EDM665 WRAS(Wide Range Aerosol System)宽粒径气溶胶粒径谱仪,是将光学粒径谱（OPC）和 扫描电迁移率粒径谱仪（SMPS+C）结合起来分析颗粒物粒径的设备，光学粒径谱（OPC）主要用于微米级的颗粒的监测，OPC将监测31个通道，扫描电迁移率粒径谱仪（SMPS+C）用于纳米颗粒研究，扫描电迁移率粒径谱仪（SMPS）将监测44个通道。

EDM665 WRAS宽粒径气溶胶粒径谱仪粒径监测范围为5nm到32um，总的可以分为70多个通道，系统软件将自动绘制粒径和浓度分布图。

Measurement range

Optical device

- 71 size channels

from 5.5 nm up to 32 μm

- Minimum scan time of 300 seconds

- Concentration range from 1 to 107 P/cm3

Optical device

- 71 size channels

from 5.5 nm up to 32 μm

- Minimum scan time of 300 seconds

- Concentration range from 1 to 107 P/cm3

- Size range: 250 nm to 32 μm

31 size channels

- Particle counts: 1 to 2 x 10³ P/cm³

- Sample flow: 1.2 l/min

- Reproducibility: 3% in max. range

SMPS+C

Size range: 5.5 nm to 350 nm

44 size channels

- Particle counts: 0 to 107 P/cm3

- Sample flow: 0.3 liters/min

- Auto refill: Butanol refill of internal

tank simply by connecting

the bottle

- Condensate

removal: Continuous evacuation by

micro-pump into a

collecting flask

Operating conditions

- Ambient temp.: -20°C to +55°C

- Power supply : 110/220 VAC, 50/60 Hz

- Power consumption: 750 W

Dimensions & weight incl. A/C

- Size: 60 x 60 x 120 cm

- Weight: 120 kg

- Sample pipe: 1.5 m (3 m optionally avail.)