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本文叙述一种透射式液体浓度传感器,利用新型光位敏器PSD作为接收器,使在线测量成为可能。与现有的基于全反射原理制成的浓度传感器相比,具有结构简单、线性范围宽、对光源要求低等特点。
This article describes a transmissive liquid concentration sensor that makes it possible to measure online using the new PSD as a receiver. Compared with the existing concentration sensor based on the principle of total reflection, the invention has the advantages of simple structure, wide linear range and low requirement on the light source.