Method for measuring consistency, chopper structure, and consistency meter

作者: Lauri Uusivirta , Juhani Kangas

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摘要: The method measures consistency with a rotating meter. comprises chopping (900) the teeth of chopper structure optical radiation transmitted by an source to detector while shafts meter rotate. In addition, reference chops (902) form at least one pulse independent swivel between shafts. duration each ref erence is measured (904) when measuring consistency. change in defined (906) comparing meas ured predefined pulse. durations pulses are corrected (908) according