In Classrooms, meeting rooms, exhibition rooms… We can often see these kinds of laser pens.Are they safe laser? Let’s measure its actual power.
Contents Index
laser pen
This laser pointer has the same shape as an ordinary pen,so some people call it laser pen. It’s very light and convenient.The laser light can be seen clearly though a long distance.Green laser pointers are brighter than a red laser pointer. Human eye is more sensitive to green color and this laser pointer is much more noticeable than other light color.It has steady property, been applied widely and safely.Such as used in teaching by teachers,use laser pen to point at any desired targets on projection screen, video monitors, and presentation graphics.Also you can take it to refer to star.Fixed focus, green dot facula, continuous output and point 4000 meters away(less in daylight). So what is the power of it?
test video
test result:
We can see the green laser pen power is about 80mW.
Note: 80mW’s laser is dangerous to the eyes and cannot be irradiated directly.
notice:
Warning:
1. Never look directly into the laser beam. Never point a laser beam at a person. Do not aim the laser at reflective surfaces.
2. Do not allow children to use laser pointers unless under the supervision of an adult.
Warm Notice:
1. Don’t pay extra money for false high power laser;
2. Choose the right power according to your actual use;
If you want to know the real power of a laser pointer on the market, please go to www.lucklaser.com find more.
