Hello,
I have a question, I set up my ProfiLux 4 today. After calibrating my Redox Sensor it read 1000, then within 5 min it went to -1000. I tried to recalibrate it again and the same thing happen. Does anyone know how to fix this issue? Thank you.
I have a question, I set up my ProfiLux 4 today. After calibrating my Redox Sensor it read 1000, then within 5 min it went to -1000. I tried to recalibrate it again and the same thing happen. Does anyone know how to fix this issue? Thank you.

