TSI Aerodynamic Particle Sizer 3321, Grimm Aerosol Spectrometer 1.109, HCT Particle Sensor 3030을 이용한 PM2.5 측정결과 비교 = Comparison Study of the TSI Aerodynamic Particle Sizer 3321, Grimm Aerosol Spectrometer 1.109 and HCT Particle Sensor 3030 for PM2.5 measurement

다국어 초록 (Multilingual Abstract)

Three different commercial particle counters were used to measure the PM2.5 particles in this study. An Aerosol Spectrometer (AS) 1.109 model of Grimm and a Particle Sensor (PS) 3030 model of HCT were compared with an Aerodynamic Particle Sizer (APS) 3321 model of TSI. The responses of these instruments were compared for four sizes (1.0㎛, 1.5㎛, 2.0㎛ and 2.5㎛) of polystyrene latex (PSL) particles and indoor air particles of the office room. The mode diameter, particle size distribution and total particle number concentration of PSL particles were measured by each instrument. In the office room, the total particle number concentration was measured for 25 minutes. In results of particle size distribution and mode diameter, the APS 3321 (52 size-channels) was more accurate than the AS 1.109 (31 size-channels) and PS-3030 (10-szie channels) since the APS has more number of size-channels than the other instruments. However, AS 1.109 and PS-3030 provided similar results of total particle number concentration to those from the APS 3321. In results of office room test, there were no significant difference from each instrument similar to results of PSL test.

참고문헌 (Reference)

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