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TRANSMITTANCE HAZE MEASUREMENT FOR HIGH HAZE MATERIALS (PO33, 584-590)
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Conference Proceeding by Commission Internationale de L'Eclairage, 05/01/2018
This paper presents the transmittance haze (TH) results of high haze materials measured according to current documentary standards, such as ASTM D1003 and ISO14782, and some other measurement methods, such as double-beam method, double-compensation method and BTDF. Compared to the TH by double-compensation method (theoretically accurate TH), the TH ratios of all methods were very close to 1 except for those of ASTM D1003. The ratios of ASTM D1003 became close to 1 after the sphere multiplier correction. From the TH data, the differences among various methods at high haze level are similar to those at the haze value below 40 % and it means that the structure of an integrating sphere also affect the measurement at highlevel haze mainly.
Product Details
- Published:
- 05/01/2018
- Number of Pages:
- 7
- File Size:
- 1 file , 1.3 MB
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