Gas analyzer and method of calibrating said gas analyzer

Details Gas analyzer and method of calibrating said gas analyzer Gas analyzer and method of calibrating said gas analyzer

1997-05-27

1998-07-14

Raevis, Robert

Measuring and testing

Instrument proving or calibrating

Gas or liquid analyzer

205781, G01N 27409

Patent

active

057807108

ABSTRACT:
A gas analyzer includes a gas sensor, a drive section that pumps oxygen in first to third processing zones of the gas sensor, an operating section that operates a pumping current flowing in a third electro-chemical pump cell into a gas value to be measured, a display output section that displays a value operated by the operating section, or outputs the value as an electrical output to the external, and a heater drive section that heats the gas sensor to a predetermined temperature.

REFERENCES:
patent: 4981125 (1991-01-01), Kato et al.
patent: 5397442 (1995-03-01), Wachsman

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