GAS-ANALYSIS DEVICE Russian patent published in 1997 - IPC

FIELD: analytical methods. SUBSTANCE: invention concerns gas-analysis devices with electrochemical cells on solid electrolyte for monitoring and controlling all-type fuel combustion. Device contains bearing tube, solid-electrolyte cell coupled with metal holder having expander on its end, heating cartridge, and insulated current-supply cables. Cell is connected with holder on the side of its narrowed end, whereas expanded part of holder is located beyond heating cartridge and is provided with small bottom with reference gas inlet and outlet pipes. Expanded part of holder may also be partitioned to prevent mixing gas streams being introduced and withdrawn. EFFECT: improved design. 3 cl, 7 dwg