LED product safety precautions
Laser products | Preventive safety measures for users (summary) |
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| [from JIS “Safety of laser products”] | |||||
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Required item/ |
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| Classification |
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Article | Class 1 | Class 1M | Class 2 | Class 2M | Class 3R | Class 3B |
| Class 4 | ||
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| Not necessary in |
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| the case of |
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Laser | Not necessary, but it is recommended that one be | visible light |
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safety manager | appointed in the case of applications where laser beams | beams. | Necessary | |||||||
10.1 |
| can be directly observed |
| Necessary in the |
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| case of invisible |
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| light beams. |
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Remote |
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| Connected to a room or door | ||||
interlock |
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| Not necessary |
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| circuit | |||||
10.2 |
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Key control |
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| Not necessary |
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| Remove the key when not in use | ||||
10.3 |
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Beam attenuator |
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| Not necessary |
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| Avoid careless irradiation during | ||||
10.4 |
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| use | ||||
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| Indicates that |
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Emission |
| Not necessary |
| laser is operating | Indicates that laser is operating | |||||
indication device |
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| at an invisible | |||||||
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| wavelength. |
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Warning |
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| Follow warning indication | ||||
indication |
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| Not necessary |
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| preventive measures | ||||||
10.5 |
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Beam path |
| Same as |
| Same as |
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Not necessary | Class 3B for | Not necessary | Class 3B for | Terminate beam at end of effective length | ||||||
10.6 | ||||||||||
| Class 1M |
| Class 2M |
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Specular | No necessary | Same as | No necessary | Same as |
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reflection | Class 3B for | Class 3R for | Avoid unintended reflection | |||||||
items | items | |||||||||
10.7 | Class 1M | Class 2M |
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| Necessary if it is not possible to | ||||
Eye protection |
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| No necessary items |
| execute technical and management | |||||
10.8 |
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| procedures, and if MPE (max. | ||||||
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| permissible exposure) is exceeded | ||||
Protective |
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| Sometimes |
| Specific | ||
clothing |
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| No necessary items |
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| instructions are | ||||
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| necessary |
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10.9 |
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| necessary | |||
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Training | No necessary | Same as | No necessary | Same as | Necessary for all operators and maintenance | |||||
Class 3R for | Class 3B for | |||||||||
10.10 | items | items |
| personnel |
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Class 1M | Class 2M |
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