Patent · US Active

Device and method for calibrating a scattered-light meter

US10006856B2 · kind B2 · utility

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0References
13Claims
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Key dates

Filing dateApr 24, 2015
Grant dateJun 26, 2018
Priority date
Expiry dateApr 24, 2035

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N21/53
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A calibration device for calibrating a scattered-light meter, which is developed for measuring a particle concentration, in particular in automotive exhaust gases, has at least one diffuser which emits scattered light of an intensity and distribution defined by the diffuser when irradiated by light. In addition, the calibration device has a calibration-light source, which is situated within the diffuser or on an external surface of the diffuser.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.