真空单位换算表各国单位换算表4
UNITS OFTEN USED FOR PRESSURE
|
|
psi (1) |
in.H2O (2) |
in.Hg (3) |
kPa |
millibar |
cm H2O (4) |
mm Hg (5) |
|
psi |
1.000 |
27.680 |
2.036 |
6.8947 |
68.947 |
70.308 |
51.715 |
|
in.H2O |
3.6127 10-2 |
1.000 |
7.3554 10-2 |
0.2491 |
2.491 |
2.5400 |
1.8683 |
|
in.Hg |
0.4912 |
13.596 |
1.000 |
3.3864 |
33.864 |
34.532 |
25.400 |
|
kPa |
0.14504 |
4.0147 |
0.2953 |
1.000 |
10.000 |
10.1973 |
7.5006 |
|
millibar |
0.01450 |
0.40147 |
0.02953 |
0.100 |
1.000 |
1.01973 |
0.7355 |
|
cm H2O |
1.4223 10-2 |
0.3937 |
2.8958 10-2 |
0.09806 |
0.9806 |
1.000 |
0.7355 |
|
mm Hg (torr) |
1.9337 10-2 |
0.53525 |
3.9370 10-2 |
0.13332 |
1.3332 |
1.3595 |
1.000 |
(1) pounds per square inch
(2) at 39 ?F
(3) at 32 ?F
(4) at 4 ?C
(5) at 0 ?C
Also:
High pressures are often expressed in units of atmospheres (1 atm =1.01325 105 Pa), bar ( 1 bar= 105 Pa), megapascal ( 1Mpa=106), or even megabar ( 1 Mbar = 106). Low pressures of a high vacuum are commonly evaluated in units of torr( 1torr = 1 mmHg) or micrometers of mercury (
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地 址：苏州市工业园区港田路工业坊99号港田工业坊17幢220
总 机：0512-65931579 转分机809或808 联系人：马先生
手 机： 15312144650
客户服务： sales@vacsz.com
网 址：www.ihighvacuum.com
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