Hand Spectroscope Construction Kit
Article Number 40635
Length 14.5 x width 2 x height 11 cm.
Hand Spectroscope: to check if your light bulbs are on the forbidden list. And as an argument in their favour!
The low price and simple shape of this handy gadget conceal a highly complex piece of technology. In its interior the prismatic colours are filtered by a high-precision diffraction grating with 1.000 lines/mm. The individual ‘finger-print’ of each source of light is made visible and can be compared with the various different sources of light from the continuous spectrum of glowing bodies like the sun or a light bulb down to the line spectra of mercury steam lamps and so on. Wave-lengths can be read off to a degree of accuracy of about 5 nm with the help of brightness regulator. The standard deviation of this hand spectroscope compared to professional spectroscopes is under 3 %.
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