240 Rue Louis de Broglie

13100 Aix-en-Provence


+33 442 526239

Halle 1 Stand 1-644


Founded in 2013, Olythe is a manufacturer of NDIR (non-dispersive infrared) gas sensors, which use advanced technology to allow for highly accurate gas detection in the air. This technology offers numerous advantages over traditional detection methods, including durability, sensitivity, speed, and reliability.

Olythe's NDIR gas sensors are designed for industrial applications where precise gas detection is essential to controlling indoor and outdoor air quality. For example, these gas sensors allow for highly accurate detection of toxic and combustible gases, ensuring worker safety and environmental protection. These sensors can be used to detect gas leaks, which is particularly important in the oil, gas, and mining industries to prevent explosions and fires. Thanks to their NDIR technology, these sensors can accurately detect toxic and combustible gases such as methane and carbon dioxide.

Olythe's gas sensors can also be used in agriculture to monitor gas levels such as carbon dioxide and methane in livestock buildings, greenhouses, and waste treatment facilities. This accurate monitoring of gas levels is essential to ensure the health and well-being of animals and plants, as well as to prevent greenhouse gas emissions.

With its expertise and commitment to innovation, Olythe is well-positioned to meet the evolving needs of the gas measurement market by providing advanced and reliable gas detection solutions for a wide variety of industrial applications.

OUR PRODUCTS : OCIEngine & OCIEngine PRO sensors (all details here :

Years of R&D have been invested in developing, mastering, adapting and miniaturizing infrared spectrometry technology. It results into a compact design that is easy to integrate. This technology provides ultra-reliable and accurate gas measurements.
OCIEngine PRO is an infrared spectrometer that measures Volatile Organic Compounds (VOC) in the air. It is specific to analyse a molecule of interest.
The measuring chamber of the sensor is crossed by infrared radiation. When the air is introduced into this chamber, the molecules of interest absorb a part of the radiation, which reduces the intensity of the optical signal. The concentration of the gas can therefore be deduced according to the Beer-Lambert’s physical law.

Detected gases : ethanol, carbone dioxide and monoxide, acetone, methane and nitrous oxide.
Find all our sensors on our website :


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