FIELD: chemical engineering. SUBSTANCE: analyzer has carrying tube with flange. Thermostat is installed on one end face of tube, and connecting assembly is positioned on the opposite end face. Thermostat houses circular chamber, sensitive element with solid electrolyte, standard and measuring electrodes, current taps and gas vents. Thermocouple, current taps and test gas delivery tube are mounted in circular chamber, in measuring electrode zone. Circular chamber has slots to secure insulator with projections and two channels through which extension wires connected in pairs to current taps are led out. Thermostat has covers. Sensitive element is secured by gas-delivery tubes in one of the covers. Connecting assembly is combined with flange and with recesses in which seals and insulators are installed. L-shaped gas-delivery channels are positioned in connecting assembly body. EFFECT: more effective check and control process. 4 cl, 3 dwg
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