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IR Multi-Gas Sensor NDIR Module

Infrared multi gas sensors are based on the principle of non-dispersive infrared spectroscopy (NDIR). 

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The multi gas sensor

The multi gas sensor uses light of a specific wavelength in the infrared range to illuminate the sample depending on the type of gas to be analyzed. It measures the absorption of light when crossing the sample chamber and indicates the concentration of the gas in the sample chamber. A chemical reaction does not take place in the process, so our multi gas sensors have a long service life and remain stable over the long term. 

The measurement of up to three gases in a single sensor considerably reduces cross-sensitivities (which are otherwise commonplace) not only by adeptly selecting the IR wavelengths, but also via algorithmic incorporation of all measurement channels. Three gases can be combined freely depending on the requirements. CO carbon monoxide, CO2 carbon dioxide, CH4 methane, C2H2 acetylene, C2H4 ethylene or C2H6 ethane are available right now.

The measurement precisions that can be achieved depend on the respective gas combination and the measurement ranges, and can be optimized for the application at hand by suitable calibration.

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More about IR Multi-Gas Sensor NDIR Module

NDIR Gas Sensors

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Can I use an NDIR gas sensor?

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How works NDIR gas measurement?

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How does the multi-gas sensor reduce cross-sensitivities?

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Can I get an OEM version of the multi gas sensor?

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OEM customer / projects

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Are there other measurement techniques for gases?

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