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Have bought a new Ph sensor and cannot calibrate.
Takes too long and ADC1 and ADC2 are unstable.

Is there a difference between standard patch cables and PAB cables.

Hello
Yes, I tried to calibrate with both liquids in the correct order. I have a profilux 3 that has calibrated many times so I'm not quite a beginner.
The problem is that the value is static and...

Prople with the ph sensor

I have bought a profilux 4 and do not get the ph value to work.
It says either ph3.00 or 10.50. Have tried to calibrate but get along calib.val.diffe.to.small.
Has...