"Boomer" wrote in message ...
The probes are cheap, it is the meter that is expensive. Go here for a look :-)

www.coleparmer.com

Type in Conductivity in the search window. The click on Conductivity ,
then Portable Meters

Do not understand these prices... Why is it so expensive? )
The only reason which I could guess is "not mass produced".
There is less electronics in this kind of meter than in
a $20 multimeter from Walmart... What a strange world )
I need to make this kind of meter myself :-))