There are many meters and ways to measure water conductivity. Once you have a reading with one meter, that reading is easily converted to reading in any other measurement system.
https://www.lenntech.com/calculators/conductivity/tds_engels.htm
There are many meters and ways to measure water conductivity. Once you have a reading with one meter, that reading is easily converted to reading in any other measurement system.
https://www.lenntech.com/calculators/conductivity/tds_engels.htm