- 計(jì)數(shù)范圍:10級(jí)~30萬級(jí)(pcs)
美國ASTM F649-01標(biāo)準(zhǔn):“Standard Practice for Secondary Calibration of Airborne Particle Counter Using Comparison Procedures”
美國 ASTM F328-98 標(biāo)準(zhǔn):“Standard Practice for Calibration of an Airborne Particle Counter Using Monodisperse Spherical Particles”



