PureAire Monitoring Systems 888.788.8050

The Industry Leader in Gas Detection

Our mission at PureAire is simple. Keep people safe.

Featured Product

Aircheck O2 Monitor

10 + Years No Calibration Sensor
Detects N2, Ar and He
Built-in Audible Alarm
3 Year Warranty
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A Few Words from

Our Customers



We already have several of your O2 sensors for a few years at the site and they work great. Thanks.

Cornell University

We use ~100 of them at Weill Cornell. We have used them for >5 years and have had no issues. They still have to be bump tested and calibrated annually, but having a sensor that …


Gulfstream Aerospace 

The O2 monitors are working well and doing a great job! Alarm relays are configured with the exhaust fan and is triggered a couple of times a day if we have LN2 bottles in the …


Department of Energy

Purchased the PureAire O2 monitoring system and once it arrived had it installed, very simple and neat. After a 4 minute start up sequence it automatically started to operate. We found that this unit is …


Johnson Controls

I use these devices at Yale University in animal rooms and Labs, they work great, very robust! Extremely competitive, I am very satisfied with the ease of use and lead time of this product!

Northrop Grumman

You make an excellent product, and your service is outstanding. I am happy to speak to someone interested in the Oxygen Monitor if they have any more questions about our experience.


Great customer support with timely response and follow up. Product arrived on time and as sold. Simple to install and connect.

Smitten Ice cream

We buy a lot of oxygen monitors and PureAire’s are by far the best! They have a much longer warranty than other brands and the product is a lot higher quality. Their customer service is …


The Cryo Spa

We have been using PureAire O2 Monitors at The Cryo Spa in Fort Worth for over 3 years now and they have always worked perfectly. I would highly recommend PureAire for any oxygen monitoring needs! …



My co-worker started using these devices down at Yale University, PureAire O2 depletion monitors. After years of dealing with expensive long lead MSA Tox Alert monitors it was a breath of fresh air to be …



We tested the O2 monitor and it was very nice compared to the one another department in our company has which uses disposable sensors. The calibration free feature really helps us not only reducing the …

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Latest From

Our News Room

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You know you need an O2 monitor, but where do you get one, and how much does it cost?  Selling oxygen deficiency monitors is our business, so we've rounded …
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Liquid nitrogen is a powerful and potentially dangerous form of nitrogen that freezes the water content of food and beverages within seconds. Ice cream manufacturers have developed new …
Gas Distributors and Specialty Gas Suppliers Are the Key to Technology Companies

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Why Gas Distributors Play a Crucial Role in Most Everyday Businesses?

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Inert gases power a wide range of industries, including pharmaceutical, automotive, manufacturing, and semiconductor. While argon, helium, nitrogen, and cryogenic gases have benefits and uses, there are also …
Crispr and the Editing of Genes: To Help Revolutionize Biomedical Science

Crispr and the Editing of Gene...

Scientists from MIT and Harvard University are placing their faith in a gene editing tool that may revolutionize the treatment of deadly diseases. CRISPR, which stands for Clustered Regularly Interspaced Short …

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Chip bags have all that air in them for a valid reason — and it's not air, anyway, it's nitrogen gas. So what is this gas doing in your …
Taste the Difference with Nitrogen Packed Coffee Grounds

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When it comes to flavor, coffee purists prefer whole beans, which retain their flavors longer than ground coffee. Yet there's no denying the convenience factor of ground coffee, …
Breathe Safely While Using N2 for Gas Chromatography

Breathe Safely While Using N2 ...

Gas chromatography is a process used to separate chemical compounds for analysis. The analytical chemistry process is used with gases that won't decompose when vaporized. Gas chromatography are used in …
Nitro Beer Tastes Better

Nitro Beer Tastes Better

If you've ever remarked on the smooth creaminess of a pint of Guinness, you've picked up on the key difference in its carbonation: Nitrogen rather than carbon dioxide. …
The Benefits of Nitrogen and Carbon Dioxide for Food Processing

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A blend of gases -- carbon dioxide, oxygen, and nitrogen -- help preserve packaged food by reducing the amount of oxygen inside the sealed package. Gas flushing or …
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