PM2.5粉尘检测仪
PC-3A直读式激光可吸入粉尘测试仪（袖珍型） 
PC-3A直读式激光可吸入粉尘测试仪是光散射式可吸入颗粒物（PM10，PM2.5）测量仪器。该仪器具有测试速度快，便携直读,灵敏度高，稳定性好，操作简单，无噪声污染、交直流两用等特点。本仪器能测量粉尘质量浓度，为卫生防疫、环境监测等部门测量可吸入粉尘（PM10, PM2.5）的*仪器。

主要技术指标 
1、可吸入粉尘测量范围：0.001~10mg/m3； 
2、检测灵敏度：0.001mg/m3；测量zui小颗粒物粒径0.1μm； 
3、测量粒径档别：2.5μm， 10μm； 
4、粉尘浓度测量相对误差：±10% 
5、稳定性相对误差：±2.5% 
6、采样流量：1.0L/min 
7、采样流量误差：≤2.5% 
8、采样流量稳定性：≤±5% 
9、颗粒物捕集特性满足Da50=（10±0.5um），δg=1.5±0.1的要求； 
10、仪器测定的重现性误差:平均相对标准差小于7%； 
11、与比重法比较,总不确定度(ROU)小于20%。 
12、采样时间：1分； 
13，工作环境： 温度（0－35℃）；湿度RH（20－70）％ 
14、工作电源：交直流电源两用；内置高容量锂电池可连续工作8小时以上。 
15、体积： 105mm×215 mm×50 mm； 
16、重量；约400g；  
本仪器的基本配置为： 1、主机 一台 3、电源充电器 一只 4、温湿度传感器 一只 5、铝合金包装箱 一只

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The PM2.5 dust detector
PC-3A direct reading laser respirable dust testing instrument (mini)
PC-3A direct reading laser respirable dust test instrument is the light scattering of inhalable particles (PM10, PM2.5) measuring instrument. The instrument has high testing speed, portable direct reading, high sensitivity, good stability, simple operation, no noise pollution, AC and DC. This instrument can measure the dust concentration, for health and epidemic prevention, environmental monitoring departments measurement of respirable dust (PM10, PM2.5) is the best instrument.
The main technical indicators
1, respirable dust measurement range: 0.001~10mg/m3;
2, the detection sensitivity: 0.001mg/m3; measuring the smallest particle size 0.1 μ m
3, to measure particle size files don't: 2.5 μ m, 10 μ
4, the measurement of dust concentration relative error: ± 10%
5, stability of relative error: ± 2.5%
6, the sampling flow rate: 1.0L/min
7, the sampling flow rate error: ≤ 2.5%
8, the sampling flow rate stability: ≤ ± 5%
9, particle trapping features to meet Da50= (10 ± 0.5um ± 0.1), δ g=1.5 requirements;
10, instrument reproducibility error: the average relative standard deviation is less than 7%;
11, and the proportion of comparison, the total uncertainty (ROU) of less than 20%.
12, sampling time: 1 minutes;
13, working environment: temperature (humidity 035 ℃); RH (2070)%
14, a working power supply: AC-DC dual-purpose; built-in high capacity lithium battery can work continuously for 8 hours or more.
15, volume: 105mm × 215 mm × 50 mm;
16, weight about 400g;
The basic configuration of the instrument is: 1, a host of 3, power supply 4, a temperature and humidity sensor, a 5 aluminum alloy box a
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