200型固定粒径为:0.5μm ,可调粒径为:0.5μm,0.7μm,1.0μm,2.0μm,3.0μm,5.0μm ;
执行标准:美国ASTM F649-01标准:“Standard Practice for Secondary Calibration of Airborne Particle Counter Using Comparison Procedures”美国 ASTM F328-98 标准:“Standard Practice for Calibration of an Airborne Particle Counter Using Monodisperse Spherical Particles”
功能: