I.S. EN 62471:2008
Current
The latest, up-to-date edition.
PHOTOBIOLOGICAL SAFETY OF LAMPS AND LAMP SYSTEMS
Hardcopy , PDF
English
01-01-2008
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
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
5.2.3 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 (informative) SUMMARY OF BIOLOGICAL EFFECTS
Bioeffect datasheet #1: Infrared cataract
Bioeffect datasheet #2: Photokeratitis
Bioeffect datasheet #3: Photoretinitis
Bioeffect datasheet #4: Retinal thermal injury
Bioeffect datasheet #5: Ultraviolet cataract
Bioeffect datasheet #6: Ultraviolet erythema
ANNEX B (informative) MEASUREMENT METHOD
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 (informative) UNCERTAINTY ANALYSIS
ANNEX D (informative) GENERAL REFERENCES
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
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