2018
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10
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09
真(zhen)(zhen)空(kong)(kong)(kong)(kong)可分為4級: 粗真(zhen)(zhen)空(kong)(kong)(kong)(kong) (RV): 1000 - 1 mbar 中真(zhen)(zhen)空(kong)(kong)(kong)(kong) (MV): 1 - 10-3 mbar 高真(zhen)(zhen)空(kong)(kong)(kong)(kong) (HV): -3 - 10-7 mbar 超高真(zhen)(zhen)空(kong)(kong)(kong)(kong) (UHV): -7 mbar真(zhen)(zhen)空(kong)(kong)(kong)(kong)的度(du)量單(dan)位:國際(ji)制(zhi)單(dan)位: mbar + Pa 1 mbar = 100 Pa = 1 hPa其它單(dan)位: N/m² 1 N/m² = 1 Pa = 0,01 mbar Torr 1 Torr = 1,33 mbar mmHG 1 mmHG = 1 Torr = 1,33 mbar Atmosphere 1 atm = 1013 mbar Micron 1 μ = 0,001 Torr = 0,00133 mbar PSI 1 psi = 0,069 bar % Vacuum 1 % Vacuum = 10 mbar