sensors probe life

[Himat]

hi

how do you know when the probes are at their end of life,
eg : PH ,Conductivity S, redox,

Himat

[Coralleida]

It's difficult so say the life of each sensor. It depends on the location, water, etc.

When ProfiLux takes too much time to calibrate it or you have to increase the tolerance value, it means it's time to change it.

Some people change them every year