Bipolar Voltage Measurement Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. Schematic of Circuit and Method of Build Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. 2 Channel High Voltage Oscilloscope Probe. Results Using a Neon Sign Transformer Seen above my test bench with the Neon Sign Transformer (NST) and USB oscilloscope among other unused devices. Internal schematic of a common NST Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.