| 摘要 |
Method and arrangement for an optical detector arrangement for detecting and registering incident ultraviolet (UV) radiation and characteristics of a protective agent applied thereon. The arrangement includes at least two sensors each connected to electrical circuitry for generating a detection signal, one of the at least two sensors is arranged as a reference sensor and the other one as a detector sensor to be applied with a protective agent. The electrical circuitry is arranged to compare signals from the reference and indicator sensors and output an signal corresponding to the characteristics of the protective agent.
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