Free shipping + free UV torch over $99 (while stocks last)
Free keychain light on orders under $99
Free keychain light on orders under $99
✓Free shipping + free UV torch over $99(while stocks last) | Free keychain light on orders under $99
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A UV torch (also sold as a blacklight torch or UV flashlight) makes certain materials fluoresce, so stains, residues, minerals and security features that are invisible in daylight show up as a glow. How well it works comes down to four things: the wavelength, whether the light is filtered, how much UV it actually puts out, and how it is powered.
Most cheap blacklights use 395nm LEDs. That sits right at the edge of visible light, so the beam throws a strong purple glow that washes out the fluorescence you are trying to see. A 365nm torch sits well inside the UVA band and gives off very little visible light, so the target glows against a dark background with far better contrast.
For pet urine, scorpions, minerals, leak-detection dye and document checks, choose 365nm. A 395nm light is fine for charging glow-in-the-dark items, but it is the wrong tool for detection. We compare the two side by side in hardware-store black lights vs a real 365nm torch.
Even a 365nm LED leaks some visible violet light. A filter lens, usually ZWB2 glass or a black UV-pass lens, blocks that visible spill and lets the UV through. The difference is obvious in use: a filtered torch looks almost dark, while the thing you are inspecting lights up.
The Convoy S12 UV (ZWB2 filter), Convoy S2+ UV (black filter glass), TANK007 UV-L03C and Weltool M4-365 are all filtered.
Lumens measure visible light, so they tell you nothing about UV. Look for the UV output in milliwatts (mW) where the maker states it. A keyring light such as the Nitecore TIKI UV is rated at 1,000mW, which is plenty for checking banknotes, cards or a small patch of carpet. For sweeping a whole room, a subfloor or a rock face at night, more output and a wider beam cover ground faster. The Weltool M4-365 is rated at 14,000mW for that kind of large-area work.
Some keyring and multi-function torches carry only a small auxiliary UV LED of a few dozen milliwatts. That is handy for a quick check, but not for searching a room.
The UV torches in this range use one of three power set-ups:
This range covers two kinds of light. The right one depends on how often you need UV.
These do one job, UV inspection, usually with a filter and the strongest output. Choose one if UV is the reason you are buying.
These pair a bright white torch with a UV channel, and sometimes a red light or green laser. They suit people who want UV on hand without carrying a second light. Examples include the Acebeam UC25 (1,000mW at 365nm), Loop Gear SK06 (1,200mW at 365nm plus a green laser), Imalent BL50 (698mW at 365nm), Mateminco Gecko UV (365nm alongside a 780-lumen white beam) and Fenix WF25RM (500mW at 365nm on a 3,000-lumen duty light).
Keyring models from RovyVon and others use small UV side LEDs. They are good for a quick check rather than a full search.
The torches in this range use UVA, the 365–395nm band used for fluorescence and detection. UVC (roughly 200–280nm) is a different and more hazardous band used for surface disinfection, not inspection, so UVC disinfection lamps are kept out of this range. Never point a UVC light at skin or eyes.
UVA deserves respect too. Don’t shine any UV torch into your own or anyone else’s eyes, avoid long exposure on bare skin, and consider UV-protective eyewear if you inspect under UV for long periods. Keep high-output UV torches away from children.
MaxBeam is a specialist torch retailer, not a general store with a few blacklights on a shelf. We sell genuine Convoy, Weltool, TANK007, Nitecore, Fenix, Acebeam and Loop Gear UV lights with local warranty support. Orders over $99 ship free anywhere in Australia, and in-stock orders are dispatched fast from our Victorian warehouse. Not sure which UV torch suits the job? Contact us and we will point you to the right one.
For practical purposes, yes. “Blacklight” originally described fluorescent tubes with a dark filter; today most blacklight torches are UV LED torches. The real differences between products are the wavelength and whether there is a filter. A filtered 365nm torch performs very differently from an unfiltered 395nm one.
Buy 365nm for detection work: urine, scorpions, minerals, leak dye and security features. It gives off far less visible purple light, so fluorescence stands out. 395nm torches are cheaper and fine for charging glow-in-the-dark items, but they wash out faint glow.
Not always, but it helps. A ZWB2 or black-glass filter removes the visible violet leak from the LED, so the beam looks darker and the target glows brighter. If you are hunting faint fluorescence, such as minerals, old stains or scorpions at a distance, choose a filtered model.
A 365nm torch will usually show dried urine as a yellow-green glow, which helps you find the exact spot. Work in a dark room and scan slowly. Other things fluoresce too, including some detergents, adhesives and food spills, so confirm before you treat.
It can help you find areas worth checking, because some mould growth and staining fluoresces. It cannot identify mould or confirm a problem on its own. That needs a proper inspection.
365nm and 395nm torches are UVA and safe when used sensibly: don’t shine them into eyes and avoid long skin exposure. Lights with a UVC disinfection mode need much more care and should never be pointed at people or animals.
Many UV-curing resins set under light between about 365nm and 405nm, so a UV torch will cure small repairs and craft pieces. Check the wavelength your resin recommends, and hold the torch close for an even cure.
No. A phone’s flash LED gives off no useful UV, and purple-filter tricks only tint the light. We explain why in can your phone work as a UV light?
No. A UV torch shows fluorescence, where a material absorbs UV and glows only while the light is on. Bioluminescence is light made by living things such as glow worms and some plankton, and it is best seen in total darkness. Read bioluminescence vs fluorescence for the full explanation.
