Method of measuring the concentration and/or size of suspended particles by forward scattering of light
专利汇可以提供Method of measuring the concentration and/or size of suspended particles by forward scattering of light专利检索，专利查询，专利分析的服务。并且A method for measuring the concentration and/or size of illuminated particles suspended in a gas by means of the scattered light process. The suspended particles are illuminated by passing them through a focused laser beam in the vicinity of its focal plane. The light that is scattered from the particles in the direction of propagation of the laser beam within an angle of + OR - 15* with respect to the focal line of the laser beam are then evaluated by a photodetector device to determine the desired parameter. The intensity of the laser beam is reduced if the anode current of the photodetector exceeds a preset limit. The output signal of the photodetector device is fed to a potentiometer which has a logarithmic resistance per unit of its length. The output of the potentiometer is fed to a fixed single channel pulse height analyzer, which records all the pulses above a predetermined threshold value and transmits them to a counter.，下面是Method of measuring the concentration and/or size of suspended particles by forward scattering of light专利的具体信息内容。
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