SMPS-3936气溶胶粒径谱仪测试原理及其性能评定

为探索SMPS-3936气溶胶粒径谱仪整体性能的评定及其校准方法,在分析其测试原理的基础上,指出影响其性能的主要因素,然后通过实验的方法对其系统流量和测量粒子粒径的准确度这两项指标进行了研究。结果表明,通过发生标准粒子校准仪器测量颗粒粒径准确度的方法,可以从整体上评价气溶胶粒径谱仪的性能,为该类仪器的性能评定与校准提供参考依据。

Discussion on Principle and Performance of Model 3936 Scan Mobility Paticle Sizer

In order to calibrate the performance of model 3936 scan mobility paticle sizer, the testing principles of this instrument were presented and out the factors influenced on its performance were pointed out.Then, the flow rates and the accuracy of particle size measurement was studied through experiment methods. The study indicated that using standard particles to calibrate the accuracy of particle size measurement was a good method to evaluate the performance of this instrument,the calibration results satisfied the measurement demands. Some useful informations for the evaluation and calibration of this type instrument were provided.