That depends on, how exactly you need it. When you apply a DC voltage and measure the current, you will mainly see some effects like the double layer between the electrodes and the electrolye. AC Voltages circumvent that, and you will get a quite linear behaviour and can use that to determine the conductivity. However, that measurement will be slightly depending on the frenquency of your ac voltage, so you wont get an absolute value, but i'm uncertain how to measure it more precisely without alot of effort, which means determine the values of all double layers etc.

Electrochemical impedance spectroscopy is the best option to evaluate the electrolyte conductivity. The first point (usually at 100 kHz) demonstrates the electrolyte resistance (real Impedance) which can convert it to conductivity. It is advisable to use standard cells (constant distance from reference electrode to working electrode).

Thank you sajjad Bordbar. Can you please explain in detail and do you have any published paper regarding this topic if available please send to me my email id is [email protected]

This calculation to be published soon