from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
devicethat measuresthe spectralpower distributions of illuminants, used to evaluateand categorize lightingor to calibrate display technology.
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Influence of volcanic sulfur dioxide on spectral UV irradiance as measured by Brewer spectroradiometer.
Agreement with weighted spectroradiometer measurements has been shown for some of these systems .
In the field, the principal tasks of the assistant will be to participate in measurements of whole-system CO2 exchange using an infrared gas analyzer system, to measure canopy reflectance using a scanning spectroradiometer, and to make ancillary measurements of soil and canopy microclimate, leaf area, and biomass.
The key factors are the amount of reflected far-red and the ratio of far-red to red light, which can only be measured with a spectroradiometer.
(a): DUVR spectrum was recorded with a calibrated Macam spectroradiometer.