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| ::: [[Zero calibration]] has been accessed more than | | ::: [[Zero calibration]] has been accessed more than |
| ::::* 5,000 times (2019-12-16) | | ::::* 5,000 times (2019-12-16) |
| == High zero current ==
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| :::: In order to localize the problem, the following test should be performed:
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| :::[[File:High zero current test 2.png|1000px]]
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| ::::*Note: Before sending us the O2k or any spare components, please contact us via our O2k-Open Support system: [[O2k-Open Support]]
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| :::::References:
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| ::::::[1] [https://wiki.oroboros.at/index.php/OroboPOS-Connector_MitoPedia#Cleaning_the_electrical_connections Cleaning the electrical connections]
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| ::::::[2] [[MiPNet19.18B POS-service]]
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| ::::::[3] [[MiPNet06.03 POS-calibration-SOP]]
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| ::::::[4] [[MiPNet14.06 Instrumental O2 background]]
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| ::: '''Example:'''
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| ::::[[File:High zero current good example.png|600px]]
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| ::::[[File:High zero current test bad exmaple.png|600px]]
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| ::::'''Figure 1.''' High zero current test. Upper panel: Zero current is in the range of ±0.00099 V. Lower panel: Zero current is higher than 0.00099 V when the OroboPOS-Connector is connected to the O2k-Main unit and when the OroboPOS is connected to the OroboPOS-Connector, which means that both the OroboPOS-Connector and OroboPOS have electrical problems. First, the OroboPOS-Connector and the POS were disassembled and disconnected from the main unit. Second, the OroboPOS-Connector was connected to the O2k-Main unit without the OroboPOS. Third, the OroboPOS was connected to the OroboPOS-Connector without membranes. After each step, the O<sub>2</sub> raw signal [V] was recorded for 10 min. The marks were set to the O<sub>2</sub> raw signal [V] to evaluate the zero current.
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