Quote Originally Posted by JayHoe View Post
I must have missed that. My soultion above just seems to slow the problem, so I've come back. What is the best email address to use please Matthias?
Hi Jay - have a look at this, was posted on one of the prior pages in this thread.

Quote Originally Posted by Matthias View Post
the electronic circuit of the conductivity probe port is identical to the P3 and the expansion cards (there was no need to change a perfectly working system), I have problems to understand why the P4 should behave then different

but we are aware that here is a problem for some users and believe me, we want to solve this as soon as possible

we have to consider all possible options, even a bad batch of probes (although the manufacturer already said he doesn't believe this)

-> I think here helps only direct personal support


To all customers with this conductivity-issue

please contact us directly and let us go from there:

USA: info@ghlusa.com

all other regions: info@ghl-kl.de