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BS EN 207:2017 – TC:2020 Edition

BS EN 207:2017 – TC:2020 Edition

$186.33

Tracked Changes. Personal eye-protection equipment. Filters and eye-protectors against laser radiation (laser eye-protectors)

Published By Publication Date Number of Pages
BSI 2020 69
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This European Standard applies to eye-protectors used for protection against accidental exposure to laser radiation as defined in EN 60825-1:2007 in the spectral range 180 nm (0,18 µm) to 1 000 µm. It defines the requirements, test methods and marking. A guide is given in Annex B for the selection and use of laser eye protectors. This European Standard does not apply to protectors for intentional exposure to laser radiation. EN 208 applies for laser adjustment eye-protectors. Before selecting eye protection according to this European Standard, a risk assessment should first be undertaken (see Annex B).

PDF Catalog

PDF Pages PDF Title
45 1 Scope
2 Normative references
3 Requirements
3.1 Spectral transmittance of filters and frames
3.2 Luminous transmittance of filters
46 3.3 Resistance of filters and frames to laser radiation
3.4 Refractive values of filters and eye-protectors
47 3.5 Quality of material and surface of filters
3.5.1 Material and surface defects
3.5.2 Diffusion of light
3.6 Stability of filters and eye-protectors to ultraviolet radiation and elevated temperature
3.6.1 Stability to ultraviolet radiation
3.6.2 Stability at elevated temperature
48 3.7 Resistance of filters and frames to ignition by contact with hot surfaces
3.8 Field of vision of eye-protectors
3.9 Construction of filters and frames
3.10 Mechanical strength of eye-protectors
3.10.1 Basic requirement
3.10.2 Optional requirements
4 Testing
4.1 General
50 4.2 Spectral transmittance of filters and frames
4.3 Luminous transmittance of filters
4.4 Resistance of filters and frames to laser radiation
51 4.5 Refractive value of filters and eye-protectors
4.6 Quality of material and surface of filters
4.6.1 Material and surface defects
4.6.2 Diffusion of light
4.7 Stability to UV radiation and stability to elevated temperature
4.7.1 Stability to UV radiation
4.7.2 Stability to elevated temperature
4.8 Resistance of filters and frames to ignition by contact with hot surfaces
4.9 Field of vision of eye-protectors
52 4.10 Determination of the protected range
53 4.11 Frames
4.12 Mechanical strength
5 Information supplied by the manufacturer
6 Marking
6.1 Eye-protectors
55 6.2 Filters
56 Annex A (informative)Principle
A.1 Limit values and time base
57 A.2 Beam areas
A.3 Angle dependence
58 A.4 Example test report
60 Annex B (informative)Recommendations for the use of laser radiation eye-protectors
B.1 General
B.2 Types of lasers
61 B.3 Determination of the scale numbers
B.3.1 General
62 B.3.2 Continuous wave laser (D)
B.3.3 Pulsed lasers (I, R), pulse duration ≥ 10−9 s
B.3.3.1 General
B.3.3.2 Calculation for the pulsed mode
63 B.3.3.3 Calculation for the average power
B.3.4 Mode coupled lasers (M), pulse duration < 10−9 s
B.3.4.1 General
B.3.4.2 Calculation for the pulsed mode
64 B.3.4.3 Calculation for the average power
B.4 Time base
B.5 Filters in appliances
65 Annex C (informative)Significant technical changes between this European Standard and the previous editions
66 Annex ZA(informative)Relationship between this European Standard and the essential requirements of Directive 89/686/EEC aimed to be covered

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BS EN 207:2017 - TC
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