OPA wiring To Scope EHD V 100K 10K

EHD Shaker shaft OPA Wire from OUT-A to the scope through BNC port Wire connecting the ground on the PCB to the housing Wire connecting the ground on the PCB to the housing. When disconnected the OPA output goes from saturation to zero Wire from OUT-A to the scope through BNC port EHD Shaker shaft Below the floor there is another box where the shaker is. There is a small slit at the floor that connects the shaker to the shaker shaft that holds the EHD The box can be closed