Quote Originally Posted by Thilo View Post
Hi,

because of your tests, it seems that the port is faulty. You could additionally check if the Redox probe is working if connected to the pH port with measurement range changed to Redox.

I assume that this will work. Please create a Ticket for complaint processing.
Hi Thilo,

I have just done the additional test that I switch the original pH port to Redox and use the Redox Probe for it. The reading is just fine, with reading when dip into calibration liquid equals to 220mV. So we have the conclusion that the original Redox port is faulty.

Regards,