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According to the Laser Institute of America;
"Class 2 A Class 2 laser or laser system must emit a visible laser beam. Because of its brightness, Class 2 laser light will be too dazzling to stare into for extended periods. Momentary viewing is not considered hazardous since the upper radiant power limit on this type of device is less than the MPE (Maximum Permissible Exposure) for momentary exposure of 0.25 second or less. Intentional extended viewing, however, is considered hazardous." https://www.lia.org/subscriptions/safety_bulletin/laser_safety_information Used in laser levels, rotary lasers, plus certain miter and circular saws. |
What does Class 2 laser mean?
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