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Supplier: ASTM International
Description: reflectance to determine solar reflectance from measurements at four wavelengths in the solar spectrum: 380 nm, 500 nm, 650 nm, and 1220 nm. This technique is supported by comparison of reflectometer measurements with measurements obtained using Test Method E903. This
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Supplier: ASTM International
Description: reflectance to determine solar reflectance from measurements at four wavelengths in the solar spectrum: 380 nm, 500 nm, 650 nm, and 1220 nm. This technique is supported by comparison of reflectometer measurements with measurements obtained using Test Method E 903. This
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Supplier: ASTM International
Description: reflectance to determine solar reflectance from measurements at four wavelengths in the solar spectrum: 380 nm, 500 nm, 650 nm, and 1220 nm. This technique is supported by comparison of reflectometer measurements with measurements obtained using Test Method E903. This
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Supplier: ASTM International
Description: reflectance to determine solar reflectance from measurements at four wavelengths in the solar spectrum: 380 nm, 500 nm, 650 nm, and 1220 nm. This technique is supported by comparison of reflectometer measurements with measurements obtained using Test Method E903. This
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Comparison of Techniques for In Situ Nondamaging Measurement of Solar Reflectances of Low-Slope Roof Membranes
Based on these results, the average bias for one instrument, a portable solar spectrum reflectometer using a built-in light source, was +0.003.
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Measuring solar reflectance Part II: Review of practical methods
an updated version of the Solar Spectrum Reflectometer (version 6).
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Measuring solar reflectance Part I: Defining a metric that accurately predicts solar heat gain
a solar spectrophotometer or version 6 of the Solar Spectrum Reflectometer .
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Exposure Testing of Solar Absorber Surfaces
Devices and Services Solar Spectrum Reflectometer .
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Agricultural pathogen decontamination
technology-reducing the threat of infectious agent spread.
Baseline reflectance (265-2500 nm) measurements were taken of representative substrates using Cary 5E UV-VIS-NIR Spectrophotometer and the Solar Spectrum Reflectometer , model SSR.
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Surface roughness effects on the solar reflectance of cool asphalt shingles
The solar reflectances (measured with a Solar Spectrum Reflectometer as discussed in Sec. 4) corresponding to Figs. 1 (a), (b), and (c) are 0.246, 0.209, and 0.232, respectively.
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Durability of Building Materials and Components
We measured the spectral reflectance with a spectrophotometer (Perkin-Elmer Lambda 900 with Labsphere integrating sphere) according to ASTM E 903 [36], and with a solar spectrum reflectometer (by Devices & Ser- vices) according to ASTM C 1549 [37], while the thermal …
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Preliminary Assessment of Radiation Control Coatings for Buildings
The effect of thickness on the apparent solar reflectance of RCC product "S" was tested at coating thicknesses from 0.08 to 1.14 mm using a solar spectrum reflectometer [6].
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Examples of cooler reflective streets for urban heat-island mitigation : Portland cement concrete and chip seals
The â were measured in our laboratory using a Devices and Services Solar Spectrum Reflectometer .
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Portable instrumentation for solar absorptance and emittance measurements
A Solar Spectrum Reflectometer was used for solar absorptance measurements while a model AE Emissometer was used to measure the emittance for an 80/sup 0/C blackbody.