环境粉尘监测仪

环境粉尘监测仪通过双采样系统实时检测空气中的颗粒物，包括半挥发性化合物。它可以同时测量PM10、PM2.5、PM1的粉尘质量分数，以及31个尺寸通道中的粒度分布。
环境粉尘监测仪特点
独特的PM10、PM2.5和PM1监测，具有两条采样线的双采样系统，使用Nafion和加热SVC蒸发器进行等温湿度提取
SVC蒸发器可选温度的SVC控制器
用于粒度分布的31个粒度通道
用于远程访问和实时数据分析的数据记录器
由于用于保护激光器和探测器的净化空气，长期稳定性和极低的零点漂移
风速+风向、T、RH、P和降水的气象传感器
适用于多种应用
一体化解决方案，即用即用，坚固耐用
气动气溶胶聚焦
光学池中分析的总入口流量（1.2 l/min）
节约成本，低维护
环境粉尘监测仪应用领域
环境气溶胶研究
来源分配
气态前体形成二次PM
VOC和SVOC在粉尘质量分数中的贡献
环境粉尘监测仪规格参数
 

Sampling inlet	Dual sampling systemIsothermal humidity extraction with Nafion and heated SVC evaporatorSelectable intervals for sampling lines
Detection principle	Light scattering at single particles with diode laser
Output	PM10, PM2.5, PM1Number concentration and size distributionWith and without SVC ratio
Particle size range	0.25 … 32 µm
Size channels	31
Particle number concentration	0 … 3,000,000 particles/liter
Dust mass concentration	0 μg/m³ … 100 mg/m³
Reproducibility	> 97% of total measuring range
Time resolution	6 s (selectable storage intervals: 6 s, 1 min, 5 min, 10 min, 15 min, 30 min, 1 h)
Volume flow rate	1.2 l/min ±3% due to self-regulation according to ISO 21501-1
Internal purge air	0.4 l/min, protects laser optics, reference air for self-test
Power supply	85 … 264 VAC, 47 … 63 Hz
Power consumption	Pmax: 300 WImax: 1.4 A
Data interfaces	Data logger or RS-232 with GRIMM software or HyperTerminal
Dimensions (H x W x D)	Housing: 70 x 50 x 27 cm (27.6 x 19.7 x 10.6 in)Dual sampling pipe: Approx. 140 x Ø14 cm (55.1 x 5.5 in)Total: 210 x 50 x 27 cm (55.1 x 19.7 x 10.6 in)
Weight	Housing: 36 kg (79.4 lbs)Dual sampling pipe: 10 kg (22.0 lbs)Total: 46 kg (101.4 lbs)
Operating conditions	-20 … +40 °C (-4 … 104 °F)RH < 95%, non condensing900 … 1,100 mbar
Transport and storage	-20 … +50 °C (-4 … 122 °F)RH < 95%
Accessories	157L sensor for temperature, relative humidity, and barometric pressure158L as 157L plus wind speed and wind direction159L as 158L plus precipitation