| 摘要 |
Installation for determination of optical density and average dimensions of smoke particles additionally includes connected to each other alternating current generator, optical collector with light dividers, optical element, selective amplifiers, differential amplifiers, support photo-receivers and at least one additional light source and one additional photo-receiver, at that alternating current generator is connected to inputs of light sources outputs of which are connected to light dividers of optical collector placed in front of quartz window of measuring chamber at opposite side of which optical element is installed, after that photo-receivers are placed outputs of which are connected to inputs of selective amplifiers outputs of which are connected to first inputs of differential amplifiers second inputs of which are connected to outputs of reference photo-receivers inputs of which are connected to outputs of light dividers, optical collector, and outputs of differential amplifiers are connected to input of computer device. |
