Проверка кислородного концентратора на дому

How to perform a basic check and possibly resolve an oxygen concentrator alarm at home. If your oxygen concentrator is displaying an error, you can follow the steps shown in the video before contacting a service center. It also shows how to check whether the concentrator is outputting oxygen at a concentration higher than that found in the air or just air (especially relevant for models without a built-in gas analyzer). Important: Follow all steps carefully, as shown in the video. The author is not responsible for any consequences associated with using the testing method shown in the video. The exact oxygen concentration at the concentrator's output can only be determined using a specialized device.