{"id":126889,"date":"2024-10-19T05:41:54","date_gmt":"2024-10-19T05:41:54","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iec-tr-60825-142022\/"},"modified":"2024-10-24T23:22:44","modified_gmt":"2024-10-24T23:22:44","slug":"bsi-pd-iec-tr-60825-142022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iec-tr-60825-142022\/","title":{"rendered":"BSI PD IEC\/TR 60825-14:2022"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
4<\/td>\nCONTENTS <\/td>\n<\/tr>\n
9<\/td>\nFOREWORD <\/td>\n<\/tr>\n
11<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
12<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
13<\/td>\n3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols <\/td>\n<\/tr>\n
15<\/td>\n4 Administrative policies
4.1 Safety responsibilities
4.2 Competent Person
4.3 Laser Safety Officer <\/td>\n<\/tr>\n
16<\/td>\n4.4 Information and training <\/td>\n<\/tr>\n
17<\/td>\n4.5 Levels of competence
4.5.1 Laser Protection Adviser
4.5.2 Laser Safety Officer <\/td>\n<\/tr>\n
19<\/td>\n4.5.3 Laser Safety Supervisor
4.5.4 Laser user
4.5.5 Awareness for other persons <\/td>\n<\/tr>\n
20<\/td>\n4.6 Training requirements
4.7 Accreditation <\/td>\n<\/tr>\n
21<\/td>\n5 Laser radiation hazards
5.1 Laser products
5.1.1 Laser product classification
5.1.2 Product classes <\/td>\n<\/tr>\n
24<\/td>\n5.1.3 Embedded lasers
Tables
Table 1 \u2013 Default protective control measures for laser products <\/td>\n<\/tr>\n
25<\/td>\n5.1.4 Optical fibres
5.1.5 Laser demonstrations and displays <\/td>\n<\/tr>\n
26<\/td>\n5.1.6 Consumer laser products
5.2 Exposure to laser radiation
5.2.1 Maximum permissible exposure
5.2.2 Transient visual effects <\/td>\n<\/tr>\n
27<\/td>\n5.3 Determining the level of laser exposure
5.3.1 The effective exposure <\/td>\n<\/tr>\n
28<\/td>\n5.3.2 Limiting apertures
Table 2 \u2013 The diameter of the limiting aperture applicable to measurements of irradiance and radiant exposure (t is time of the relevant exposure, either pulse duration or total exposure) <\/td>\n<\/tr>\n
29<\/td>\n5.3.3 Angle of acceptance for the assessment of exposure from extended sources <\/td>\n<\/tr>\n
30<\/td>\nFigures
Figure 1 \u2013 Measurement set-ups to achieve a well-defined angle of acceptance <\/td>\n<\/tr>\n
31<\/td>\n5.3.4 Use of binoculars
6 Determining the maximum permissible exposure (MPE)
6.1 General remarks
Table 3 \u2013 Typical transmission percentages for binoculars <\/td>\n<\/tr>\n
33<\/td>\nTable 4 \u2013 Maximum permissible exposure (MPE) at the cornea for small sources expressed as irradiance or radiant exposure a,b <\/td>\n<\/tr>\n
34<\/td>\nTable 5 \u2013 Maximum permissible exposure (MPE) at the cornea for extended sources in the wavelength range from 400 nm to 1 400 nm (retinal hazard region) expressed as irradiance or radiant exposure <\/td>\n<\/tr>\n
35<\/td>\nTable 6 \u2013 Maximum permissible exposure (MPE) of Table 4 (C6 = 1) for the wavelength range from 400 nm to 1 400 nm expressed as power or energy a,b <\/td>\n<\/tr>\n
36<\/td>\nTable 7 \u2013 Maximum permissible exposure (MPE) of Table 5 (extended sources) for the wavelength range from 400 nm to 1 400 nm expressed as power or energy a,b <\/td>\n<\/tr>\n
37<\/td>\nTable 8 \u2013 Maximum permissible exposure (MPE) of the skin to laser radiation a,b
Table 9 \u2013 Correction factors and breakpoints for use in MPE evaluations <\/td>\n<\/tr>\n
38<\/td>\n6.2 Repetitively pulsed or modulated lasers <\/td>\n<\/tr>\n
40<\/td>\n6.3 Multiple wavelengths
6.4 Extended source MPEs
Table 10 \u2013 Duration Ti below which pulse groups are summed up
Table 11 \u2013 Additivity of effects on eye (O) and skin (S) of radiation of different spectral regions <\/td>\n<\/tr>\n
41<\/td>\n6.5 Hazard distance and hazard area
6.5.1 Nominal ocular hazard distance
6.5.2 Nominal ocular hazard area <\/td>\n<\/tr>\n
42<\/td>\n7 Associated hazards
7.1 Additional health hazards
7.2 Hazards arising from the laser
7.2.1 Electricity
7.2.2 Collateral radiation <\/td>\n<\/tr>\n
43<\/td>\n7.2.3 Other laser radiation
7.2.4 Hazardous substances
7.2.5 Fume
7.2.6 Noise
7.2.7 Mechanical hazards
7.2.8 Fire, explosion and thermal damage <\/td>\n<\/tr>\n
44<\/td>\n7.2.9 Heat and cold
7.3 Hazards arising from the environment
7.3.1 Temperature and humidity
7.3.2 Mechanical shock and vibration
7.3.3 Atmospheric effects
7.3.4 Electromagnetic and radio-frequency interference
7.3.5 Power supply interruption or fluctuation
7.3.6 Computer software problems
7.3.7 Ergonomic and human-factor considerations <\/td>\n<\/tr>\n
45<\/td>\n7.4 Control of associated hazards
8 Evaluating risk
8.1 Hazards and risks <\/td>\n<\/tr>\n
46<\/td>\n8.2 Risk assessment: Stage 1 \u2013 Identifying potentially injurious situations
8.2.1 General
8.2.2 The hazards involved
8.2.3 The laser environment
8.2.4 The people at risk <\/td>\n<\/tr>\n
47<\/td>\n8.3 Risk assessment: Stage 2 \u2013 Assessing risk for potentially injurious situations
8.3.1 General
8.3.2 Frequency
8.3.3 Severity
8.3.4 Resultant risk <\/td>\n<\/tr>\n
48<\/td>\n8.4 Risk assessment: Stage 3 \u2013 Selecting control measures
9 Control measures
9.1 General <\/td>\n<\/tr>\n
49<\/td>\n9.2 Hazard reduction <\/td>\n<\/tr>\n
50<\/td>\n9.3 Enclosing the hazard
9.3.1 Beam enclosures
9.3.2 Viewing windows
9.3.3 Interlock protection <\/td>\n<\/tr>\n
51<\/td>\n9.4 Hazard mitigation
9.4.1 Preventing access <\/td>\n<\/tr>\n
52<\/td>\n9.4.2 Laser controlled areas <\/td>\n<\/tr>\n
53<\/td>\nTable 12 \u2013 Laser controlled areas <\/td>\n<\/tr>\n
56<\/td>\nFigure 2 \u2013 Combination of safety signs
Figure 3 \u2013 Warning; Laser beam symbol (ISO 7010-W004:2011-05), <\/td>\n<\/tr>\n
57<\/td>\nFigure 4 \u2013 Wear eye protection symbol (ISO 7010-M004:2011-05) <\/td>\n<\/tr>\n
58<\/td>\n9.4.3 Local rules and procedures
Figure 5 \u2013 No thoroughfare symbol (ISO 7010-P004:2011-05) <\/td>\n<\/tr>\n
59<\/td>\n9.4.4 Localized risk reduction <\/td>\n<\/tr>\n
60<\/td>\n9.4.5 Personal protection <\/td>\n<\/tr>\n
63<\/td>\n9.4.6 Protective clothing
9.5 Equipment servicing
9.5.1 Increased risks during laser equipment servicing
9.5.2 Temporary laser controlled areas <\/td>\n<\/tr>\n
64<\/td>\n9.5.3 Controls during servicing
9.5.4 Visiting installation and service engineers
10 Maintenance of safe operation <\/td>\n<\/tr>\n
65<\/td>\n11 Contingency plans
11.1 General
11.2 Dealing with an actual eye injury
11.3 Dealing with an actual skin injury <\/td>\n<\/tr>\n
66<\/td>\n11.4 Dealing with a suspected eye injury
12 Incident reporting and accident investigation
13 Medical surveillance <\/td>\n<\/tr>\n
67<\/td>\nAnnex A (informative)Examples of interlock systems for laser controlled areas
A.1 General
A.2 Common elements
A.2.1 Interlock control system
A.2.2 Door interlock switches
A.2.3 Override switches <\/td>\n<\/tr>\n
68<\/td>\nA.2.4 Shutter
A.2.5 Illuminated warning sign
A.2.6 Emergency stop switch
A.2.7 Electric locks (door strikes)
A.2.8 Non-locking interlock systems (see Figure A.1)
A.2.9 Locking interlock systems (see Figure A.2) <\/td>\n<\/tr>\n
69<\/td>\nFigure A.1 \u2013 Non-locking interlock system <\/td>\n<\/tr>\n
70<\/td>\nFigure A.2 \u2013 Locking interlock system <\/td>\n<\/tr>\n
71<\/td>\nAnnex B (informative)Examples of calculations
B.1 General
B.2 Symbols used in the examples of Annex B
B.3 Maximum permissible exposure (MPE) \u2013 Overview <\/td>\n<\/tr>\n
72<\/td>\nB.4 Maximum permissible exposure (MPE) \u2013 Single small source
B.4.1 General
B.4.2 Example for a helium-cadmium laser
B.4.3 Example for a pulsed ruby laser
B.4.4 Example for a single pulse of a gallium-arsenide laser <\/td>\n<\/tr>\n
73<\/td>\nB.4.5 Example for a continuous wave helium-neon laser
B.5 Maximum permissible exposure (MPE) \u2013 Repetitively pulsed systems
B.5.1 General
B.5.2 Example for a pulsed argon laser <\/td>\n<\/tr>\n
75<\/td>\nB.5.3 Example for a pulsed Nd:YAG laser <\/td>\n<\/tr>\n
76<\/td>\nB.6 Nominal ocular hazard distance (NOHD)
B.6.1 General <\/td>\n<\/tr>\n
77<\/td>\nFigure B.1 \u2013 Nominal ocular hazard distance <\/td>\n<\/tr>\n
80<\/td>\nFigure B.2 \u2013 Chart for determining the NOHD (with various atmospheric attenuation factors from the NOHD found without considering atmospheric attenuation) <\/td>\n<\/tr>\n
81<\/td>\nB.6.2 Example NOHD for a Gaussian beam with negligible atmospheric attenuation <\/td>\n<\/tr>\n
82<\/td>\nB.6.3 Example of NOHD with beam expanding optics
B.6.4 Example of NOHD with atmospheric attenuation <\/td>\n<\/tr>\n
83<\/td>\nB.6.5 Example of NOHD for a helium-neon laser with an expanding beam <\/td>\n<\/tr>\n
84<\/td>\nB.6.6 Example for an infrared surveying instrument <\/td>\n<\/tr>\n
85<\/td>\nB.6.7 Example for a Q-switched rangefinder <\/td>\n<\/tr>\n
87<\/td>\nB.6.8 Example for a CW optical fibre transmitter <\/td>\n<\/tr>\n
89<\/td>\nB.7 Diffuse reflections that are extended sources
B.7.1 General <\/td>\n<\/tr>\n
90<\/td>\nB.7.2 Example for a reflection from a perfect diffuser <\/td>\n<\/tr>\n
91<\/td>\nB.7.3 Example for close viewing of reflection from a perfect diffuser <\/td>\n<\/tr>\n
92<\/td>\nB.7.4 Example for assessing the minimum safe viewing distance
B.8 Eye protection
B.8.1 General <\/td>\n<\/tr>\n
93<\/td>\nB.8.2 Example protective eyewear for example B.6.7
B.8.3 Example protective eyewear for example B.6.2 <\/td>\n<\/tr>\n
94<\/td>\nB.9 Example for a complex laser diode array source
B.9.1 General
Figure B.3 \u2013 Laser diode array with three groupings <\/td>\n<\/tr>\n
96<\/td>\nB.9.2 Single diode <\/td>\n<\/tr>\n
97<\/td>\nB.9.3 Horizontal two-diode group
B.9.4 Vertical two-diode group
B.9.5 Four-diode group <\/td>\n<\/tr>\n
98<\/td>\nB.9.6 One row of 10 diodes <\/td>\n<\/tr>\n
99<\/td>\nB.9.7 20-diode group
B.9.8 Additional remarks <\/td>\n<\/tr>\n
100<\/td>\nB.9.9 Required optical density
B.9.10 Use of an optical device <\/td>\n<\/tr>\n
102<\/td>\nAnnex C (informative)Biophysical considerations
C.1 Anatomy of the eye
Figure C.1 \u2013 Anatomy of the eye <\/td>\n<\/tr>\n
103<\/td>\nC.2 The effects of laser radiation on biological tissue
C.2.1 General <\/td>\n<\/tr>\n
104<\/td>\nFigure C.2 \u2013 Diagram of laser-induced damage in biological systems <\/td>\n<\/tr>\n
105<\/td>\nC.2.2 Hazards to the eye <\/td>\n<\/tr>\n
106<\/td>\nTable C.1 \u2013 Summary of pathological effects from excessive exposure to light <\/td>\n<\/tr>\n
108<\/td>\nC.2.3 Skin hazards <\/td>\n<\/tr>\n
109<\/td>\nC.3 MPEs and irradiance averaging
Table C.2 \u2013 Explanation of measurement apertures applied to the MPEs <\/td>\n<\/tr>\n
110<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Safety of laser products – A user’s guide<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2022<\/td>\n112<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":126890,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-126889","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/126889","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/126890"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=126889"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=126889"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=126889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}