Pressure and Vacuum Chamber used for Calibration of Weather Stations across the US

Have you ever wondered how the weather forecast works? You must admit; the weathermen (or weatherwoman) have become a whole lot more accurate over time. 10 years ago, the weather forecast was not as accurate as it is today.

Part of the reason is that we have better forecasting technology as in more powerful computers who crunch numbers faster to out a most likely scenario. Another reason is that mathematics, physics, and science has progressed. The main reason however, is that we have better tools and equipment.

Did you know that there are countless large weather stations spread across the US that continuously measure and record temperature, moisture, wind speed, barometric pressure, etc. Over the years, I have done a lot of trail running and have passed countless of these weather stations and never bothered to ask myself what these fenced off structures were spread all across the Wasatch Front. It all changed one day when we received a call from one of the engineers who maintains and calibrates the sensors of weather stations.

The requirements were simple, build a pressure and vacuum chamber with several vacuum feedthrough wires so that the calibration engineer has the ability to connect to the sensors inside the vacuum chamber during the vacuum run without compromising the vacuum. The overpressure is required because the sensors are calibrated from sea level to 30,000 feet. At higher altitudes, additional pressure must be applied to simulate atmospheric pressure present at sea level.

Clear Acrylic Vacuum Chambers turned out to be a good choice because the walls are transparent enabling full view of chamber interior during calibration. In addition to being fully transparent, acrylic vacuum chambers are easily modified which means that several vacuum feedthroughs can be added to the vacuum chamber with relative ease.

If you would like to find out more about how to get a similar vacuum chamber, fell free to Contact Us

Did you know that we carry a many more products?

We treat our customers well by Over-Delivering on our Promises (reason why we are Highly Rated on Google My Business). You should check out some of our other items we carry; click on the links below.

Vacuum Decay Leak Testing Systems
Vacuum Decay Leak Testing Systems are Instruments that detect and quantify a leak by measuring the drop in vacuum (pressure) inside the specimen. During a vacuum decay leak test, the specimen is placed into a vacuum chamber, the vacuum is pulled to a specified setpoint, and the drop in vacuum is monitored and recorded over time. If a leak in the specimen exists, the air will travel from a higher pressure (inside the specimen) to a lower pressure (vacuum chamber). As a results of the additional air, the vacuum levels will drop whereas a leak can be detected and quantified.
Rotary Vane Vacuum Pumps
Rotary Vane Vacuum Pumps are the most widely used vacuum pump in the industry. When it comes to performance at a reasonable price, rotary vane vacuum pumps are the way to go. Many Rotary Vane Pumps can achieve 2 to 5 milliTorr vacuum rating at a good volumetric flowrate (2 to 20 CFM) at a very reasonable price (hundreds to a few thousand dollars)
Our Work: Vacuum Testing of Lithium Ion Batteries, Thin Film, Fuel Cells, Supercapacitors, and Nano materials
This vacuum chamber is a modification to our basic acrylic vacuum chamber 12 inch, removable lid model; except that our customer requested additional ports and electrical feed-through for testing of electrical equipment under vacuum. You know, I wish we would have asked them for more details on what they were doing with this chamber; their short and concise answer was that they were using our chamber to perform scientific work on the subjects of: lithium ion batteries, thin films, fuel cells, super-capacitors, and nano-materials testing in a vacuum environment.
Related Articles: Rotary Vane Vacuum Pumps, The Definitive Guide
In the article we are going to cover rotary vane vacuum pumps. We will touch upon how they work, what they are used for, when to utilize a rotary vane vacuum pump, its advantages and disadvantages. Perhaps you have noticed that rotary vane vacuum pumps come in all shapes and sizes. On one website, the vacuum pump is less than a $100; on another website you see a vacuum pump quotes at $10,000. I would imagine that you immediately ask yourself what the deal here is.