FIELD: check of harmful substances contained in air. SUBSTANCE: laser gas analyzer has laser gaseous-discharge tube, beam former manufactured in the form of diffraction grating on piezocorrector which are positioned in tangential unit coupled to stepping motor, optico-acoustic cell, bench mark dish, measuring and background microphone and two pyrotechnical pickups connected via analog-to-digital converter and matching unit to input of personal computer. EFFECT: enhanced functional efficiency. 1 dwg
