超微粒子计数器

超微粒子计数器采用冷凝粒子计数技术,用于环境监测的冷凝颗粒计数器。根据CE/TS 16976:2016，它安装在一个移动气象外壳中用于实时监测超细颗粒。
超微粒子计数器特点
根据CEN/TS 16976:2016对超细颗粒进行实时监测
全自动24/7监控系统
温控防风雨外壳
等温干燥系统节能采样
多功能数据采集和通信（通过互联网与GSM进行数据记录器）
气象传感器
低维护，30天无人值守操作，远程访问
低浓度和高浓度下的高精度
出色的计数统计和再现性
低扩散损失
超微粒子计数器典型应用
环境气溶胶研究
超细颗粒的移动监测
交通排放监测
源标识
流行病学健康研究
公共场所和城市监测
超微粒子计数器技术参数

Detection principle	Condensation Particle Counter
Working fluid	n-butanol (n-butyl alcohol)
Output	Particle number concentration / cm³
Particle concentration range	Single count mode: Up to 150,000 particles/cm³Photometric mode: Up to 107 particles/cm³
Reproducibility	Single count mode: > 95%Photometric mode: > 90%
Particle size range	4.0 nm … 1 µmD50 = 7 nm (measured with silver particles)D90 < 14 nm
Response time	trise < 5 stfall < 5 s
Sampling and conditioning	1 m sampling pipe with sampling headIsothermal humidity extraction via Nafion membraneSensor controlled
Sample air flow rate	0.3 l/min, pulse-free carbon vane pumps
Total flow rate	1.5 l/min, ≤ 5% difference to the nominal flow rate
Flow control	Critical orifice with stabilized temperature
Diffusion losses	< 30% for smallest relevant particle size of 7 nm
Weather housing	Stainless steel, powder-coated, thermally isolated, temperature controlled
Climate sensors	Wind speed and direction, precipitation, pressure, temperature relative humidityGPS positioning
Data recording	Data logger and netbook integrated in housing for online dataOptionally on USB flash drive
Connectivity	Data logger, USB, GSM with SIM card for mobile network, analog input for meteorological sensors
Power requirements	110 … 220 VAC, 50 … 60 Hz100 … 150 W
Operating conditions	Ambient temperature: -20 ... 40 °C (-4 … 104 °F), RH < 95%Ambient humidity: 0 … 95% RH, non-condensingAbsolute pressure range: 500 … 1,100 mbar
Transport and storage	0 … 50 °C (32 … 122 °F)RH < 95%
Dimensions (H x W x D)	Housing: 49 x 28 x 65 cm (19.3 x 11 x 25.6 in)Total height with sampling pipe and meteorological sensor: 140 cm (55.1 in)
Weight	38 kg (83 lbs)