恒温恒湿试验箱的露点温度与主要湿度换算表

露点

℃

饱和水蒸汽气压

Pa

混合比（空气）

g/kg

比湿（空气）

g/kg

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

16

1818.29

11.366

11.238

13.440

18273

11366

77.75

17

1937.7

12.127

11.982

14.323

19497

12127

82.86

18

2064.09

12.934

12.769

15.256

20795

12934

88.26

19

2197.57

13.789

13.602

16.243

22169

13789

93.97

20

2338.54

14.695

14.482

17.285

23625

14695

100.00

21

2487.37

15.653

15.412

18.385

25166

15653

22

2644.42

16.668

16.395

19.546

26798

16668

23

2810.05

17.742

17.433

20.770

28524

17742

24

2984.70

18.878

18.528

22.061

30351

18878

25

3168.74

20.080

19.685

23.421

32283

20080

26

3362.60

21.350

20.904

24.854

34325

21350

27

3566.71

22.694

22.190

26.363

36485

22694

28

3781.54

24.114

23.546

27.950

38768

24114

29

4007.54

25.514

24.947

29.621

41180

25614

30

4245.20

27.199

26.497

29.621

41180

25614

31

4495.02

28.874

28.064

33.224

46422

28874

32

4757.52

30.644

29.733

35.164

49266

30644

33

5033.22

32.512

31.0489

37.202

52271

32512

34

5322.67

34.486

33.336

39.341

55443

34486

35

5626.45

36.570

35.279

41.587

58793

36570

36

5945.13

38.770

37.323

43.942

52331

38770

37

6279.33

41.093

39.471

46.412

66066

41093

38

6629.65

43.546

41.729

49.002

70010

43546

39

6996.75

46.137

44.102

51.715

74174

46137

40

7381.27

48.871

46.594

54.557

78571

48871

露点

℃

饱和水蒸汽气压

Pa

混合比（空气）

g/kg

比湿（空气）

g/kg

湿度

(20℃)g/m³

体积比

PPmv

重量比

PPmw

相对湿度

（20℃）%

41

7783.91

51.759

49.212

57.533

83214

51759

42

8205.36

54.808

51.961

60.648

88116

54808

43

8546.33

58.029

54.846

63.908

93294

58029

44

9107.57

51.430

57.875

67.317

98762

61430

45

9589.84

65.023

61.053

70.881

104538

65023

46

10093.92

68.819

64.388

74.607

110641

68819

47

10620.62

72.830

67.886

78.500

117090

72800

48

11170.76

77.070

71.556

82.566

123907

77070

49

11745.19

81.553

75.404

86.812

131114

81553

50

12344.78

86.294

79.439

91.244

138736

86294

51

12970.12

91.309

83.670

95.868

146800

91309

52

13623.04

96.617

88.105

100.692

155333

96617

53

14303.57

102.237

92.754

105.722

164368

102237

54

15012.98

108.190

97.628

110.965

173938

105190

55

15752.26

114.498

102.735

116.430

184080

114498

56

16522.43

121.187

108.088

122.122

194834

121187

57

17324.31

128.283

113.698

128.050

206243

128283

58

18159.59

135.817

119.577

134.223

218355

135581

59

19028.74

143.820

125.737

140.647

231222

143820

60

19933.09

152.329

132.193

147.331

244903

152239

露点

℃

饱和水蒸汽气压

Pa

混合比（空气）

g/kg

比湿（空气）

g/kg

湿度

(20℃)g/m³

体积比

PPmv

重量比

PPmw

相对湿度

（20℃）%

0

611.153

3.774

4.517

6068

748.5

904.1

26.13

-1

565.675

3.473

4.159

5584

688.8

832.0

24.06

-2

517.724

3.194

3.827

5136

633.5

765.2

22.14

-3

475.068

2.936

3.519

4721

582.3

703.3

20.36

-4

437.488

2.697

3.234

4336

534.9

646.1

18.71

-5

401.779

2.476

2.970

3981

491.1

593.1

17.18

-6

368.748

2.272

2.726

3653

450.5

544.2

15.77

-7

388.212

2.083

2.500

3349

413.1

499.0

14.46

-8

310.001

1.909

2.291

3069

378.5

457.2

13.26

-9

283.995

1.748

2.099

2811

346.7

418.8

12.14

-10

259.922

1.600

1.921

2572

317.2

383.2

11.11

-11

237.762

1.463

1.757

2352

290.1

350.4

10.17

-12

217.342

1.337

1.606

2150

265.2

320.3

9.294

-13

198.538

1.221

1.467

1963

242.2

292.5

8.490

-14

181.233

1.115

1.340

1792

221.0

267.0

7.750

露点

℃

饱和水蒸汽气压

Pa

混合比（空气）

g/kg

比湿（空气）

g/kg

湿度

(20℃)g/m³

体积比

PPmv

重量比

PPmw

相对湿度

（20℃）%

-15

165.319

1.016

1.222

1634

201.6

243.5

7.069

-16

150.694

0.9264

1.114

1489

183.7

221.9

6.444

-17

137.263

0.8438

1.015

1357

167.3

202.1

5.870

-18

124.938

0.7679

0.9235

1235

152.3

183.9

5.343

-19

113.634

0.6983

0.8399

1123

138.5

167.3

4.589

-20

103.276

0.6346

0.7633

1020

125.9

152.0

4.416

-21

93.7904

0.5763

0.6932

926.5

114.3

138.0

4.011

-22

85.1104

0.5229

0.6291

840.7

103.7

125.2

3.639

-23

77.1735

0.4741

0.5704

762.2

94.02

113.6

3.300

-24

69.9217

0.4295

0.5168

690.6

85.18

102.9

2.990

-25

63.3008

0.3888

0.4679

625.1

77.11

93.13

2.670

-26

57.2607

0.3517

0.4232

565.4

69.75

84.24

2.449

-27

51.7546

0.3179

0.3825

511.0

63.04

76.14

2.213

-28

46.7393

0.2870

0.3455

461.5

56.93

68.76

1.999

-29

42.1748

0.2590

0.3117

416.4

51.36

62.04

1.803

-30

38.0238

0.2335

0.2810

375.4

46.31

55.93

1.625

-31

34.2521

0.2103

0.2532

338.2

41.71

50.38

1.465

-32

30.8277

0.1893

0.2279

304.3

37.54

45.34

1.318

-33

27.7214

0.1702

0.2049

273.7

33.76

40.77

1.185

-34

24.9059

0.1529

0.1841

245.9

30.33

36.63

1.065

-35

22.3563

0.1373

0.1652

220.7

27.22

32.88

0.956

-36

20.0494

0.1231

0.1482

197.9

24.41

29.49

0.8573

-37

17.9640

0.1103

0.1328

177.3

21.87

26.42

0.7682

-38

16.0805

0.09873

0.1189

158.7

19.58

23.65

0.6876

-39

14.3809

0.08829

0.1063

141.9

17.51

21.15

0.6150

-40

12.8485

0.07888

0.09497

126.8

15.64

18.89

0.5494

-41

 11.4685

0.07041

0.08477

113.2

13.96

16.86

-42

10.2265

0.06278

0.07559

100.9

12.45

15.04

-43

9.11011

0.05593

0.06734

89.92

11.09

13.40

-44

8.10736

0.04977

0.05992

80.02

9.870

11.52

-45

7.20763

0.04425

0.05327

71.14

8.775

10.60

-46

6.40114

0.03930

0.04732

63.18

7.793

9.413

-47

5.67894

0.03486

0.04197

56.05

6.914

8.351

-49

4.45556

0.02735

0.03293

43.97

5.424

6.552

-50

3.94017

0.02419

0.02912

38.89

4.897

5.794

-51

3.48056

0.02137

0.02573

34.35

4.237

5.118

-52

3.07118

0.01885

0.02270

30.31

3.739

4.516

-53

2.70680

0.01662

0.02001

26.71

3.295

3.980

-54

2.38296

0.01463

0.01761

23.52

2.901

3.504

-55

2.09542

0.01286

0.01549

20.68

2.551

3.081

-56

1.84042

0.01130

0.01350

18.16

2.241

2.706

露点

℃

饱和水蒸汽气压

Pa

混合比（空气）

g/kg

比湿（空气）

g/kg

湿度

(20℃)g/m³

体积比

PPmv

重量比

PPmw

相对湿度

（20℃）%

-57

1.61452

0.009911

0.01193

15.93

1.965

2.374

-58

1.41463

0.008584

0.01046

13.96

1.722

2.080

-59

1.23797

0.007600

0.009150

12.22

1.507

1.820

-60

1.08203

0.006642

0.007998

10.68

1.317

1.591

-61

0.944545

0.005798

0.006981

9.322

1.150

1.389

-62

0.823473

0.005055

0.006087

8.127

1.002

1.211

-63

0.716990

0.004401

0.005299

7.076

0.8728

1.054

-64

0.623457

0.003827

0.004608

6.153

0.7590

0.9167

-65

0.541406

0.003324

0.004002

5.343

0.6590

0.7951

-66

0.469514

0.002882

0.003470

4.634

0.5716

0.6904

-67

0.406613

0.002496

0.003005

4.013

0.4950

0.5979

-68

0.351650

0.002159

0.002599

3.471

0.4281

0.5171

-69

0.303688

0.001864

0.002245

2.997

0.3697

0.4465

-70

0.261892

0.001608

0.001936

2.585

0.3188

0.3851

-71

0.225521

0.001384

0.001667

2.226

0.2745

0.3316

-72

0.193916

0.00190

0.001433

1.914

0.2361

0.2851

-73

0.166491

0.001022

0.001231

1.643

0.2027

0.2448

-74

0.142728

0.0008752

0.001085

1.409

0.1738

0.2099

-75

0.122168

0.0007499

0.000930

1.206

0.1487

0.1796