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| {{Technical support}} | | {{Technical support integrated}} |
| | | {{#set:Technical service=O2 sensor|Technical service=POS connector|Technical service=O2 signal|Technical service=Main unit|Technical service=Performance test}} |
| | | :» [[MiPNet06.03 POS-Calibration-SOP]] |
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| '''The O<sub>2</sub> sensor test is described as an [[OroboPOS]]''' standard operating procedure: '''Polarographic oxygen sensors: calibration, accuracy and quality control SOP.''' »[[MiPNet06.03 POS-Calibration-SOP]]«
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| == When should an O2-sensor test be performed? ==
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| * After switching on the O2k, every day: air calibration and stirrer test.
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| * Zero oxygen calibration: from time to time over weeks; bracketing zero oxygen calibrations when working at low oxygen.
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| * After application of a new membrane and O2-sensor service: In some cases, the signal of the OroboPOS improves (higher signal stability, less noise, shorter response time), when the O2k remains switched on over night (O2k-Chambers filled with 70% EtOH).
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| * During troubleshooting, particularly when [[switching components]] between the two chambers, a quick sensor test is performed after each step (stirrer test, sensor signal).
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| == The main criteria for sensor performance ==
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| * [[Raw signal at air saturation]]
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| * [[Zero current |Raw signal at zero oxygen]]
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| * [[Signal stability]]: drift and noise
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| * [[Response time of the POS]]
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| [[Category:Technical service]]
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| {{#set:Technical service=O2 sensor|Technical service=POS connector|Technical service=O2 signal|Technical service=Main unit|Technical service=Performance test}} | |
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