device comprising two light measuring apparatus namely photometer, radiometer, colorimeter, spectrophotometer and spectroradiometer combined together and used to measure the properties of light, namely radiance, luminance, reflectance, transmittance, color, contrast, color temperature, spectral power distribution and illuminance

'apparatus':6 'color':29,31 'colorimet':10 'combin':14 'compris':2 'contrast':30 'devic':1 'distribut':35 'illumin':37 'light':4,23 'lumin':26 'measur':5,19 'name':7,24 'photomet':8 'power':34 'properti':21 'radianc':25 'radiomet':9 'reflect':27 'spectral':33 'spectrophotomet':11 'spectroradiomet':13 'temperatur':32 'togeth':15 'transmitt':28 'two':3 'use':17

SPECTRADUO

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