相对湿度对光散射法颗粒物在线监测系统质量浓度转换系数的影响
Influence of relative humidity on mass concentration conversion coefficient of online light scattering particle monitoring systems
摘要：
光散射法颗粒物在线监测系统由于成本低廉、稳定性好、可实时监控等特点，已被广泛应用于民用建筑室内空气、通风净化系统和建筑施工等场所的颗粒物浓度实时监控。但不同气候条件及环境下，光散射法颗粒物在线监测系统需要不同的质量浓度转换系数（K）将其相对脉冲计数转换成质量浓度后才能应用于相关场所的颗粒物浓度监控。影响K值的因素有多个，其中相对湿度是常见的重要影响因素。针对相对湿度对K值的影响进行了分析。
Abstract：
Because of its low cost, good stability and real-time monitoring, the online light scattering particle monitoring system has been widely used for real-time monitoring of particulate matter in the air and ventilation purification systems of residential buildings and construction sites. However, under different climatic conditions and environments, the online light scattering particle monitoring system requires different mass concentration conversion coefficient (K) to convert its relative pulse count into mass concentration before it can be applied to the monitoring of particulate concentration in relevant places. There are many factors affecting the K value, with the most common and important factor being the relative humidity. Analyses the potential effects of relative humidity on the K value.
Keywords:onlinemonitoringsystem,concentrationconversioncoefficient,lightscattering,relativehumidity,relativepulsecount,particulatematter