I am working with a large ring launcher and a capacitor bank that has the potential to charge up to 3000 volts in a bank of capacitors totaling 12,000 μF. I need to provide a sort of tap to measure the current capacitor bank voltage outside the circuit with a meter. First thought was a 10:1 voltage divider but I'm worried that might leak current and drain the caps too fast. A secondary concern, I'm not sure I could limit the current enough to bring that down to a safer level as well.
Is there a more efficient way to monitor the voltage with minimal leakage or would a voltage divider be the more correct solution? Is there way to give a safe voltage/current on a tap in either regard?