Spectral radiation method: for each spectral radiation power of the light source measured on each wavelength, after the weighted integral of the spectral data integral or biological light receiving response function for the corresponding wave band by using the computer, we can receive the irradiance (or radiant power) of the specified wave band and the effective biological light radiation.
The light source is placed in the black UV radiation box, receiving the irradiance signal of the light source. This light source leads to the spectral system of C-T monochromatic and filter composition. After the grating monochromatic beams, the shoot spectrum is received by photomultiplier PMT, and transformed into the electric signal, then measured by the single chip microcomputer after the amplification. At the same time, the single chip microcomputer controls the wavelength drive and the control system to measure spectral irradiance of each spectrum.
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Colorimeter and Photometer
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