I don't really understand why there is a need to use the shield.
I suggest doing a little research on the glass electrodes used in ph probes. They output a very small voltage in the mV range. So the signal must be amplified and filtered.
I don't really understand why there is a need to use the shield.
I suggest doing a little research on the glass electrodes used in ph probes. They output a very small voltage in the mV range. So the signal must be amplified and filtered.