Mar 1, 2014 #2 NightExplorer96 0 Joined Sep 5, 2013 Messages 8,549 Points 113 No, there isn't a difference between 200mw and 200mW. Both represent (milliwatts). A difference could be as follows: 200mW(milliwatt) 200MW(Megawatt) No, most eBay glasses do nothing to protect you. Check out this thread as an example http://laserpointerforums.com/f52/why-ebay-safety-glasses-bad-83301.html
No, there isn't a difference between 200mw and 200mW. Both represent (milliwatts). A difference could be as follows: 200mW(milliwatt) 200MW(Megawatt) No, most eBay glasses do nothing to protect you. Check out this thread as an example http://laserpointerforums.com/f52/why-ebay-safety-glasses-bad-83301.html
Mar 1, 2014 #3 ARG 0 Joined Feb 27, 2011 Messages 6,772 Points 113 1. 200mw is a typo. 200mW is correct. 2. 3$ goggles are better than nothing, but I would never trust cheap PPE made in China. If you can afford it buy a pair of goggles that are certified.
1. 200mw is a typo. 200mW is correct. 2. 3$ goggles are better than nothing, but I would never trust cheap PPE made in China. If you can afford it buy a pair of goggles that are certified.
Mar 1, 2014 #4 N nmlaser 0 Joined Feb 6, 2014 Messages 9 Points 0 Thanks for the help guys, all the information I was need.