✌ FREEME - ASTROLUX MF01S-UV & MF01mini-UV Flashlight Group Buy - ALIVE

you don’t need safety glasses as UVC does not penetrate all the way to the retina, but anything like skin gets a terrible time being sterilized
good UVC LED like Klaran 50mW costs about 20$ in quantity naybe 10$, then 20$ for the quartz glass window, likely they use a plastic aluminum coated reflector
so looking just on LED and optics we hit 200$
If they go cheap with 3-5mW LEDs there is no purpose using 18 of them if 2 Klaran can do the same output

below 300nm you need quartz glass (fused silica) borosilicate will block UVC

Ask Schott how much B2O3 it contains, it has to be a glass that has almost none in it or it would block UV
such glass composition is called quartz not borosilicate

Borosilicate glass is 80-90% silica(SiO2), the main chemical component in quartz

Interested!

yes interested

Interested

Rocks!

UVA in the S2+ UVC makes a lot more things glow

Most of the time yes UVA will glow, I can think of 1 thing that im forgetting the name of that glows in UVA only

I am really interested in it.
I bought decent UVC LED BAR LIGHT for killing germ in mask.
it seems work well.(it reduces bad smell)

I would like to know how light sterilizers kill the germs hidden in cracks and crevices.
Seriously.

Seems like they are marginally OK for countertops.
Food, no, clothes, no, skin, no,

mouth/nose - double no, plus harmful

plus even if there are no cracks etc, how do you know you are exposing the right amount to kill the bad germies - on every square mm?
seems like clorox would work better
plus not blind or sun burn you.

wle

Yes the S43 that will be cheaper seems like a better option, unless the mini is in around an $80 price

I would be interested if it were the S41.

I asked the same question (eh: more or less) in the other thread (S43 UV-C).

Why do we need this kind of light/emitters?
1/ is it the latest fad, so get it while it’s still fresh?
2/ as a germaphobe you can desinfect your hands until you get a severe skincancer?
3/ to explore/find magnificent things in nature that UV-A can’t reveal (if so: what?)

I’m mainly interested in answers on #3/.
Anyone?

Rocks, same as a few others. Its for my brother who is the rock expert so I don't know which minerals will fluoresce more with UVC but there can be a big difference compared to UVA. Rock nuts are very much like flashlight nuts - always looking for something better.

I see after the CORVID-19 wave a new wave of skin cancer coming soon

To be honest yes. I am all the time with my troath dry because of all the lysol people are using everywhere I go. Also I use hand sanitizer and wash my hands all the times and my hands are super dry because of that.

The skin is one of our best barriers against threats. OCD hand washing weakens that skin.
More important is to NOT pick your nose, rub your eyes, or fiddle with your mustache.

Maybe we should get them to design some accessories for such application (some items)?

BG has shown me MCPCB populated with UVC emitters today, but I am not allowed to publish publicly at the moment. It is rated higher than 5mW.