真空漏气率的计算公式（真空度换算对照表）

MILLIBAR

TORR(mm of Hg)

MICRON(millitorr)

INCHESHG

PSIPounds PerSquare Inch

PASCAL(Pa)

1013(1 atmosphere)

760(1 atmosphere)

760000(1 atmosphere)

0(1 atmosphere)

14.69(1 atmosphere)

101,325(1 atmosphere)

1000

750

750,000

0.42

14.5

100,000

800

600

600000

6.32

11.6

80,000

533

400

400,000

14.22

7.73

52,300

267

200

200,000

22.07

3.87

25,700

133

100

100,000

25.98

1.93

13,300

60

45

45,000

28.15

0.87(8.7 x 10-1)

6,000

27

20

20,000

29.14

0.39(3.9 x 10-1)

2,700

1.33

1.0

1,000

29.88

0.02(2.0 x 10-2)

133

0.93(9.3 x l0-1)

0.7(7.0 x 10-1)

700

29.89

0.013(1.3 x 10-2)

93

0.78(7.8 x 10-1)

0.6(6.0 x 10-1)

600

29.9

0.011(1.1 x 10-2)

78

0.66(6.6 x 1-1)

0.5(5.0 x 10-1)

500

29.9

0.009(9.0 x 10-3)

66

0.53(5.3 x 10-1)

0.4(4.0 x 10-1)

400

29.9

0.008(8.0 x 10-3)

53

0.40(4.0 x 10-1)

0.3(3.0 x 10-1)

300

29.91

0.006(6.0 x 10-3)

40

0.26(2.6 x 10-1)

0.2(2.0 x 10-1)

200

29.91

0.004(4.0 x 10-3)

26

0.13(1.3 x 10-1)

0.10(1.0 x 10-1)

100

29.92

0.002(2.0 x 10-3)

13

0.09(9.0 x 10-2)

0.07(7.0 x 10-2)

70

0.0013(1.3 x 10-3)

9

0.08(8.0 x 10-2)

0.06(6.0 x 10-2)

60

0.0011(1.1 x 10-3)

8

0.07(7.0 x 10-2)

0.05(5.0 x 10-2)

50

0.0009(9.0 x 10-4)

7

0.05(5.0 x 10-2)

0.04(4.0x 10-2)

40

0.0008(8.0 x 10-4)

5

0.04(4.0 x 10-2)

0.03(3.0 x 10-2)

30

0.0006(6.0 x 10-4)

4

0.03(3.0 x 10-2)

0.02(2.0 x 10-2)

20

0.0004(4.0 x 10-4)

3

0.013(1.3 x 10-2)

0.01( l.0 x 1-2)

10

0.0002(2.0 x 10-4)

1.30

0.007(7.0 x 10-3)

0.005(5.0 x 10-3)

5

0.000096(9.6 x 10-5)

0.70(7.0 x 10-1)

0.0013(1.3 x 10-3)

0.001(1.0 x 10-3)

1

0.000019(1.9 x 10-5)

0.13(1.3 x 10-1)

0.0007(7.0 x 10-4)

0.0005(5.0 x 10-4)

0.50(5.0 x 10-1)

0.0000096(9.6 x 10-6)

0.07(7.0 x 10-2)

0.00013(1.3 x 10-4)

0.0001(l.0 x 10-4)

0.10(1.0 x 10-1)

0.0000019(1.9x 10-6)

0.013(1.3 x 10-2)