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BSI PD IEC TR 60825-3:2022

BSI PD IEC TR 60825-3:2022

$167.15

Safety of laser products – Guidance for laser displays and shows

Published By Publication Date Number of Pages
BSI 2022 40
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PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
6 FOREWORD
8 INTRODUCTION
9 1 Scope
10 2 Normative references
3 Terms and definitions
17 4 Exposure hazards and biological effects
4.1 Laser projector classification and hazards
4.2 Biological effects on the eye
18 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
19 5.2 Spectator zone MPE
5.3 Performer zone (controlled location) MPE
5.4 At-risk ancillary personnel MPE
20 6 Safety criteria for equipment and installations
Table 1 – Summary of MPE selection criteria
21 Figure 2 – Audience/spectator separation auditorium scenario with operator in control
22 Figure 3 – Audience/spectator separation nightclub scenario with operator in control
23 Figure 4 – Audience/spectator separation near a balcony with operator in control
24 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
26 7.3 Set-up and alignment
27 7.4 Operation
28 7.5 Display safety record (DSR)
29 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
30 8 Laser display risk management
8.1 Laser effect exposure risk
8.2 Laser display risk factors and controls
Table 2 – Laser effect category
31 Figure 6 – Laser hazard warning signage
32 9 Exposure assessment
9.1 Recommendation
9.2 Guidance
9.3 Difficulties
33 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
34 9.4 Evaluation considerations
9.5 Measurement considerations
35 9.6 Scan-fail safeguard
36 Figure 9 – Time for a scan-fail safeguard to be effective after having been triggered
37 10 Special considerations
10.1 Holographic displays
Table 3 – Ocular MPE and equivalent power through a 7 mm diameter aperture
38 10.2 Ultraviolet and blue-light laser beams
39 Bibliography

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BSI PD IEC TR 60825-3:2022
$167.15