Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1990-01-22
1994-07-19
Alexander, Lyle A.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
73 232, 73 2331, 204408, G01N 2500
Patent
active
053307194
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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patent: 4663017 (1987-05-01), Ross
Barnett Daniel C.
Fry John J.
Hall, II George R.
Ross David F.
Smith Robert A.
Alexander Lyle A.
Collins Laura E.
Elsag International B.V.
Matas Vytas R.
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