| 摘要 |
The invention relates to area of analytical measurement of gas concentration mostly under conditions of high dust pollution of gas mix being analyzed and can be used for measurement of concentration of the most widespread pollutants (CO, CO2, CH4, NO) present in composition of worked-out gases of transportation means, mine atmosphere of coal mines and atmosphere of industrial enterprises, power units and in systems of ecological monitoring. Device for measurement of concentration of gases that includes two sources of radiation, two measuring cuvettes, two detectors of optical radiation with amplifiers, at that detectors with amplifiers are connected with functional transformers, two functional transformers, control block and computing block to output of which blocks of indication and registration are connected, and digital communication channel to system of aero-gas protection of coal mines and industrial enterprises. Device is additionally equipped with quasi-open filters that are installed in measuring cuvettes and optical detectors through amplifiers and functional transformers are connected to analog-digital transformers through switch of analog signals, at that the analog switch is connected to control block, and analog-digital transformer is connected to computer block and control block. |
