1pc Handheld UV Shortwave 254nm UVC Phosphorescence Detection Black Light Lamp For Sale

1pc Handheld UV Shortwave 254nm UVC Phosphorescence Detection Black Light Lamp
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1pc Handheld UV Shortwave 254nm UVC Phosphorescence Detection Black Light Lamp:
$18.69

Handheld 4W Ultraviolet Light UVC Shortwave 254nm Lamp Item Description 254nm flashlight feature: Wavelength: 254nm
Used for:
Provides assured fluorescence, detection of parts of some minerals, invisible phosphor and sterilizing instruments.
This 254nm UV lamp will clearly show you the phosphor and the phosphor afterglow on GB stamps up to 1992.
For best results use a short wave lamp in a dark room, the darker the room the better.
To see the different coloured phosphors on the 1960 Wildings issue its the phosphor afterglow you are looking for when you turn the UV light off,
Green phosphor is the brightest (10 seconds afterglow) followed by blue, (15 seconds) the Violet has a very short afterglow (5 seconds) It will be difficult to see the
after glow in daylight, the darker the room the better.Shell color: Black
Material: Plastic
Power: 4W
Compact, portable, battery operated (Not included 4x AA)
Has a handy nylon carrying cord
Size: 16.2×5.6×2.2cm/6.3×2.2×0.9 inches
Has both a 4W UV tube & also a torchlight.
Package includes:
1pc 254nm black light torch


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