Before analysis of oxygen percentage,the analyzer should be calibrated to which percentage?
A) 21%
B) 50%
C) 100%
D) a and c

Question

Quizplus · Accepted Answer

Calibrate the oxygen analyzer at a)21% or room air.Following this,b)calibrate the analyzer at 100% by immersing the sensor into a reservoir of 100% oxygen.After calibrating the analyzer at 100%,return the sensor to room air.The reading should stabilize back to 21% within 1 minute.

Before Analysis of Oxygen Percentage,the Analyzer Should Be Calibrated to Which