3: Photoretinitis
A.3 Bioeffect
A.3.1 Organ/Site
A.3.2 Spectral range
A.3.3 Peak of action spectrum
A.3.4 State of knowledge
A.3.5 Time course
A.3.6 Mechanism
A.3.7 Symptoms
A.3.8 Needed information
A.3.9 Experience with lamps
A.3.10 Key references
Bioeffect datasheet #4: Retinal thermal injury
A.4 Bioeffect
A.4.1 Organ/Site
A.4.2 Spectral range
A.4.3 Peak of action spectrum
A.4.4 State of knowledge
A.4.5 Time course
A.4.6 Mechanism
A.4.7 Symptoms
A.4.8 Needed information
A.4.9 Experience with lamps
A.4.10 Key references
Bioeffect datasheet #5: Ultraviolet cataract
A.5 Bioeftect
A.5.1 Organ/Site
A.5.2 Spectral range
A.5.3 Peak of action spectrum
A.5.4 State of knowledge
A.5.5 Time course
A.5.6 Mechanism
A.5.7 Symptoms
A.5.8 Needed information
A.5.9 Experience with lamps
A.5.10 Key references
Bioeffect datasheet #6: Ultraviolet erythema
A.6 Bioeftect
A.6.1 Organ/Site
A.6.2 Spectral range
A.6.3 Peak of action spectrum
A.6.4 State of knowledge
A.6.5 Time course
A.6.6 Mechanism
A.6.7 Symptoms
A.6.8 Needed information
A.6.9 Experience with lamps
A.6.10 Key references
ANNEX B
B.1 Instrumentation
B.1.1 Double monochromator: Recommended instrument
B.1.2 Broadband detectors
B.2 Instrument limitations
B.2.1 Noise equivalent irradiance
B.2.2 Instrument spectral response
B.2.3 Wavelength accuracy
B.2.4 Stray radiant power
B.2.5 Input optics for spectral irradiance measurements: Recommendation
B.2.6 Linearity
B.3 Calibration sources
ANNEX C
ANNEX D
Cited references in this standard
CIE 17.4-1987
International lighting vocabulary (ILV) – Joint publication IEC/CIE
CIE 53-1982
Methods of characterizing the performance of radiometers and photometers
CIE 63-1984
The spectroradiometric measurement of light sources
CIE 105-1993
Spectroradiometry of pulsed optical radiation sources
Content history
[Current]
AS/NZS IEC 62471:2011 REC:2024
DR AS/NZS IEC 62471
IEC 62471 Ed.1.0 (2006)
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