Spectral Source

This unique unit has been specially developed to provide a varied range of light sources for examination by spectrometers. Various monochromatic LEDs are available together with a full set of transmission filters which can be used with the tungsten filament lamp. Compare yellow filter with yellow LED; examine the wavelength distribution from a white LED; compare clear envelope and red envelope LEDs; examine the band spectrum from a tungsten filament at various levels of brightness etc. Requires a 12 V d.c. power supply. Connection via 4 mm leads or 2.1 mm centre positive jack

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