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BSI PD IEC TR 60825-3:2022 – TC

BSI PD IEC TR 60825-3:2022 – TC

$217.84

Tracked Changes. Safety of laser products – Guidance for laser displays and shows

Published By Publication Date Number of Pages
BSI 2022 86
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PDF Catalog

PDF Pages PDF Title
1 30462053
47 A-30394802
48 undefined
50 CONTENTS
52 FOREWORD
54 INTRODUCTION
55 1 Scope
56 2 Normative references
3 Terms and definitions
63 4 Exposure hazards and biological effects
4.1 Laser projector classification and hazards
4.2 Biological effects on the eye
64 4.3 Biological effects on skin
5 Zone limits and maximum permissible exposures (MPE) for laser effects
5.1 Compliance with maximum permissible exposure (MPE)
Figures
Figure 1 – Human eye
65 5.2 Spectator zone MPE
5.3 Performer zone (controlled location) MPE
5.4 At-risk ancillary personnel MPE
66 6 Safety criteria for equipment and installations
Table 1 – Summary of MPE selection criteria
67 Figure 2 – Audience/spectator separation auditorium scenario with operator in control
68 Figure 3 – Audience/spectator separation nightclub scenario with operator in control
69 Figure 4 – Audience/spectator separation near a balcony with operator in control
70 7 Responsibilities of designers, installers, operators and performers
7.1 Training
7.2 Planning by designers, installers and operators
Figure 5 – Audience/spectator separation from unattended beams
72 7.3 Set-up and alignment
73 7.4 Operation
74 7.5 Display safety record (DSR)
75 7.6 Contingency planning
7.6.1 General
7.6.2 Dealing with an actual eye injury
7.6.3 Dealing with an actual skin injury
7.6.4 Dealing with a suspected eye injury
7.7 Incident reporting and accident investigation
76 8 Laser display risk management
8.1 Laser effect exposure risk
8.2 Laser display risk factors and controls
Table 2 – Laser effect category
77 Figure 6 – Laser hazard warning signage
78 9 Exposure assessment
9.1 Recommendation
9.2 Guidance
9.3 Difficulties
79 Figure 7 – Effective pulse duration
Figure 8 – Apparent pulse train at the measurement device highlighting the differences between measurement results for average power as measured by a standard power meter and peak power as measured by a specialized meter
80 9.4 Evaluation considerations
9.5 Measurement considerations
81 9.6 Scan-fail safeguard
82 Figure 9 – Time for a scan-fail safeguard to be effective after having been triggered
83 10 Special considerations
10.1 Holographic displays
Table 3 – Ocular MPE and equivalent power through a 7 mm diameter aperture
84 10.2 Ultraviolet and blue-light laser beams
85 Bibliography

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BSI PD IEC TR 60825-3:2022 - TC
$217.84