During calibration of a Clark polarographic O₂ analyzer, you cannot get the sensor to read 100% when exposed to 100% O₂, even after adjusting its calibration control. The unit has new batteries. Which of the following actions would be correct? A) Use it only with low FiO₂ values. B) Send the device out for repair. C) Replace the unit's batteries. D) Change the sensor or electrode.

Question

Quizplus · Accepted Answer

If the analyzer still does not calibrate on fresh batteries, the problem is probably a depleted sensor. With most analyzers, a depleted sensor must be replaced (some Clark electrodes can be recharged).

During Calibration of a Clark Polarographic O2 Analyzer, You Cannot

During Calibration of a Clark Polarographic O₂ Analyzer, You Cannot