Discussion Category:  CO2 Incubator

Incubator New Brunswick, Galaxy 14S

I think the control for CO2 intake on the motherboard is broken. I do not hear any clicking sound, which I presume to be some sort of valve closing/opening. Even after re-calibrating, the CO2 reading slowly increases over time from 5% to 15%. Re-calibration still indicates CO2 sensor is in range. If I shut off the CO2 gas cylinder, %CO2 drops. If I open the CO2 gas cylinder, %CO2 rises to about 15%. Any suggestions? Thanks
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Zarko
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