The
visible wavelength range to human eye is 400-700 nm, while the dominant
wavelength of the M2 flashlight is 365 nm with less visible light, so
the M2 is not "bright" in eyes and it's not designed for use of
illumination. From which it proves that it's pure 365 nm wavelength with
a better performance than the ultraviolet light of other wavelengths
(380-400 nm).
M2 "Purple Beard" is a professional-grade UV detection flashlight, which is more suitable for professional fields:
UV curing:
Some curable adhesives specify the 365nm UV for rapid curing, M2 UV
flashlight can also be applied to ink curing field, such as printing,
oil painting and wood instrument processing.
Forensic investigation & evidence collection:
Proteinaceous materials emit fluorescence when illuminated by UV light.
So M2 can be used to check the body fluid, blood, fingerprint, fiber
and also to analyze the bite mark and bruise. UV light usually is used
for detection of fraudulent documents such as ID card, visa, passport,
credit cards or banknotes. The UV light can be used for arson
investigation though the spattering of chemical combustibles and used
for car theft forensics by identification of car ID label, and also for
vehicle accident analysis.
Non Destructive Testing (NDT):
M2 is a compact flashlight especially suitable for on-site fluorescence
penetrant testing and fluorescent magnetic particle inspection of
special equipment in ships, pressure vessels, draught fan blades and
other narrow spaces.
Leaks detecting:
By the fluorescence reaction of ethylene glycol in the cooling system,
M2 black light can be used to check the leaks of the car radiator and
the air-conditioning refrigerant by adding a fluorescent agent. And it
works on detecting engine leaks and oil pipeline leaks.
Ore exploration:
Some kinds of ore cannot be quickly identified by the naked eye, but
they present various colors under UV beam and can be quickly noticed. It
also applies to screening of gems, amber and jade, artifacts, antiques,
and discovering traces of fraud and glue.
Hygiene:
Riboflavin validation in pharmaceutical companies, inspection of human
body fluids and other tissues pollutants in public places, cleaning of
oil stain, and the presence of traces of urine from rodents such as rats
in the warehouse.
Home:
Find pet defecations, oil or contaminant in kitchen and bathroom, check
sanitary products, clothing, cosmetics, paper towels with fluorescer.
Outdoor activities:
The outer shell of the scorpion glows under the M2 UV flashlight's
beam, making it easy to find even in the dark. Many mushrooms and
flowers, fruits, seeds or some insects, bees, and small crabs are more
magical under the illumination of M2 than at night or in daylight.
M2
series have 3 models: M2-OL (Even-beam), M2-CF (Focused high radiation
beam), and M2-BF (Focused pure beam), no matter you are a law
enforcement officer, mechanic, engineer, maintenance person or workman,
warehouse manager, outdoor enthusiast, laboratory researcher, M2 "Purple
Beard" can be a good helper!
Operation instruction(M2-BF):
Turn counterclockwise to open the back cover, put the positive terminal of the charged 18650 high-quality lithium-ion battery into the flashlight toward the light head, and then turn clockwise to tighten the tail cover.
The flashlight has reverse polarity protection. If the battery is inserted in the wrong direction, the flashlight will not be damaged, but it will not work. If this happens, check the battery.
After installing the battery, lightly press (half-press) the tail switch button once to turn on the flashlight and release the switch to turn off. After the flashlight is turned off for more than 10 seconds, the default is low output mode every time it is turned on.
When the flashlight is off, continuously lightly press and release the switch, and the flashlight mode will cycle from low to high.
When any mode is turned on, press the switch hard (full press), there will be a "click" sound, lock the current brightness is always bright; press again hard, the switch has a "click" sound, the flashlight is turned off.
When the battery voltage is too low, the flashlight will flash a warning, please replace with a new battery. After flashing the prompt, the flashlight will automatically turn off at any time to protect the lithium ion battery from excessive discharge.