FIELD: security facilities.
SUBSTANCE: invention relates to industrial safety. System of constant monitoring of concentration of hydrocarbon vapors of oil and petroleum products in the air of the working area during fire and gas hazardous operations includes a mobile gas analyzer, control and management unit and radio command execution unit. Control and management unit comprises a receiving/transmitting unit, light or sound alarms and information processing unit. Mobile gas analyzer includes a measuring unit, information processing unit, reception/transmission unit, audio or light signaling means. Measuring unit contains two sampling channels, each of which includes a measuring channel based on the photoionization measurement principle, and measuring channel made on the basis of the optical absorption principle of measurements in an infrared region of optical spectrum. Radio command execution unit includes a receiving/transmitting unit and a power-off/on unit.
EFFECT: extended range of instruments is provided.
1 cl, 2 dwg
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