Internally calibrated oxygen sensor, method and system

Details Internally calibrated oxygen sensor, method and system Internally calibrated oxygen sensor, method and system

G - Physics

01

N

G01N 27/00 (2006.01) G01N 27/407 (2006.01)

Patent

CA 2273521

A zirconium oxide shell forms a chamber of fixed volume, and a controller monitors voltage across the shell indicative of the difference between inside and outside oxygen levels, applying a signal to pump oxygen. Integrated pump current yields a measure of the oxygen added to or removed from the chamber. The sensor material is a mixture of about 91% zirconium oxide and 9% yitrium oxide, with porous electrodes on each surface. The controller may apply a sequence of current pulses, checking the Nernst cell output indicative of .DELTA.P across the wall, until .DELTA..P=0. Positive and negative pulses may be tallied in a running sum to determine the present reading. The processor adds the present differential as a correction to the last stored reading to provide the oxygen level as an immediate output.

Affiliated with

Also associated with

Rating

Internally calibrated oxygen sensor, method and system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Internally calibrated oxygen sensor, method and system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Internally calibrated oxygen sensor, method and system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1825245