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) |
空气监测仪
