The measuring system starts at the terminals of the test object
and comprises a connecting lead 4 to the voltage divider 5, and a recording
instrument 7, whose signal or measuring cable 6 is placed between its input
terminals and the bottom or l.v. part of the divider. The appropriate ground
return 8 should assure no significant voltage drops for even highly transient
phenomena and keep the ground potential to earth as close as possible.