Hypoxia-Related Research

Hypoxia-Related Research Applications


Environics units are a powerful tool in hypoxia related research.  Scientists have successfully used the ROBD2 (Licensed from U.S. Navy under U.S. Patent Application No. 10/959.764) as well as custom Blended Gas On Demand systems (such as the ReDO2) to examine hypoxia itself as well as how placing someone in a hypoxic state could be a useful diagnostic tool clinically.

To see some recent research topics that have appeared in peer-reviewed publications, including a recent study entitled, "Uncovering Latent Deficits Due to Mild Traumatic Brain Injury by Using Normobaric Hypoxia Stress" and a review of the potential use of the ROBD2 to evaluate the need for supplmental oxygen in flight for at risk commercial plane passengers, see our research applications page.

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Another customized variation, the RODD, was designed to determine if fighter pilots could fly shortly after Lasik eye surgery.  Using a variable oxygen concentration, testing was done with mannikins with one eye socket containing an O2 sensor and the other housing a hygrometer probe (see image). In addition to testing reduced oxygen, the system had a humidifier to test subjects with and without humidity.

The systems enables the operator to adjust the delivered oxygen content from 21% oxygen down to 4.4% or anywhere within that range.  The system has an integrated pulse oximeter and oxygen analyzer as well as an emergency oxygen dump switch for delivery of 100% oxygen.  Customization of our systems is always possible.


Flexibility:  Environics’ systems automatically blend and dilute gases to generate precise oxygen concentrations.  The oxygen level can be varied in response to your commands anwhere from 21% down to 4.4%. 


Accuracy: Our gas mixing technology is based on very precise control of thermal mass flow controllers. Normally, thermal mass flow controllers offer an accuracy +/- 1% of full-scale flow. However, when combined with Environics computerization and calibration, this accuracy specification is improved to +/- 1% of setpoint. The Full-scale error vs. Setpoint error document shows the 10x improvement in accuracy of a thermal mass flow controller when using Environics controlling technology.

Repeatability:  Our systems have a repeatability of +/-0.05% of full scale.

Custom Systems: We have thousands of systems in the field and have developed an extensive library of applications and solutions to meet our customers' needs.  Other optional features, such as audible/visual alarms, are available to best suit your needs.  Contact us for more information.

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