环境温度相对湿度露点对照表
相对湿度Ψ9590858075706560555045403530环境温度Ta109.28.47.66.75.84.83.62.51.50-1.3-0.3-5.0-7.01110.29.48.67.76.75.84.83.52.51.0-0.5-2-4-6.51211.210.99.58.77.76.75.54.43.32.00.5-1-3-51312.211.410.59.68.77.76.65.34.12.81.4-0.2-2-4.51413.212.411.510.69.68.67.56.45.13.52.20.7-1-3.21514.213.412.511.610.69.68.47.36.04.63.11.5-0.3-2.31615.214.313.412.611.610.69.58.37.05.64.02.40.5-1.31716.215.314.513.512.511.510.29.28.06.55.03.21.5-0.51817.216.415.414.513.512.511.310.29.07.45.84.02.30.21918.217.316.515.414.513.412.211.09.88.46.85.03.21.02019.218.317.416.515.414.413.212.010.79.47.86.04.02.02120.219.318.417.416.415.314.212.911.710.28.67.05.02.82221.220.319.418.417.316.315.213.812.511.09.57.85.83.52322.221.320.419.418.417.316.214.813.512.010.48.76.84.42423.122.321.420.419.318.217.015.814.513.011.49.77.75.32523.923.222.321.320.319.118.016.815.414.012.310.58.66.22625.124.223.322.321.220.119.017.716.314.813.211.49.47.02726.125.224.323.222.221.119.918.717.315.814.012.210.38.02827.126.225.224.223.122.020.919.618.116.715.013.211.28.82928.127.226.225.224.123.021.320.519.217.615.914.012.09.73029.128.227.226.225.123.922.821.420.018.516.815.012.910.53130.129.228.226.926.024.823.722.420.919.417.815.913.711.43231.130.129.228.127.025.824.623.321.920.318.616.814.712.23332.131.130.129.028.026.825.624.222.921.319.617.615.613.03433.132.131.129.529.027.726.525.223.821.220.518.616.513.93534.133.132.131.029.928.727.526.224.623.121.419.517.414.93635.1834.0533.132.030.929.728.427.025.724.022.220.318.115.73736.2035.234.0533.031.830.729.527.926.524.923.221.219.216.63836.9536.035.0633.932.731.530.328.927.425.823.922.019.917.53936.836.234.933.832.531.229.828.326.624.923.020.818.14036.835.834.733.532.130.729.227.625.823.821.619.2露 点Td（℃）环境温度、相对湿度、露点对照表
注：表中保冷、防结露环境温度（Ta）取夏季空调室外（干球）温度；相对湿度Ψ取最热月平均相对湿度。
露点与相对湿度对应关系表
露点与相对湿度对应关系表
室温露点
17℃
18℃
19℃
20℃
21℃
22℃
23℃
24℃
25℃
-50℃ 0.32% 0.30% 0.28% 0.27% 0.25% 0.23% 0.22% 0.21% 0.19%
-45℃ 0.56% 0.52% 0.51% 0.49% 0.44% 0.41% 0.38% 0.37% 0.34%
-40℃ 0.96% 0.90% 0.86% 0.78% 0.74% 0.7% 0.65% 0.64% 0.58%
-35℃ 1.60% 1.49% 1.44% 1.30% 1.24% 1.16% 1.09% 1.06% 0.96%
-30℃ 2.58% 2.42% 2.32% 2.10% 2% 1.88% 1.76% 1.71% 1.55%
-25℃ 4.10% 3.83% 3.68% 3.33% 3.17% 2.98% 2.79% 2.71% 2.47%
-20℃ 6.36% 5.96% 5.72% 5.18% 4.93% 4.63% 4.33% 4.22% 3.85%
-15℃ 9.72% 9.10% 8.72% 7.90% 7.52% 7.06% 6.61% 6.44% 5.85%
-10℃ 14.5% 13.63% 13.07% 11.83% 11.27% 10.58% 9.91% 9.64% 8.80%
-5℃ 21.44% 20.05% 19.27% 17.44% 16.61% 15.6% 14.61% 14.22% 12.96%
0℃ 31.12% 29.17% 27.98% 25.33% 24.21% 22.64% 21.21% 20.65% 18.85%
相对湿度 露点 相对湿度 露点
0.1% -51.75 4.0% -17.84
温湿度露点对照表之欧阳美创编
欧阳美创编 2021.01.01 欧阳美创编 2021.01.01
欧阳美创编 2021.01.01 欧阳美创编 2021.01.01 环境温度、相对湿度、露点对照表
时间：2
相对湿度Ψ（%） 95 90 85 80 75 70 65 60 55 50 45 40 35 30
环境温度Ta（℃） 露 点Td（℃）
10 9.2 8.4 7.6 6.7 5.8 4.8 3.6 2.5 1.5 0 -1.3 -0.3 -5.0 -7.0
11 10.2 9.4 8.6 7.7 6.7 5.8 4.8 3.5 2.5 1.0 -0.5 -2 -4 -6.5
12 11.2 10.9 9.5 8.7 7.7 6.7 5.5 4.4 3.3 2.0 0.5 -1 -3 -5
13 12.2 11.4 10.5 9.6 8.7 7.7 6.6 5.3 4.1 2.8 1.4 -0.2 -2 -4.5
14 13.2 12.4 11.5 10.6 9.6 8.6 7.5 6.4 5.1 3.5 2.2 0.7 -1 -3.2
15 14.2 13.4 12.5 11.6 10.6 9.6 8.4 7.3 6.0 4.6 3.1 1.5 -0.3 -2.3
16 15.2 14.3 13.4 12.6 11.6 10.6 9.5 8.3 7.0 5.6 4.0 2.4 0.5 -1.3
17 16.2 15.3 14.5 13.5 12.5 11.5 10.2 9.2 8.0 6.5 5.0 3.2 1.5 -0.5
露点与相对湿度对应关系表 2
露点与相对湿度对应关系表(总1页)
-CAL-FENGHAI.-(YICAI)-Company One1
-CAL-本页仅作为文档封面，使用请直接删除 露点与相对湿度对应关系表
室温露点
17℃
18℃
19℃
20℃
21℃
22℃
23℃
24℃
25℃
-50℃ 0.32% 0.30% 0.28% 0.27% 0.25% 0.23% 0.22% 0.21% 0.19%
-45℃ 0.56% 0.52% 0.51% 0.49% 0.44% 0.41% 0.38% 0.37% 0.34%
-40℃ 0.96% 0.90% 0.86% 0.78% 0.74% 0.7% 0.65% 0.64% 0.58%
-35℃ 1.60% 1.49% 1.44% 1.30% 1.24% 1.16% 1.09% 1.06% 0.96%
-30℃ 2.58% 2.42% 2.32% 2.10% 2% 1.88% 1.76% 1.71% 1.55%
-25℃ 4.10% 3.83% 3.68% 3.33% 3.17% 2.98% 2.79% 2.71% 2.47%
-20℃ 6.36% 5.96% 5.72% 5.18% 4.93% 4.63% 4.33% 4.22% 3.85%
-15℃ 9.72% 9.10% 8.72% 7.90% 7.52% 7.06% 6.61% 6.44% 5.85%
-10℃ 14.5% 13.63% 13.07% 11.83% 11.27% 10.58% 9.91% 9.64% 8.80%
-5℃ 21.44% 20.05% 19.27% 17.44% 16.61% 15.6% 14.61% 14.22% 12.96%
露点、温度、相对湿度对照表5(1)(1).28
温度℃露点℃31302928272625242322212019181716151413121110
-400.290.30.320.340.360.380.400.430.460.490.520.550.580.620.660.710.750.800.860.920.981.05
-390.320.340.360.380.400.430.450.480.510.540.580.610.650.700.740.790.840.900.961.021.091.17
-380.360.380.40.420.450.480.510.540.570.610.650.690.730.780.830.880.941.001.071.151.221.31
-370.40.420.450.470.500.530.570.600.640.680.720.770.820.870.930.991.051.121.201.281.371.46
-360.450.470.50.530.560.600.630.670.710.760.810.860.910.971.031.101.171.251.341.431.531.63
-350.50.530.560.590.630.660.700.750.790.840.900.951.021.081.151.231.311.401.491.591.701.82
-340.550.590.620.660.700.740.790.830.890.941.001.061.131.211.281.371.461.561.661.771.902.03
-330.620.650.690.730.780.820.870.930.991.051.111.181.261.341.431.521.621.731.851.972.112.26
-320.690.730.770.810.860.920.971.031.101.161.241.321.401.491.591.691.811.932.062.202.352.51
露点温度和湿度的换算表
露点温度与主要湿度换算表（0-60℃）
露点
℃ 饱与水蒸汽气压
Pa 混合比（空气）
g/kg 比湿（空气）
g/kg 绝对湿度
(20℃)g/m3 体积比
PPmv 重量比
PPmw 相对湿度
（20℃）%
0 611、213 3、775 3、761 4、518 6069 3775 26、14
1 657、089 4、060 4、043 4、857 6527 4060 28、10
2 705、949 4、364 4、345 5、218 7016 4364 30、19
3 758、023 4、688 4、666 5、603 7537 4688 32、41
4 813、467 5、034 5、009 6、013 8093 5034 34、79
5 872、469 5、402 5、373 6、449 8685 5402 34、79
6 935、223 5、795 5、761 6、913 9316 5795 39、99
7 1001、93 6、212 6、174 7、406 9987 6212 42、84
8 1072、8 6、656 6、612 7、929 10701 6656 45、87
9 1148、06 7、128 7、078 8、486 11460 7128 49、09
10 1227、94 7、630 7、573 9、076 12267 7630 52、51
11 1312、67 8、164 8、098 9、702 13125 8164 56、13
12 1402、51 8、730 8、655 10、366 14036 8730 59、97
13 1497、72 9、332 9、246 11、070 15003 9332 64、05
14 1598、55 9、970 9、872 11、815 16029 9970 68、36
15 1705、32 10、648 10、535 12、605 17118 10648 72、92
温湿度露点对照表之欧阳歌谷创作
欧阳歌谷创编 2021年2月1
欧阳歌谷创编 2021年2月1 环境温度、相对湿度、露点对照表
欧阳歌谷（2021.02.01）
相对湿度Ψ（%） 95 90 85 80 75 70 65 60 55 50 45 40 35 30
环境温度Ta（℃） 露 点Td（℃）
10 9.2 8.4 7.6 6.7 5.8 4.8 3.6 2.5 1.5 0 1.3 0.3 5.0 7.0
11 10.2 9.4 8.6 7.7 6.7 5.8 4.8 3.5 2.5 1.0 0.5 2 4 6.5
12 11.2 10.9 9.5 8.7 7.7 6.7 5.5 4.4 3.3 2.0 0.5 1 3 5
13 12.2 11.4 10.5 9.6 8.7 7.7 6.6 5.3 4.1 2.8 1.4 0.2 2 4.5
14 13.2 12.4 11.5 10.6 9.6 8.6 7.5 6.4 5.1 3.5 2.2 0.7 1 3.2
15 14.2 13.4 12.5 11.6 10.6 9.6 8.4 7.3 6.0 4.6 3.1 1.5 0.3 2.3
16 15.2 14.3 13.4 12.6 11.6 10.6 9.5 8.3 7.0 5.6 4.0 2.4 0.5 1.3
17 16.2 15.3 14.5 13.5 12.5 11.5 10.2 9.2 8.0 6.5 5.0 3.2 1.5 0.5
温湿度露点对照表之欧阳家百创编
欧阳家百创编
欧阳家百创编 环境温度、相对湿度、露点对照表
欧阳家百（2021.03.07）
相对湿度Ψ（%） 95 90 85 80 75 70 65 60 55 50 45 40 35 30
环境温度Ta（℃） 露 点Td（℃）
10 9.2 8.4 7.6 6.7 5.8 4.8 3.6 2.5 1.5 0 1.3 0.3 5.0 7.0
11 10.2 9.4 8.6 7.7 6.7 5.8 4.8 3.5 2.5 1.0 0.5 2 4 6.5
12 11.2 10.9 9.5 8.7 7.7 6.7 5.5 4.4 3.3 2.0 0.5 1 3 5
13 12.2 11.4 10.5 9.6 8.7 7.7 6.6 5.3 4.1 2.8 1.4 0.2 2 4.5
14 13.2 12.4 11.5 10.6 9.6 8.6 7.5 6.4 5.1 3.5 2.2 0.7 1 3.2
15 14.2 13.4 12.5 11.6 10.6 9.6 8.4 7.3 6.0 4.6 3.1 1.5 0.3 2.3
16 15.2 14.3 13.4 12.6 11.6 10.6 9.5 8.3 7.0 5.6 4.0 2.4 0.5 1.3
17 16.2 15.3 14.5 13.5 12.5 11.5 10.2 9.2 8.0 6.5 5.0 3.2 1.5 0.5
18 17.2 16.4 15.4 14.5 13.5 12.5 11.3 10.2 9.0 7.4 5.8 4.0 2.3 0.2
19 18.2 17.3 16.5 15.4 14.5 13.4 12.2 11.0 9.8 8.4 6.8 5.0 3.2 1.0
露点与相对湿度对应关系表 3
相对湿度露点0.10%-51.75
0.20%-46.085.670.30%-42.623.460.40%-40.112.510.50%-38.121.990.60%-36.471.650.70%-35.061.410.80%-33.821.240.90%-32.721.1
1.00%-31.730.991.10%-30.820.911.20%-29.990.831.30%-29.220.771.40%-28.50.721.50%-27.820.681.60%-27.190.631.70%-26.590.61.80%-26.030.561.90%-25.490.542.00%-24.980.512.10%-24.490.492.20%-24.020.472.30%-23.570.452.40%-23.140.432.50%-22.730.412.60%-22.330.42.70%-21.940.392.80%-21.570.372.90%-21.20.373.00%-20.850.353.10%-20.510.343.20%-20.180.333.30%-19.860.323.40%-19.550.313.50%-19.250.33.60%-18.950.33.70%-18.670.283.80%-18.390.283.90%-18.110.284.00%-17.840.274.10%-17.580.264.20%-17.330.254.30%-17.070.264.40%-16.830.244.50%-16.590.244.60%-16.350.244.70%-16.120.234.80%-15.90.224.90%-15.670.235.00%-15.460.21
6.00%-13.471.997.00%-11.771.78.00%-10.281.499.00%-8.951.3310.00%-7.751.211.00%-6.651.112.00%-5.641.0113.00%-4.710.9314.00%-3.830.8815.00%-3.020.8116.00%-2.250.7717.00%-1.151.118.00%-0.830.3219.00%-0.150.6820.00%0.50.65
露点与湿度
露点温度与主要湿度换算表（0-60℃）
露点
℃ 饱和水蒸汽气压
Pa 混合比（空气）
g/kg 比湿（空气）
g/kg 绝对湿度
(20℃)g/m3 体积比
PPmv 重量比
PPmw 相对湿度
（20℃）%
0 611.213 3.775 3.761 4.518 6069 3775 26.14
1 657.089 4.060 4.043 4.857 6527 4060 28.10
2 705.949 4.364 4.345 5.218 7016 4364 30.19
3 758.023 4.688 4.666 5.603 7537 4688 32.41
4 813.467 5.034 5.009 6.013 8093 5034 34.79
5 872.469 5.402 5.373 6.449 8685 5402 34.79
6 935.223 5.795 5.761 6.913 9316 5795 39.99
7 1001.93 6.212 6.174 7.406 9987 6212 42.84
8 1072.8 6.656 6.612 7.929 10701 6656 45.87
9 1148.06 7.128 7.078 8.486 11460 7128 49.09
10 1227.94 7.630 7.573 9.076 12267 7630 52.51
11 1312.67 8.164 8.098 9.702 13125 8164 56.13
12 1402.51 8.730 8.655 10.366 14036 8730 59.97
13 1497.72 9.332 9.246 11.070 15003 9332 64.05
14 1598.55 9.970 9.872 11.815 16029 9970 68.36
15 1705.32 10.648 10.535 12.605 17118 10648 72.92
25℃时空气露点与相对湿度对照表
露点相对湿度露点相对湿度-51.750.1%-18.673.7%-46.080.2%-18.393.8%-42.620.3%-18.113.9%-40.110.4%-17.844.0%-38.120.5%-17.584.1%-36.470.6%-17.334.2%-35.060.7%-17.074.3%-33.820.8%-16.834.4%-32.720.9%-16.594.5%-31.731.0%-16.354.6%-30.821.1%-16.124.7%-29.991.2%-15.904.8%-29.221.3%-15.674.9%-28.501.4%-15.465.0%-27.821.5%-13.476.0%-27.191.6%-11.777.0%-26.591.7%-10.288.0%-26.031.8%-8.959.0%-25.491.9%-7.7510.0%-24.982.0%-6.6511.0%-24.492.1%-5.6412.0%-24.022.2%-4.7113.0%-23.572.3%-3.8314.0%-23.142.4%-3.0215.0%-22.732.5%-2.2516.0%-22.332.6%-1.1517.0%-21.942.7%-0.8318.0%-21.572.8%-0.1519.0%-21.202.9%0.5020.0%-20.853.0%6.2430.0%-20.513.1%10.4840.0%-20.183.2%13.8650.0%-19.863.3%16.7060.0%-19.553.4%19.1570.0%-19.253.5%21.3180.0%-18.953.6%23.2490.0%25℃时空气露点与相对湿度对照表