DEVICE OF EXPRESS ANALYSIS OF IMPURITY GASES IN ATMOSPHERE Russian patent published in 2018 - IPC G01N27/12 

FIELD: measuring equipment.

SUBSTANCE: device is made of a set of controllers that are posted on the area of the study region, each controller contains several different types of gas sensors with electronic circuit consisting of a voltage stabiliser, heating current stabiliser, bridge circuit, in one of the shoulders of which sensor is included, measuring diagonal of bridge circuit via the channel switch is alternately connected to measuring tract input from series-connected operational amplifier, analogue-to-digital converter, buffer storage, comparing circuit, connected with programmable circuit of measurements sample, timing operation of elements by laying in it telecommunication programs from PECM consisting of: processor, working storage, hard disk, display, printer, keyboard.

EFFECT: invention provides promptness, reliability, accuracy of measurements, visualization of the form of express analysis.

5 dwg