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Gas detection for garages

Cars run on different types of fuel. Modern trends in alternative vehicle propulsions must therefore also reflect the equipment of parking and underground garages. There are a large number of people present in the underground garages, and at the same time running cars exhaust toxic gases. It is therefore necessary to protect ourselves from the danger of poisoning. The most important elements that we monitor when measuring emissions are carbon monoxide (CO), unburned hydrocarbons (HC), nitrogen oxides (NOx) and carbon black (PM). To maintain a safe environment, the garage must be equipped with ventilation and a detection system. When permitting cars with alternative propulsions to enter the underground garage, the appropriate detection and ventilation system must also be present.

Carbon monoxide detection

Carbon monoxide is a colorless, tasteless and odorless gas, non-irritating. It is lighter than air, but can mix with it. It is caused by incomplete combustion.

Please check your local norms for the maximum limits of toxic gases.

Due to the high pressure on the ecology of cars, the amount of pollutants emitted from cars is decreasing. The current composition of vehicles is different, emissions of petrol engines are significantly lower than before. Nitrogen oxides have similar effects to carbon monoxide, affecting the lungs and mucous membranes. They are formed in the engine at high temperatures and pressures during combustion with an excessive excess of oxygen. Some of the nitrogen oxides are harmful to health. Measures to reduce fuel consumption can lead to an increase in nitrogen oxides in the exhaust gases. The European standard EN 50 545-1 regulates three monitored levels of CO, NO2 and NO concentrations.


Level 1

Level 2

Level 3













Following European standards Evikon detection systems can be used. Several elements need to be used to create a functional detection system. The basic element is the target gas concentration sensor itself. Individual sensors or combined sensors can be used. Information on the current concentration of individual sensors is processed by a suitable control panel, which gives a signal to the operator, starts operational, fire and emergency ventilation. Last but not least, people in the garage are informed of the danger. We offer a siren and light warning signs as additional elements of the system.

Detection system according to EN 50 545-1 - 4-level detection

CO concentration sensor: E2618-CO

NO2 concentration sensor: E2618-NO2

Combined sensor E2660-CO-NO2-RP3