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pH-Measurement

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Hello,

 

i'm a german student, using LabVIEW now, but at one point got stuck.

So, i'm using a PCI 6024e Card and a BNC 2120. LabVIEW Version, not sure, quite old, around 6.0 or 6.1 I guess.

Furthermore i got a pH-Sensor with an BNC connector-plug.

 

When i measure the voltage over that sensor, I get a relative high voltage and the voltage is permanent falling after some minutes.

 

Got someone an idea why the voltage isn't constant? Any idea what to check/improve?

I would also appreciate any advices of what hardware I could buy to get this project started.

 

Thanks

 

Regardful

G-rooon


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