GAS ANALYZER Russian patent published in 1995 - IPC

FIELD: instrumentation. SUBSTANCE: gas analyzer has source 1 of light radiation, capacitor 2, dish 3 for gas mixture, modulator 4 with light filters of working 5 (within region of maximum absorption of radiation by analyzed component of gas mixture) and reference 6 in absence of absorption) channels, focusing lens 7, radiation detector 8 with preamplifier installed in succession as well as first 9 and second 10 units for retrieval and storage, former 11 of synchronization pulses, sensor 12 of position of light filters, source 13 of reference voltage, former 14 of thermal compensation signal, adder 16, information processing unit 16 and indicator 17. EFFECT: enhanced operational efficiency and reliability. 1 dwg