High Voltage Test

23 07 2009

Moment of truth today. Tested out the Glassman power-supply. On the bottom is the Glassman, on the top is the high voltage interconnect, the voltage divider, the ground clip, and a voltage meter.
IMG_3826

Pretty simple circuit. Here is the schematic for the voltage divider.
IMG_3822

When we fire it all the way up we see it metering at 9.97 Volts, which puts the potential at the high voltage very close to +10kV:

IMG_3839

So the power supply works, and we’ve had our first excursion with high voltage. We can measure high voltage at least with crude accuracy. I know that as I progress with this project measuring voltages and currents accurately will be a key skill.

So the last piece of the puzzle. According to the label this Glassman is +/- 10kV :

IMG_3851

Currently it’s set to a positive potential… we need negative. There is no front panel switch to reverse the polarity. I hope there is some in the box way to switch to a negative potential.

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