Chinese K40 Laser Safety / What is true?

How safe is a Chinese Laser Cutter?

To get answers other than confusing search results from Google, i asked the German Academy for Laser Safety in Berlin how dangerous these cheap chinese laser machines really are.
I asked Prof. Dr. Eichler questions you have asked in my comments, so as questions i had never had found a believable or precise answer on the web.
Sure not every question could be answered and some are pretty complicated to figure out without having the machine properly tested in a lab, but some answers are pretty interesting specially
for beginners! I must confess that there is so much more to talk about when it comes to laser safety, but it would exceed the length of a watchable video.

A Special Thanks goes to Dipl.-Ing Mme Schneeweiss and Dr. Prof. Eichler that they took their time to answer my questions!
Please as always excuse my crude english but besides scripting, i needed to translate all the answers of Prof. Dr. Eichler in a way they would not falsify their meanings.
Disclaimer: I am not responsable for any injury of all kind. This video is informative but does not explain the dangers and hazards of laser radiation in high detail!
LINKS:
Akademie für Lasersicherheit Berlin: https://www.laserstrahlenschutz.com/

Laser safety goggles to German standards: https://bit.ly/30UItOv

Link to the ManCave and to the K40 safety checklist download: https://bit.ly/2Wx81Sq

I hope you enjoy this video!
There is more!

More videos about the K40 Laser and other interesting Projects on my Channel!

https://www.youtube.com/user/kennnix
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Видео Chinese K40 Laser Safety / What is true? канала Mancave Effects