露点与水份关系及露点仪的选型

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1、大气露点-水分含量关系表（饱和空气）露点水分含量露点水分含量露点水分含量露点水分含量露点水分含量(℃)(g/m3)(℃)(g/m3)(℃)(g/m3)(℃)(g/m3)(℃)(g/m3)64153.83948.671412.07-112.186-360.259763147.33846.261311.35-122.026-370.235962141.23743.961210.66-131.876-380.214161135.33641.751110.01-141.736-390.194060130.335

2、39.63109.309-151.605-400.175759124.73437.6198.819-161.483-410.159058119.43335.6888.270-171.369-420.143857114.23233.8377.750-181.261-430.129856109.23132.0767.260-191.165-440.117255104.43030.3856.797-201.074-450.10555499.832928.7846.360-210.9884-460.095015

3、395.392827.2435.947-220.9093-470.085445291.122725.7845.559-230.8359-480.076755187.012624.3815.192-240.7678-490.068865083.062523.0504.523-250.7047-500.061714979.262421.78-14.487-260.6463-51.10.0544875.612320.58-24.217-270.5922-53.90.0404772.102219.43-33.9

4、30-280.5422-56.70.0294668.732118.34-43.660-290.4960-59.40.0214565.502017.30-53.407-300.4534-62.20.0144462.391916.31-163.169-310.414165.00.0114359.411815.37-72.946-320.3779-67.80.0084256.561714.48-82.737-330.3445-70.60.0054153.821613.63-92.541-340.3138-73

5、.30.0034051.191512.83-102.358-350.2856  压力MPa0.10.20.30.50.70.80.91.11.31.51.72.0校正系数0.380.530.650.850.951.01.131.251.361.461.561.7压缩空气技术要求指标名称含量国家标准ISO8573.1ISO8573.1或[(GB/T13277-91)1-2-1款]指标1级2级3级4级药品生产标准氧气含量体积分数20—22%/////二氧化碳含量mg/m3＜1400/////一氧化碳含量mg

6、/m3＜11/////含油量mg/m3＜10.010.11.05.00.01残余含尘量含尘量mg/m3/0.11.05.040.0/对应粒径μm/0.11.05.040.00.1水分露点℃＜-46-70-40-20+2-40含量mg/m3＜1005175.710745559/气味无异味和恶臭/////氮气技术要求指标名称含量纯氮指标高纯氮技术要求备注优级品一级品优级一级品合格品纯度≥99.996≥99.99≥99.9996≥99.9993≥99.999/氧含量%≤10≤50≤1.0≤2.0≤3.0/氢含

7、量×10-6≤5≤10≤0.5≤1.0≤1.0/一氧化碳含量×10-6≤5≤5≤1.0≤2.0≤3.0三种气体总含量二氧化碳含量×10-6≤5≤10甲烷含量×10-6≤5≤5水含量×10-6≥5≥20≥1.0≥2.6≥5.0/注:①纯度及其他气体含量均指体积分数；②纯氮中包含微量惰性气体氦、氩、氖；③液氮中不规定水含量。2008-08-25露点仪检测相关数字地点:大浦冷冻房序号露点相对湿度检测位置１10.330.4压缩空气１２11.334.6压缩空气２３1548.6房间内26.9℃４18.458.2压缩

8、机房露点仪(湿度测量仪器)的测量原理及正确选型发表时间：2006-10-2511:07:09北京久恒隆仪表技术开发有限责任公司空分工程部【摘要】本文从湿度测量的几种基本方法入手，分析了各自的优缺点和主要有代表性露点仪，重点从性能、价格、适用条件和操作的方便程度上向用户介绍如何选用合适的露点仪(湿度测量仪器)叙词：露点仪，微量水，露点，重量法，冷镜法，阻容法（电容法）HowtoSelectYourAppropriateMoistureAnal