What You Need to Know About Vacuum Technology

February 8, 2023

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What is Vacuum Technology?

The beginning of vacuum technology goes as far back as the 4th century and to Aristotle who said, “nature abhors a vacuum.” What that meant was that there are unfilled spaces that are not natural and basically go against the laws of nature and physics. This explains just a little about a vacuity.

In the 17th century Gasparo Berti created a verifiable vacuum, but it was not until the 20th century that the science of vacuity technology began, and the industrial processes started. Back then, both radio and television relied on vacuum tubes, and after that the development of vacuum technology took off.

There is a lot to know about vacuum technology nowadays. You can find some information at https://www.aerzen.com/vacuum-technology.html, they will give you an idea about it. You can also do some research to find out even more.

Since the early 20th century, vacuity science and technology has developed quickly. It has created a foundation for modern industrial manufacturing and provided the platform for many technology innovations and other advanced technologies in product design and development. This makes the vacuity industry a multibillion-dollar market.

Vacuum technology has enabled other technologies to come forth and has many applications in scientific research and industry research. The biggest industry that has benefited from this technology is the semiconductor industry. It is also used in packaging, degassing, drying, coating, distillation, evacuation, and insulation. And there is even more.

There are many scientific applications that go from analytical and medical instruments and the use of vacuum in particle physics, nuclear fusion, space research, biology, material sciences, and chemistry, just to name a few: https://www.vacuumscienceworld.com/resources/vacuum-applications. Without vacuity technology, all these other discoveries would not have been possible.

Since all these technologies are different, each of them requires a different solution and they all pose different challenges. With all things considered, you need to know at least some of the underlying principles that control vacuity science the hardware that is available that is essential to all people in the industry. You should know the fundamentals of the vacuity and how it impacts the mechanism, use of vacuum pumps, and the classification of pump technologies and the selection of pumps.

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Terms You May Need to Know

Manometer – This is a device to measure pressure. It was originally filled with mercury or water and measured pressure. This term now applies to all instruments that measure similar to this device.

Sensor – This is a simple device to measure the electronic response to change in the surrounding environment. A thermocouple is an example of a sensor.

Transducer – This is simply a sensor with electronic parts to it. It typically has an output of 0.5-4.5 volts.

Absolute – This in reference to the pressure measurement to absolute vacuum which is in deep space. The typical atmospheric readings here would be 1013 mbar, 760 Torr, or 14.7 PSIA. To find out more about absolute, you can read here. This gives a more technical definition for absolute.

Gauge – This tells us the pressure measurement in regard to atmospheric pressure. Since “0” is atmospheric pressure, positive numbers mean there is pressure and negative numbers means there is a vacuum.

Gauge Pressure – This would be the pressure measured by the gauge.

Differential – The difference between two points in a system.

Vacuum Controller – This is the electronics and display that interprets the vacuity gauge readings.

Vacuum Gauge – This is a passive sensor that the industry calls the sensing part of the vacuity instrument.

Tube – This is just slang for the thermocouple gauge tube.

Active Gauge – A single enclosure that has the sensor and electronics.

Vacuum Control – A way to regulate or manipulate vacuum systems by using manual valves.

Upstream – A way to regulate vacuity pressure control.

Throttle – A way to get to a particular vacuity pressure by controlling conductance or reducing vacuum pump suction.

Downstream – Limiting the pump flow to control vacuum pressure.

Bleed – Introducing air or a specific gas to achieve a particular vacuum level.

Direct Pressure Measurement – This measures the pressure based on gas properties.

Indirect Pressure Measurement – Using a measurement instrument such as a thermocouple.

Vacuum Gauge – A battery operated display and sensor.

Micron Gauge – This is a unit to measure the level of vacuum. A micron is equal to 1/25,000 of an inch of mercury. If the number is lower, the vacuityis deeper.

Deep Vacuum Method of Evacuation – This is a method to make sure that the system is completely dry and has no non-condensibles or leaks.


This is just a little information about vacuity technology for beginners. This should be easy to understand for the most part, but you will want to do more research if you want more technical terms and explanations. This article is just a start to your research. You will want to learn more about this, especially if you are going into a field of vacuity technology.





I believe in making the impossible possible because there’s no fun in giving up. Travel, design, fashion and current trends in the field of industrial construction are topics that I enjoy writing about.

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