Automatic filter paper-type smokemeter for diesel vehicles free of tobacco smoke accelerate the state measurement.
全自动滤纸式烟度计，用于柴油车自由加速状态下排烟的烟度测量。
2
Measure of the effective optical path of QN-1total flow extinction type smokemeter developed recently is described in detail.
对近期所研制的QN - 1型全流消光式烟度计有效光路的测定进行了较为详细的叙述。
3
In this paper, a new type of opacity smokemeter based on virtual instrument technique is developed with its composition and working principle presented.