Please i need the Calibration and mode of operation of a E201-C pH electrode, its very urgent, I've searched everywhere on the internet but cant get anything close. I need its calibration and mode of operation, it doesn't seem to be delivering any voltage signal when inserted into a solution. Thanks in anticipation.
Do you know that that circuit works? Do you have an actual meter to test your probe with? Is the solution you are testing a known value or is it just plain water? Water should be OK, but if that doesn't work, add a little table salt to it.
From what I could tell, your probe is no different than typical probes. Here's a YouTube on how to calibrate: