New White Paper: Non-Dispersive Infra-Red (NDIR) Sensors – Theory of Operation
This latest whitepaper from Gas Sensing explores different sensor measurement methods, how the Beer-Lambert Law is derived, and how it can be used to implement a real-world sensor.
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State-of-The-Art Mid-IR LEDs from Gas Sensing Solutions
At the heart of all GSS NDIR gas sensors are mid-IR LEDs, manufactured in-house on our molecular beam epitaxy machines. This unique capability allows GSS to tailor the LED characteristics to optimise their performance for each product family.
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Medical, Healthcare, Capnography and Life Science CO₂ Gas Sensing
Solid-state mid-IR LEDs at the heart of all GSS sensors enable high-speed real time measurement of CO₂ levels. Our sensor solutions are optimised to deliver uncompromised performance in demanding clinical environments.
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World Leaders in Solid-State Gas Measurement Sensors
Unique ultra low power CO₂ and methane sensors, and high-speed CO₂ sensors based on solid-state mid-IR LEDs. Incorporating patented technology, GSS gas sensors are designed for demanding high performance gas measurement applications.
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Gas Sensing Solutions ltd Engineer with a laptop checking CO2 and methane NDIR sensors using equipment in lab
Global Team of Industry Experts with Unparalleled In-Depth Knowledge of Gas Measurement Sensors.
A family of gas sensors delivering low power, small size, and superior performance. Connect with us or our authorised third-party sales representatives and our distributors for design questions or pricing requests.
The broadest range of sensors from an industry leader.
Man opening ceiling air vent to replace dirty HVAC air filter.  air duct system maintenance for clean air with GSS sensor.
Air Quality Gas Sensors

Ultra low power ambient CO₂ sensors enable air quality gas sensors to run for years on battery power alone.

laboratory researcher using an incubator in life science application. Worker is introducing a cell culture flask into an incubator
Life Science

CO₂ sensors for incubators and a variety of other life science applications come with several options that allow them to be optimised for the installation. 

Storage of oil and petrochemical products which can benefit from industrial gas sensors and industrial co2 monitoring systems
Industrial Safety Sensors

Using solid-state LED technology, sensors will last a lifetime in hostile environments. CO₂ sensors span measurement ranges from 2,000ppm to 100% in flexible and miniature form factors.


The International Space Station orbiting planet Earth. GSS sensors have been used for various applications on the International Space Station
Gas Detection for Hostile Environments

Our sensors for CO₂ measurement have been into space, used to protect workers in safety-critical roles or to maximise yield in greenhouses. GSS sensors are relied upon to deliver exacting performance in the most stringent conditions.

growing techniques of young plants in a greenhouse can be improved by monitoring levels of carbon dioxide using CO2 sensors
Creating Optimal CO₂ Sensor Technology to Achieve Best Results.

GSS sensor technology is well matched to the emerging requirements of next-generation CO₂ measurement applications.  As well as offering an extensive range of standard products with the ability to analyse CO₂ levels with unmatched fidelity, the engineering team will develop custom sensors to tackle problems that need something special.

From simple mechanical modifications to wholesale re-engineering of the sensor, GSS can leverage an extensive array of in-house technologies to address demanding applications that are not well served by off-the-shelf solutions.

Man on excersize bike wearing breathing mask to monitor levels of carbon dioxide in his breath using capanography
NDIR Sensors Delivering Accurate CO₂ Morphology Requires an In-Depth Understanding of How the Waveform Shape Evolves.
GSS SprintIR® sensors are specifically designed for high-speed sampling of CO₂ gas and can resolve spatial frequency components with sufficient resolution to support patient monitoring and diagnosis applications.