Test apparatus for determining resistance to light and weather i

Details Test apparatus for determining resistance to light and weather i Test apparatus for determining resistance to light and weather i

1980-10-03

1983-07-05

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

73150R, 356328, G01N 1700, G01J 338

Patent

active

043915221

ABSTRACT:
To provide for more reliable determination of resistance of sample surfaces to light and weather influences, test apparatus is equipped with a radiation-measuring device. A portion of radiation used for testing is guided to the measuring device, by quartz guides, spectrally dispersed, and measured as to intensity and/or dosage in one or several pre-selected spectral regions. Tests may use natural or artificial radiation, and a measuring device may be stationary or movable relative to a radiation source.

REFERENCES:
patent: 3224266 (1965-12-01), Klippert
patent: 3360650 (1967-12-01), Lawrence
patent: 3576125 (1971-04-01), Kockott et al.
patent: 3686940 (1972-08-01), Kockott
patent: 3693020 (1972-09-01), Ackerman, Jr.
patent: 4012147 (1977-03-01), Walrafen
patent: 4279511 (1981-07-01), Maute et al.

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