Testing CO₂ for cell culture

Question

I'm am refurbishing some old CO₂ incubators. I would like to test the precision of the CO₂ sensor. There is a sample port on this incubator.

What sorts of methods are commonly used to measure CO₂ in these incubators?

Strangely, the manufacturer of the incubator makes no recommendations.

I need to be able to report the measurement as a percentage.

I would presume calibrating it with a known gas concentrations is what they do at the factory. In my lab, the calibration is done by the servicing company. — March Ho, Aug 12 '15 at 12:14
Chemistry SE might be able to come up with a simple way get some known concentrations. — jzx, Aug 13 '15 at 10:21

rhill45 · Accepted Answer · 2015-08-15 00:37:25Z

1

Found this:

Probably what I need

answered Aug 15 '15 at 0:37

rhill45

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