When discussing vacuum pressure, the primary units used are millibar (mbar) and Torr.
These units help quantify the degree of vacuum, which is the reduction in gas pressure within a confined space.
5 Key Points to Know
1. Millibar (mbar)
Millibar is a unit commonly used in meteorology and engineering to measure atmospheric pressure.
1 mbar is equal to 100 pascals (Pa), which is a derived unit in the International System of Units (SI) for pressure.
In vacuum technology, mbar is used to describe pressure levels below atmospheric pressure.
2. Torr
Torr is a unit of pressure named after Evangelista Torricelli, the inventor of the barometer.
1 Torr is approximately equal to 1 mm of mercury (Hg) in a mercury barometer.
It is slightly different from the SI unit of pressure (pascal), with 1 Torr being approximately 133.322 Pa.
3. Application and Ranges
Different ranges of vacuum pressure are categorized into Rough/Low Vacuum, Fine/Medium Vacuum, High Vacuum, Ultra-High Vacuum, and Extreme High Vacuum.
Each category is specified in both mbar and Torr, illustrating the common usage of both units in vacuum technology.
Rough/Low Vacuum
1000 to 1 mbar / 760 to 0.75 Torr
Fine/Medium Vacuum
1 to 10^-3 mbar / 0.75 to 7.5^-3 Torr
High Vacuum
10^-3 to 10^-7 mbar / 7.5^-3 to 7.5^-7 Torr
Ultra-High Vacuum
10^-7 to 10^-11 mbar / 7.5^-7 to 7.5^-11 Torr
Extreme High Vacuum
< 10^-11 mbar / < 7.5^-11 Torr
4. Selecting Appropriate Vacuum Pumps and Systems
These ranges help in selecting appropriate vacuum pumps and systems based on the required depth of vacuum for specific applications.
Applications can include laboratories, industrial processes, or space simulations.
The choice of unit (mbar or Torr) often depends on the context and the specific industry standards.
5. KINTEK SOLUTION’s Vacuum Measurement Equipment
KINTEK SOLUTION offers vacuum measurement equipment with a profound understanding of millibar (mbar) and Torr.
Their products ensure accurate vacuum pressure readings across a range of applications.
From rough low vacuum to extreme high vacuum levels, KINTEK SOLUTION provides top-tier vacuum technology tailored for your specific needs.
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