FIELD: portable gas analyzers intended to test content of deleterious impurities in atmosphere. SUBSTANCE: given photoionization gas analyzer has ionization chamber with lines to feed and discharge analyzed gas, source of ultraviolet radiation for ionization chamber and flow rate agitator which is supplemented in accordance with invention with fixture converting ozone to nontoxic substances that is installed in line for discharge of analyzed gas across inlet or outlet of flow rate agitator. EFFECT: prevention of risk of emergence of ozone with concentration exceeding maximum permissible value across outlet of gas analyzer. 4 cl, 2 dwg
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