Gas analyzer automated purge/zero process

Measuring and testing – Instrument proving or calibrating – Gas or liquid analyzer

Reexamination Certificate

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C073S023210

Reexamination Certificate

active

07043958

ABSTRACT:
An apparatus and method for purging and zeroing an analyzer. At times, for good analysis of a gas sample or taking a live reading, the analyzer needs to be zero out and/or purge of contaminants. The analyzer can take a live reading, purge and/or zero in any order. The purge function and zero function can automatically be done before, during or after taking a live reading.

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patent: 2003/0136176 (2003-07-01), Ruiz
“Gas-Sentry Detector Operation and Calibration Manual”, Bascom-Turner Instruments, Aug. 1999.

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