Method of applying an automotive type oxygen sensor for use in a

Chemistry: analytical and immunological testing – Oxygen containing – Molecular oxygen

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436143, 436149, 436151, 436155, 422 94, 422 95, 422 98, 204408, 204425, 20415318, 338 34, G01N 2500

Patent

active

050377612

ABSTRACT:
An industrial process oxygen analyzer, and method of using same, incorporates an automotive oxygen sensor to minimize the criticalness of controlling heater temperature during operation. Higher sensor heater temperature, required to accommodate the automotive oxygen sensor, is achieved by application of higher supply voltage to the sensor heater. Current limiting of the heater supply circuit reduces stress on the sensor heater, even at the higher operating temperature.

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