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Laser Safety Information and Resources |
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Table of Laser Classes
Below is a table showing the meaning of the different Classes of Lasers and LEDs according to the current version of EN 60825-1 and IEC 60825-1. A more detailed description is available by going to An Overview of the Laser Classification System.
| Class 1 |
Safe. |
| Class 1M |
Safe provided optical instruments are not used. |
| Class 2 |
Visible lasers. Safe for accidental exposure (< 0.25 s). |
| Class 2M |
Visible lasers. Safe for accidental exposure (< 0.25 s) providing optical instruments are not used. |
| Class 3R |
Not safe. Low risk. |
| Class 3B |
Hazardous. Viewing of diffuse reflection is safe. |
| Class 4 |
Hazardous. Viewing of diffuse reflection is also hazardous. Fire risk. |
Diffuse reflection - the reflection of radiation from a matt surface such as a wall.
Optical instruments - binoculars, telescopes, microscopes, magnifying glasses (but not prescription glasses).
Copyright Lasermet 2004
See also:
Laser and LED product testing
An Overview of the Laser Classification System
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