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A reliable control of O2 is essential for cultivating cells (proliferation and metabolism of stem cells) and microorganisms with low/no oxygen demand. The O2 controller reduces the O2 level from ambient (20.95% at dry air; normoxia) to approximately 0% O2 (hypoxic). A digital PID controller adjusts the N2 flow rate to maintain the desired O2 value.
O2 sensor | zirconium oxide |
Measuring range | approximately 0% up to ambient O2 (20.95% at dry air) |
Accuracy, absolute | ±0.40% at 5% O2 |
O2 sensor stability | ±0.5% full scale/year |
Setting, digital | ± 0.1% |
O2 control | PID, digital |
Temperature range | -10...80°C |
N2-supply | max. 0.5...0.8 bar overpressure |
Technical data subject to change | |
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