Laboratory Comparison of Low-Cost Particulate Matter Sensors to Measure Transient Events of Pollution - Part B - Particle Number Concentrations - Dataset

This repository contains the data used for the analysis of the paper "Laboratory Comparison of Low-Cost Particulate Matter Sensors to Measure Transient Events of Pollution - Part B - Particle Number Concentrations (PNC)" which is under submission. The experimental conditions and the instruments used are detailed in Bulot, F.M.J.; Russell, H.S.; Rezaei, M.; Johnson, M.S.; Ossont, S.J.J.; Morris, A.K.R.; Basford, P.J.; Easton, N.H.C.; Foster, G.L.; Loxham, M.; Cox, S.J. Laboratory Comparison of Low-Cost Particulate Matter Sensors to Measure Transient Events of Pollution. <em>Sensors</em> <strong>2020</strong>, <em>20</em>, 2219. https://doi.org/10.3390/s20082219 The files are available in .csv and in .rds (for R) formats. For details about the measurement equipment used<br> during this study, please refer to the methods section of the paper. sensors_raw.csv contains the following headers: Bin0 to Bin15: Alphasense OPC-R1 particle number concentrations for different size bins Bin[1-3-5-7]MToF: mean time of flight of particles within the corresponding size bins of the Alphasense OPC-R1 Checksum: checksum of the Alphasense OPC-R1 SFR: sample flow rate of the Alphasense OPC-R1 Humidity: relative humidity measured by the Alphasense OPC-R1 Temperature: temperature measured by the Alphasense OPC-R1 SamplingPeriod: sampling period of the Alphasense OPC-R1 gr03um, gr05um, gr10um, gr25um, gr50um, gr100um: PNC measured by the Plantower PMS5003 n05, n1, n25, n4, n10: PNC measured by the Sensirion SPS30 humidity: relative humidity measured by a Sensirion SHT-3x temperature: temperature measured by a Sensirion SHT-3x sensor: id of the sensors site: name of the air quality monitor hosting the sensors exp: name of the experiment conducted source: source used to generate PM (incense or candle) variation: whether the sensors were exposed to stable or peak concentrations of PM pollution date: date in format yyyy-mm-dd HH:MM:SS For more explanations about the fields of individual sensors, please refer to their manual (Alphasense OPC-R1: https://kolegite.com/EE_library/datasheets_and_manuals/sensors/OPC/072-0500_OPC-R1_manual_issue_1_250219.pdf ; Plantower PMS5003: https://www.aqmd.gov/docs/default-source/aq-spec/resources-page/plantower-pms5003-manual_v2-3.pdf ; Sensirion SPS30: https://sensirion.com/products/catalog/SPS30/) ops.csv and ops.rds contains the readings from the OPS with the following cut sizes for the bins: Bin 1 Cut Point (um),0.300 Bin 2 Cut Point (um),0.374 Bin 3 Cut Point (um),0.465 Bin 4 Cut Point (um),0.579 Bin 5 Cut Point (um),0.721 Bin 6 Cut Point (um),0.897 Bin 7 Cut Point (um),1.117 Bin 8 Cut Point (um),1.391 Bin 9 Cut Point (um),1.732 Bin 10 Cut Point (um),2.156 Bin 11 Cut Point (um),2.685 Bin 12 Cut Point (um),3.343 Bin 13 Cut Point (um),4.162 Bin 14 Cut Point (um),5.182 Bin 15 Cut Point (um),6.451 Bin 16 Cut Point (um),8.031 Bin 17 Cut Point (um),10.000 nanotracer.csv and nanotracer.rds contain the measurements from the Nanotracer: N.1.: particles/cm3 dp_avg.1.: mean diameter of the particles (nm) P.1.: S_al.1.: Lung Deposited Surface Area in um2/cm3 experimental_conditions.csv and experimental_conditions.rds contain the end dates and start dates of each of the experiment conducted. "pm100_cf1","pm10_cf1","pm25_cf1"本仓库包含用于分析已投稿论文"低成本颗粒物传感器测量污染瞬态事件的实验室对比研究——第二部分：粒子数浓度(Particle Number Concentrations, PNC)"的相关数据。本研究的实验条件与所用仪器详见以下文献：Bulot, F.M.J.; Russell, H.S.; Rezaei, M.; Johnson, M.S.; Ossont, S.J.J.; Morris, A.K.R.; Basford, P.J.; Easton, N.H.C.; Foster, G.L.; Loxham, M.; Cox, S.J. 低成本颗粒物传感器用于污染瞬态事件测量的实验室对比研究. 《Sensors》, 2020, 20卷, 2219. https://doi.org/10.3390/s20082219。 本仓库提供的文件格式包括.csv与.rds（适用于R语言）。关于本研究所用测量设备的详细信息，请参阅该论文的方法学章节。 sensors_raw.csv 包含以下表头字段： Bin0至Bin15：Alphasense OPC-R1对应不同粒径档的粒子数浓度 Bin[1-3-5-7]MToF：Alphasense OPC-R1对应粒径档内粒子的平均飞行时间 Checksum：Alphasense OPC-R1的校验和 SFR：Alphasense OPC-R1的采样流量 Humidity：Alphasense OPC-R1测得的相对湿度 Temperature：Alphasense OPC-R1测得的环境温度 SamplingPeriod：Alphasense OPC-R1的采样周期 gr03um、gr05um、gr10um、gr25um、gr50um、gr100um：Plantower PMS5003测得的粒子数浓度（PNC） n05、n1、n25、n4、n10：Sensirion SPS30测得的粒子数浓度（PNC） humidity：Sensirion SHT-3x测得的相对湿度 temperature：Sensirion SHT-3x测得的环境温度 sensor：传感器的唯一标识 site：搭载该传感器的空气质量监测站名称 exp：本次开展的实验名称 source：颗粒物（PM）的生成源（香薰或蜡烛） variation：传感器所处的PM污染浓度状态（稳定浓度或峰值浓度） date：日期格式为yyyy-mm-dd HH:MM:SS 如需了解各传感器字段的详细说明，请参阅其官方手册：Alphasense OPC-R1: https://kolegite.com/EE_library/datasheets_and_manuals/sensors/OPC/072-0500_OPC-R1_manual_issue_1_250219.pdf ; Plantower PMS5003: https://www.aqmd.gov/docs/default-source/aq-spec/resources-page/plantower-pms5003-manual_v2-3.pdf ; Sensirion SPS30: https://sensirion.com/products/catalog/SPS30/ ops.csv与ops.rds包含OPS传感器的观测数据，其粒径档的切割粒径如下： Bin1 切割粒径(μm)：0.300 Bin2 切割粒径(μm)：0.374 Bin3 切割粒径(μm)：0.465 Bin4 切割粒径(μm)：0.579 Bin5 切割粒径(μm)：0.721 Bin6 切割粒径(μm)：0.897 Bin7 切割粒径(μm)：1.117 Bin8 切割粒径(μm)：1.391 Bin9 切割粒径(μm)：1.732 Bin10 切割粒径(μm)：2.156 Bin11 切割粒径(μm)：2.685 Bin12 切割粒径(μm)：3.343 Bin13 切割粒径(μm)：4.162 Bin14 切割粒径(μm)：5.182 Bin15 切割粒径(μm)：6.451 Bin16 切割粒径(μm)：8.031 Bin17 切割粒径(μm)：10.000 nanotracer.csv与nanotracer.rds包含Nanotracer传感器的测量数据： N.1.：粒子浓度（单位：粒子/cm³） dp_avg.1.：粒子平均直径（单位：nm） S_al.1.：肺沉积表面积（单位：μm²/cm³） experimental_conditions.csv与experimental_conditions.rds包含各次实验的起始日期与结束日期，包含字段：pm100_cf1、pm10_cf1、pm25_cf1。